Nexent is a zero-code platform for auto-generating production-grade AI agents using Harness Engineering principles — unified tools, skills, memory, and orchestration with built-in constraints, feedback loops, and control planes.
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feature: Enhance agent context management with compression and metrics logging (#2875) * docs: Add design spec for doc-qa-agent MVP Defines architecture, data flow, file layout, and acceptance criteria for a standalone document Q&A agent built on the Nexent SDK. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com> * agent context * context management for agent * agent context * Added get_or_create_context_manager, clear_conversation_context_manager, reference counting in register_agent_run/unregister_agent_run * Modified prepare_agent_run to mount CM, and stop_agent_tasks analysis (though we didn't modify it, we analyzed it) * Added cleanup in delete_conversation_service * Added context_manager field to AgentRunInfo * Modified agent_run_thread to reuse CM * add compress_if_needed and quantitative collection * reuse context_manager; extract and log token usage per step * add TokenUsage for message to facilitate displaying token usage * main code for context compression * add test multi run to understand previous run and current run * token usage metrics log * using sdk to conduct end-to-end test for anget_context.py * reusable functions for testing agent_context * fix bug: reuse cache and calc effective tokens * from utils.token_estimation import msg_token_count * estimate token * Add test_agent_context unit tests * update agent_context * ♻️ Refactor agent_context module for code quality compliance - Split agent_context.py into smaller modules: summary_cache.py, summary_config.py - Convert all Chinese comments/docstrings to English (per .cursor/rules/english_comments.mdc) - Add module-level docstrings for public API documentation - Update __init__.py exports to include new module classes - Convert test files' Chinese comments to English for compliance - Default summary prompts to English with proper documentation * 🔄 Merge feature/agent_context improvements into refactored codebase - Add context_manager_config field to AgentConfig - Create ContextManagerConfig in create_agent_info - Enhanced step metrics with compression ratio and cache hit tracking - Add _render_steps_with_truncation for fallback truncation - Add cache hit logging (previous_cache_hit, current_cache_hit, stable_bypass) - Add cache_types to compression stats output - Simplify estimate_tokens to flat message list approach - Remove auto-clear ContextManager logic (keeps cache valid) - Stop tracking test scripts (keep locally) * 🧪 Fix test assertions to align with feature branch standards - Fix TestM13StepLocalLogCleared: cache hit is recorded in _step_local_log (count_after_second should be 1, not 0) - Update summary_json_schema: chars -> words for clearer units * 🔄 Merge feature/token_indicator: Add token usage indicator with real-time context metrics - Add TokenUsageIndicator component with circular progress visualization - Emit TOKEN_COUNT messages via observer for real-time frontend updates - Include step_number, input/output tokens, estimated context, and threshold - Preserve context manager and metrics logging from refactor/agent_context Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai> * Enhance agent context management with token compression logging and dynamic token threshold * fix: improve token usage tracking with stream_options and fallback estimation - Add stream_options to request usage info from streaming API - Handle empty choices in streaming chunks (usage-only chunks) - Add fallback token estimation when API doesn't return usage - Add None handling in msg_token_count and _extract_text_from_chat_message * chore: add *.log to gitignore to exclude runtime log files * Apply suggestion from @Copilot Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Apply suggestion from @Copilot Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * feat: make ContextManagerConfig.enabled configurable per agent and refactor for cognitive complexity - Add enable_context_manager field to AgentInfo database model (default False) - Update create_agent_config to read setting from agent_info instead of hardcoded True - Add field to API request models (backend and frontend) - Add database migration for new column - Refactor _trim_actions_to_budget to reduce cognitive complexity (19 -> 15) - Refactor _render_steps_with_truncation to reduce cognitive complexity (23 -> 15) * fix: pin greenlet<3.5.0 for aarch64 Linux compatibility greenlet 3.5.0 lacks wheels for ARM64 Linux (aarch64), causing CI failures. Pin to <3.5.0 to ensure compatible version (3.4.0) is resolved. * fix: update test mocks to support agent_context refactor - Add enable_context_manager attribute to MockAgent in test_agent_db.py - Add AgentRunInfo, agent_context, and agent_run_manager stubs in test_conversation_management_service.py - Add nexent.core.agents.agent_context stub in test_create_agent_info.py - Add smolagents.memory stub with AgentMemory/MemoryStep in SDK model tests - Update TokenCountTransformer tests to match new passthrough behavior - Update test_create_agent_config assertions to include context_manager_config parameter - Fix TaskStep/ActionStep mocks to use real classes for dataclass inheritance - Add proper package stubs for sdk.nexent.core.agents and utils modules * fix: update test_nexent_agent mocks for agent_run_with_observer - Add timing.duration attribute to mock action steps (implementation expects step_log.timing.duration) - Add step_number attribute to mock action steps - Import ANY from unittest.mock for flexible assertions - Update TOKEN_COUNT assertions to use ANY (implementation now sends JSON token data) - Fix test_agent_run_with_observer_with_none_duration: implementation now handles None gracefully (0.0) * fix: add context_manager and step_metrics to CoreAgent test mocks Implementation now accesses context_manager and step_metrics in _collect_step_metrics method. Tests need these attributes initialized to avoid AttributeError. --------- Co-authored-by: liudongfei <744532452@qq.com> Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com> Co-authored-by: Jinglong Wang <wangjinglong8@huawei.com> Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> | 4 个月前 | |
Feat: 新增引导指引用户使用nl2agent功能生成Agent (#3756) * refactor new agents * update atuo-save * update * update * 📝 Docs: Add NL2Agent capability design handoff * 📝 Docs: Refine NL2Agent development and merge plan * 📝 Docs: Detail NL2Agent phase one implementation * ✨ Feature: Add NL2Agent draft workflow * ✅ Test: Cover NL2Agent draft lifecycle * 🐛 Bugfix: Refine NL2Agent clarification flow * 📝 Docs: Detail NL2Agent phase two contracts * ✨ Feature: Add NL2Agent installed resource binding * ✅ Test: Cover NL2Agent resource binding lifecycle * 🐛 Bugfix: Refresh Agent resources after binding * 🚚 migrate NL2Agent workflow to newagents * 🐛 Bugfix: Synchronize Agent resource bindings * ✨ Feature: Complete NL2Agent prompt confirmation flow * 🐛 Bugfix: Enforce NL2Agent interactive card boundaries * ♻️ Refactor: Configure NL2Agent from existing drafts * 🐛 Bugfix: Prevent NL2Agent false completion answers * 🐛 Bugfix: Preserve NL2Agent system prompt context * 🐛 Bugfix: Refresh NL2Agent form after draft saves * 🐛 Bugfix: Prevent NL2Agent few-shot generation truncation * 🐛 Bugfix: Enforce atomic NL2Agent prompt generation * ♻️ Refactor: Replace NL2Agent final confirmation with summary * ✨ Feature: Focus updated NL2Agent config sections * 解决冲突 * update * 删除newagents * fix 前端build问题 * fix agent version publish ut * ♻️ Refactor: Isolate NL2Agent MCP service * fix ut * fix(benchmark): retain agent example config * 过滤is_user_selectable为false的tool * ♻️ Refactor: Use automatic NL2A tool prefixes * ✅ Test: Align skill instance error handling mocks * 1. 修复conversation stop时没有调用接口 2. 修复Agent配置页中,未选择模型时也可以调试 3. 修复删除agent之后,url没有变,会fetch已删除的agent信息 * 🐛 Bugfix: Restore skill file upload helper import * add ut * fix ut * 🐛 Bugfix: Bypass proxies for local MCP connections * 🐛 Bugfix: Defer NL2Agent scheduled task setup * ✨ Feature: Add NL2Agent conversational revisions * 1. 统一Agent配置页面的校验逻辑 2. 修复在问答页面,删除当前conversation的时候传递错误的conversation_id导致删除会话失败 3. 恢复在Agent配置页面的版本提示 4. 修复发现外部A2A Agent相关功能 5. 修复Nl2Agent在开启本地代理的情况下在调用本地mcp工具时超时 6. 修复导出智能体失败(因为新版本删除了business_description字段,在导出时这个字段却又是必填字段) * fix form input * 恢复文件修改 * 恢复文件修改 * fix ut * 1. 添加tour引导用户使用nl2agent功能 2. 修复偶现切换agent频繁调用api/tool/update导致卡死的问题 * 优化agent info接口的缓存机制,默认设置不缓存,确保数据的新鲜 * 修复无法修改是否发布为A2A Agent的问题 * 支持当用户导入智能体后,自动跳转到这个导入的智能体 * fix ut --------- Co-authored-by: RedShakespeare <silencess_m@qq.com> Co-authored-by: Cursor <cursoragent@cursor.com> | 8 天前 | |
📝 Update more documentations and add .env when deploying | 1 年前 | |
✨ Feature: System-level sandboxing is enabled by default. (#3782) * ✨ Feature: System-level sandboxing is enabled by default. * ✨ Feature: Configure the deployment pipeline to include sandbox and MCP image builds. | 6 天前 | |
📝 Update README badges | 11 个月前 | |
Bugfix: 支持在北向接口的run接口中返回conversation_created的chunk (#3793) * Refactor: 重构chat页面分页加载功能,默认加载30条 * Potential fix for pull request finding Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Bugfix: 支持在北向接口的run接口中返回conversation_created的chunk * add ut * Bugfix: Remove redundant field validation * Bugfix: Fix model name display in model selector dropdown * Bugfix: Prevent loading stale agent info when agent_id does not exist * Bugfix: update agent version when published * Bugfix: Resolve agent stop failure in debug mode(by adding run id) * fix ut --------- Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> | 4 天前 | |
Merge remote-tracking branch 'origin/develop' into develop | 4 天前 | |
fix: improve numeric knowledge retrieval ranking (#3621) * fix: prioritize exact numeric knowledge retrieval * fix: support full-width numeric retrieval * test: cover multimodal numeric retrieval * fix: simplify numeric retrieval weighting * style: simplify hybrid weight validation | 13 天前 | |
✨Feature: Agent配置重构&NL2Agent (#3726) * refactor new agents * update atuo-save * update * update * 📝 Docs: Add NL2Agent capability design handoff * 📝 Docs: Refine NL2Agent development and merge plan * 📝 Docs: Detail NL2Agent phase one implementation * ✨ Feature: Add NL2Agent draft workflow * ✅ Test: Cover NL2Agent draft lifecycle * 🐛 Bugfix: Refine NL2Agent clarification flow * 📝 Docs: Detail NL2Agent phase two contracts * ✨ Feature: Add NL2Agent installed resource binding * ✅ Test: Cover NL2Agent resource binding lifecycle * 🐛 Bugfix: Refresh Agent resources after binding * 🚚 migrate NL2Agent workflow to newagents * 🐛 Bugfix: Synchronize Agent resource bindings * ✨ Feature: Complete NL2Agent prompt confirmation flow * 🐛 Bugfix: Enforce NL2Agent interactive card boundaries * ♻️ Refactor: Configure NL2Agent from existing drafts * 🐛 Bugfix: Prevent NL2Agent false completion answers * 🐛 Bugfix: Preserve NL2Agent system prompt context * 🐛 Bugfix: Refresh NL2Agent form after draft saves * 🐛 Bugfix: Prevent NL2Agent few-shot generation truncation * 🐛 Bugfix: Enforce atomic NL2Agent prompt generation * ♻️ Refactor: Replace NL2Agent final confirmation with summary * ✨ Feature: Focus updated NL2Agent config sections * 解决冲突 * update * 删除newagents * fix 前端build问题 * fix agent version publish ut * ♻️ Refactor: Isolate NL2Agent MCP service * fix ut * fix(benchmark): retain agent example config * 过滤is_user_selectable为false的tool * ♻️ Refactor: Use automatic NL2A tool prefixes * ✅ Test: Align skill instance error handling mocks * 1. 修复conversation stop时没有调用接口 2. 修复Agent配置页中,未选择模型时也可以调试 3. 修复删除agent之后,url没有变,会fetch已删除的agent信息 * 🐛 Bugfix: Restore skill file upload helper import * add ut * fix ut * 🐛 Bugfix: Bypass proxies for local MCP connections --------- Co-authored-by: RedShakespeare <silencess_m@qq.com> | 11 天前 | |
Add prompt optimization to experimental | 11 个月前 | |
Bugfix: 支持在北向接口的run接口中返回conversation_created的chunk (#3793) * Refactor: 重构chat页面分页加载功能,默认加载30条 * Potential fix for pull request finding Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Bugfix: 支持在北向接口的run接口中返回conversation_created的chunk * add ut * Bugfix: Remove redundant field validation * Bugfix: Fix model name display in model selector dropdown * Bugfix: Prevent loading stale agent info when agent_id does not exist * Bugfix: update agent version when published * Bugfix: Resolve agent stop failure in debug mode(by adding run id) * fix ut --------- Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> | 4 天前 | |
feat: Add PathologyAI - 智能病理诊断助手 Create a new branch | 8 个月前 | |
✨ Feature: Supports the execution of SKILL scripts within a sandbox. (#3802) * ✨ Feature: Supports the execution of SKILL scripts within a sandbox. * ✨ Feature: Supports the execution of SKILL scripts within a sandbox. * ✨ Feature: Supports the execution of SKILL scripts within a sandbox. * ✨ Feature: Supports the execution of SKILL scripts within a sandbox. | 4 天前 | |
Bugfix: 支持在北向接口的run接口中返回conversation_created的chunk (#3793) * Refactor: 重构chat页面分页加载功能,默认加载30条 * Potential fix for pull request finding Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> * Bugfix: 支持在北向接口的run接口中返回conversation_created的chunk * add ut * Bugfix: Remove redundant field validation * Bugfix: Fix model name display in model selector dropdown * Bugfix: Prevent loading stale agent info when agent_id does not exist * Bugfix: update agent version when published * Bugfix: Resolve agent stop failure in debug mode(by adding run id) * fix ut --------- Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com> | 4 天前 | |
✨ Remove mem0 and support new memory architecture (#3497) * ✨ feat(context): Add fine-grained context management infrastructure (PR-0) Add foundational context management module under sdk/nexent/core/agents/context/ to support W8/W12/W13 workstreams for progressive component reduction, history projections, and unified context policy. Core components: - ContextItem: Fine-grained context unit with type, authority tier, and fidelity levels - ContextItemHandler: Pluggable handler interface for scoring and reducing context items - ItemHandlerRegistry: Registry mapping context item types to their handlers - 10 built-in handlers (system_prompt, tool, skill, memory, knowledge_base, etc.) - ContextProjector: Converts ContextComponent to ContextItem with proper authority/fidelity - Policy models: SelectionDecision, MemoryDecision for traceable policy decisions - ReductionResult: Immutable record of context reduction operations - Reason codes: 11 standardized codes for decision traceability Testing: - 77 unit tests covering all data models, handlers, and registry - All tests pass with 0.59s execution time This is infrastructure-only (no existing code modified) and provides the foundation for subsequent PRs implementing context projection, policy engines, and handlers. * feat(context): integrate ContextItem projection into ContextManager (PR-1) - Add use_context_items config field (default False for backward compatibility) - Add context_items field to ContextEvidence for traceability - Implement project_context_items() method in ContextManager - Integrate projection logic into assemble_final_context() - Store _source_component reference in metadata for semantic equivalence - Use component.to_messages() to produce formatted text (not JSON dumps) - Add 15 projection tests covering all 7 component types - Add 3 ManagedContextRuntime integration tests - Remove test __init__.py files to fix namespace collision All 112 tests pass. Oracle verified complete and correct. * feat(context): add DB history projection for ReAct process persistence (PR-2) Implement W12 DB History Projection to persist and reconstruct ReAct execution details from conversation history. Database layer: - Add 5 nullable columns: run_id, step_id, tool_call_id, event_time on conversation_message_t and conversation_message_unit_t - Add indexes on run_id and tool_call_id for query performance - Extend conversation_db.py with optional history projection params - Add get_message_units_by_run() and get_max_run_id_for_conversation() SDK layer: - Create HistoryProjector with dependency injection for DB queries - Support 3 projection modes: model_context, resume, chat - Produce HISTORY_TURN, TOOL_CALL_RESULT, WORKING_MEMORY ContextItems - Wire into ContextManager.use_context_items=True path via config Service layer: - Track run_id/step_id/tool_call_id/event_time in _stream_agent_chunks() - Pass tracking fields through save_message/save_message_unit wrappers - Compute run_id before message creation for proper persistence Tests: 21 new tests, 114 total context tests passing, zero regressions. * feat(context): close PR-2 acceptance gaps — production wiring + integration tests Production wiring: - Thread conversation_id through execution chain: agent_service → create_agent_run_info → AgentConfig → ManagedContextRuntime → assemble_final_context → HistoryProjector - Inject HistoryProjector into ContextManagerConfig before get_or_create_context_manager() so both run-scoped and conversation-scoped ContextManager paths receive it - use_context_items remains False by default (opt-in) Integration tests (7 new, 28 total): - TestChatProjectionCompleteness: unit type coverage, ordering, metadata, source_refs completeness - TestEndToEndIntegration: component + history projection → FinalContext, graceful failure handling, conversation_id gating 121 context tests + 28 HistoryProjector tests passing, zero regressions. * fix(context): resolve 3 activation blockers for use_context_items pipeline Blocker 0: Call register_all() in ContextManager.__init__ so ItemHandlerRegistry is populated before any projection occurs. Blocker 1: Add to_messages() method to ContextItemHandler base class with default implementation, plus type-specific overrides in HistoryTurnHandler, ToolCallResultHandler, and WorkingMemoryHandler. Blocker 2: Remove mock of ItemHandlerRegistry.get in integration test so the end-to-end path exercises real handlers. 198 tests passing (121 context agent + 77 context module), zero regressions. * fix(context): move register_all() to lazy initialization to avoid import regression Move register_all() call from ContextManager.__init__ to lazy initialization in project_context_items() to avoid breaking isolated test loading. Changes: - Remove register_all() from __init__ (line 301-302) - Add _ensure_handlers_registered() helper with idempotency flag - Call helper at start of project_context_items() - Handlers now register only when actually needed This fixes the 124-test regression caused by eager import in __init__ breaking test_agent_context/test_pure_functions.py isolated loading. All 254 context tests now pass (121 context + 77 module + 56 agent_context). * feat(context): add OpenTelemetry instrumentation to context module Add comprehensive OTel tracing to provide visibility into the context assembly pipeline: - ManagedContextRuntime: trace prepare_step() and prepare_final_answer() - ContextManager: trace assemble_final_context(), project_context_items(), compress_if_needed(), and _do_generate_summary() with nested LLM spans - HistoryProjector: trace project() with nested DB query spans All spans include relevant attributes (conversation_id, purpose, counts) and span events for key milestones. Backward compatible - spans are no-ops when monitoring is disabled. Testing: All 254 existing tests pass, no syntax errors. * fix(context): correct compress_if_needed span scope and improve project_items attributes Critical fix: - Move 'with self._lock:' block inside trace_operation context manager - Ensures all compression work (including LLM calls) is properly traced - Fixes broken parent-child span hierarchy for compression path Minor improvements: - Add component_count as span attribute to project_context_items - Remove unused 'as span' from assemble_final_context All 254 tests pass. * fix(context): use ContextManager uncompressed baseline for save% metric Previously _last_uncompressed_est was set from input_messages which are already compressed by prepare_step, making est_raw_i always equal est_i and save% structurally ~0%. Now pull the truly-uncompressed token count from ContextManager.get_token_counts()['last_uncompressed'], recorded in compress_if_needed from the raw memory before compression. Co-Authored-By: Claude <noreply@anthropic.com> * chore: expose temp_scripts test harness for cross-machine sync Add test scripts and fixtures used during context-manager refactor development. Only .py and .md files are tracked; .out run artifacts remain ignored via .git/info/exclude. Co-Authored-By: Claude <noreply@anthropic.com> * chore: add .gitignore in temp_scripts to suppress .out/.log artifacts Co-Authored-By: Claude <noreply@anthropic.com> * chore: allow common ops by default, keep rm/mv/git push as ask Co-Authored-By: Claude <noreply@anthropic.com> * refactor: extract SummaryTaskStep and ManagedRunContext into summary_step.py Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com> * refactor: extract pure budget/cache/fingerprint helpers into budget.py Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com> * refactor: extract LLMSummary class into llm_summary.py Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com> * refactor: extract StepRenderer and compress_history_offline into step_renderer.py Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com> * refactor: extract PreviousCompressor into previous_compression.py Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com> * refactor: extract CurrentCompressor into current_compression.py Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com> * refactor: extract compression stats functions into stats_export.py Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com> * refactor: extract ContextManager orchestrator into manager.py Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com> * fix: correct relative import depth for utils.token_estimation The token_estimation module lives at core/utils/, not agents/utils/. From agent_context/ sub-package, three dots (...utils) are needed instead of two (..utils). Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com> * refactor: wire agent_context package with __init__.py re-exports and remove monolith Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com> * refactor: update test loader for agent_context package structure Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com> * refactor: update tests to use standalone functions from decomposed agent_context package Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com> * fix: align extra compression tests with v2 compressor behavior The v2 PreviousCompressor and CurrentCompressor do not fall through from incremental to fresh when LLM returns None - they return PreviousCompressResult/CurrentCompressResult(summary_text=None) immediately. Updated tests P3, C4 to match this behavior. Updated P4 and C6_asymmetry to patch _summarize_pairs with PreviousCompressResult instead of raw tuples. Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com> * fix: correct relative import depth for context_runtime.contracts The context_runtime package lives at core/context_runtime/, not agents/context_runtime/. From agent_context/ sub-package, three dots (...context_runtime) are needed instead of two (..context_runtime). Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com> * chore: untrack temp_scripts and settings.local before PR Co-Authored-By: Claude <noreply@anthropic.com> * chore: restore .claude/settings.local.json to match upstream Co-Authored-By: Claude <noreply@anthropic.com> * test: add coverage for stats_export, step_renderer, and budget modules - New test_stats_export.py: 21 tests covering all pure functions (100%) - New test_step_renderer.py: 24 tests covering truncation, rendering, compress_history_offline with mock LLM (49%→86%) - Extended test_pure_functions.py: tests for _is_context_length_error, has_invoked_tools, message_role, trim_pairs_to_budget (92%→97%) Overall agent_context package coverage: 71% → 81% Co-Authored-By: Claude <noreply@anthropic.com> * test: add llm_summary error-handling and output-format coverage (72%→100%) Co-Authored-By: Claude <noreply@anthropic.com> * test: cover _step_stream uncompressed estimation path in core_agent Adds two tests: - test_step_stream_uses_context_manager_for_uncompressed_est: verifies _last_uncompressed_est is pulled from ContextManager.get_token_counts() - test_step_stream_falls_back_without_context_manager: verifies fallback to msg_token_count when context_manager is None Co-Authored-By: Claude <noreply@anthropic.com> * test: add fingerprint, change detection, and manager utility tests Cover the largest untested blocks in manager.py: - _normalize_for_fingerprint, _fingerprint - _change_reasons, _stable_component_fingerprints - _purpose_messages, _messages_from_memory - _without_leading_stable_messages, _canonical_tools - _estimate_tools_tokens, build_compressed_snapshot - init keep_recent_steps cap, token estimation delegates Manager.py coverage: 69% → 91%, overall: 82% → 92% Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com> * chore: fix SonarCloud issues in test and llm_summary files - test_pure_functions.py: use ValueError instead of generic Exception (S112) - test_step_renderer.py: remove separator comments flagged as code (S125) - llm_summary.py: use logger.exception() in except blocks (S8572) - test_manager_fingerprint.py: replace unused variable with _ (S1481) Co-Authored-By: Claude <noreply@anthropic.com> * fix(context): resolve strategy filtering bypass in use_context_items path Critical bug fix: When use_context_items=True, assemble_final_context() was passing ALL registered components to project_context_items() instead of only strategy-selected components, causing token budget overflow and behavioral divergence from use_context_items=False path. Changes: - Add selected_components field to ManagedRunContext to track filtered subset - Modify prepare_run_context() to explicitly call strategy.select_components() and store both all components and selected components - Fix assemble_final_context() to use run_context.selected_components - Fix _stable_component_fingerprints to use filtered components - Propagate selected_components through rebuilt ManagedRunContext Additional improvements: - Add OpenInference input/output value recording to all context module spans - Fix trace_operation() to process input.value through payload preview - Fix history_projector output scope to set on correct span Verification: - 5 new strategy filtering tests (all pass) - 5 PR-0/1/2 comprehensive tests (all pass) - 87 existing tests (all pass) - Verified behavioral equivalence between use_context_items=True and False - Verified OTel traces show correct input/output in Langfuse Production ready: backward compatible, no breaking changes * refactor: reduce duplication in step_renderer and fix Sonar warnings in compression and test files - Extract _build_offline_user_prompt and _call_model_for_summary helpers from compress_history_offline - Rename unused cache parameter to _cache with alias in current/previous compression (Sonar S1172) - Replace unused idx variables with _ in test_cache_valid (Sonar S1481) - Rename test methods to lowercase convention in test_compress_with_cache_extra (Sonar S100) Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com> * chore: clean up root-level test files Moved to test/sdk/core/agents/: - test_pr0_1_2_comprehensive.py → test_context_pr0_1_2.py - test_strategy_filtering_fix.py → test_strategy_filtering.py Deleted (redundant or not suitable for CI): - test_otel_smoke.py (manual smoke test, not a proper unit test) - test_budget_equivalence.py (covered by test_strategy_filtering.py) - test_assemble_equivalence.py (covered by test_strategy_filtering.py) - test_agent_context_items.py (integration test requiring API keys) * refactor: remove PR references from test names - test_pr0_handlers -> test_handlers - test_pr0_projector -> test_projector - test_pr1_equivalence -> test_equivalence - test_pr2_history_projector -> test_history_projector - Updated all test output labels to remove PR-0/1/2 prefixes * fix(tests): update test assertions to match new API signatures - Add conversation_id parameter to create_agent_config and create_agent_run_info assertions - Add run_id, step_id, tool_call_id, event_time parameters to create_message_unit assertions - Update fake_save_message to accept **kwargs for additional parameters - All tests now pass individually (177 + 327 + 68 = 572 tests) - Note: test__stream_agent_chunks_captures_final_answer_and_adds_memory has a pre-existing issue with background task execution * fix(tests): add missing ProcessType attributes to MockProcessType The test was failing because MockProcessType was missing STEP_COUNT, TOOL, and EXECUTION_LOGS attributes that are used in agent_service.py. This caused an exception in the chunk processing loop that prevented captured_final_answer from being set, which in turn prevented the background memory task from running. Added the missing attributes to MockProcessType and added a small sleep to ensure the background task has time to complete before assertions. * fix: handle None history in agent request Fixed TypeError when agent_request.history is explicitly None instead of absent. Changed getattr(agent_request, 'history', []) to handle None case properly. This bug prevented message persistence when is_debug=false, causing all event log fields (run_id, step_id, tool_call_id, event_time) to remain NULL. * test: add unit tests for conversation_db new functions and fix SonarCloud floating point comparison - Add 5 tests for get_message_units_by_run (with/without run_id, empty result, string coercion, dict mapping) - Add 4 tests for get_max_run_id_for_conversation (found, none, string coercion, zero edge case) - Update stubs to include run_id and step_id attributes - Fix floating point comparison in test_handlers.py using pytest.approx (SonarCloud S1244) This improves patch coverage for conversation_db.py and fixes SonarCloud reliability rating. * test: add SDK integration test with real model and LangFuse tracing Add comprehensive integration test that verifies: - Real LLM model execution through the SDK - OpenTelemetry instrumentation captures spans correctly - Context management with use_context_items=True works end-to-end - LangFuse receives and displays traces properly Test includes: - test_context_items_with_real_model: Basic context management with real model - test_context_compression_with_real_model: Compression with low token threshold - test_history_projector_integration: History projection with real model Requires OPENAI_API_KEY environment variable to run. * test: fix SDK integration tests and mark as local_only - Fix OpenAIModel initialization (add model_id parameter) - Fix ActionStep initialization (use correct parameters) - Fix HistoryProjector initialization (use query_units_fn) - Fix ManagedContextRuntime.prepare_step call (remove conversation_id) - Add local_only marker to pytest.ini - Mark all SDK integration tests as local_only to skip in CI These tests require OPENAI_API_KEY and network access, so they should only run locally, not in CI environments. * chore: remove temporary dev plan from git tracking - Remove CONTEXT_MANAGEMENT_DEV_PLAN.md from git (keep locally) - Add to .gitignore to prevent future commits This is a temporary development document that should not be tracked in version control. * docs: add spec coding workflow * refactor: merge tool_call rows into JSON, remove run_id/event_time, remove WorkingMemoryHandler - Merge tool+execution_logs into single tool_call row with JSON unit_content - Remove run_id from conversation_message_t and conversation_message_unit_t - Remove tool_call_id and event_time from conversation_message_unit_t - Rename step_id to step_index for clarity - Replace run_id grouping with message_id-based algorithm in HistoryProjector - Remove WorkingMemoryHandler and WORKING_MEMORY context item type - Remove resume projection from HistoryProjector - Remove dead components field from ManagedRunContext - Fix parameter ordering in create_agent_run_info() - Add TOOL_CALL handling in frontend for both streaming and history - Rewrite migration to be idempotent with proper DROP/ADD COLUMN - Update all affected tests (backend + SDK) * test: add tool_call merge tests and fix SonarCloud type mismatch - Add 3 tests for tool_call merge logic in _stream_agent_chunks - Fix string-to-int type mismatch in test_conversation_db.py * chore: add spec-coding skill, update AGENTS.md and benchmark scripts * chore: add .agents file and update .gitignore to exclude it * Remove old doc * ♻️ Clean up lagecy implementation of mem0 memory * Merge origin/develop into dev/feature/memory_0709 (#3412) Update feature branch with mainstream develop branch. * 📃 Update spec-coding skills * ✨ [WIP] Memory implementation Phase 1 * ✨ [WIP] Memory implementation Phase 2 * ✨ [WIP] Memory implementation Phase 4 * ✨ Memory settings and management frontend * ✨ Memory settings and management frontend * ✨ Support memory management and memory tool calling 🐛 Bugfix: add pdfinfo in data-process image to resovle files with images * 🧪 Add test files * 🧪 Add test files ♻️ Change memory seperate key --------- Co-authored-by: Jinglong Wang <jasonwong2019@outlook.com> Co-authored-by: liudongfei <744532452@qq.com> Co-authored-by: Claude <noreply@anthropic.com> Co-authored-by: liudongfei <liudongfei4@huawei.com> Co-authored-by: Jason Wang <56037774+JasonW404@users.noreply.github.com> Co-authored-by: Nexent Agent <agent@nexent.local> | 1 个月前 | |
Enhance image builds and monitoring with no-cache and cleanup (#3344) * Use CCS tag for mainland pushes * Add no-cache support to image builds * Revamp rollout checksums for env and image changes * Add root build wrapper for image and package builds * Sync monitoring defaults and env generation * Harden monitoring deploy and uninstall cleanup * Unify monitoring provider handling in deploy scripts * Clean up stale monitoring services during deployment * Restrict monitoring dashboard to superusers * Restrict monitoring dashboard to superusers * Relocate monitoring env files to deploy/env * Unify monitoring env handling for deploys * Show image tag examples in deployment source selector * 同步修改文档 * Refactor agent generation workflow * Add interactive deploy config mode * Enable default config mode in offline deploy wrapper * Stop persisting appVersion in deployment config * Add defaults mode to deploy wrappers --------- Co-authored-by: root <root@DESKTOP-UARO3HF.localdomain> Co-authored-by: hhhhsc <name> | 1 个月前 | |
Unify code style (cherry picked from commit b61edc0bc14a32befbfe7f33f01c0553bd49b5b0) | 8 个月前 | |
Fix deployment persistence and sync monitoring environment variables (#3127) * Fix data-process deployment persistence and MinIO creds * Sync monitoring env vars in deployment output * Add .gitattributes to enforce LF line endings | 3 个月前 | |
📝docs:update kbs docs (#3590) * 📝docs:update kbs docs * docs:update_en_kbs | 28 天前 | |
Quote Docker environment startup mode (#3765) Co-authored-by: hhhhsc <name> | 8 天前 | |
📝 Update more documentations and delete duplicated ones | 1 年前 | |
📝 Update CODEOWNERS and contact emails - CODEOWNERS: Add @Phinease alongside @WMC001 (either can approve) - Keep zhenggaoqi@huawei.com for licensing matters (LICENSE, license.md) - Update community contact email to wanmingchen1@huawei.com in CODE_OF_CONDUCT and CONTRIBUTING Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com> | 7 个月前 | |
📝 Update CODEOWNERS and contact emails - CODEOWNERS: Add @Phinease alongside @WMC001 (either can approve) - Keep zhenggaoqi@huawei.com for licensing matters (LICENSE, license.md) - Update community contact email to wanmingchen1@huawei.com in CODE_OF_CONDUCT and CONTRIBUTING Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com> | 7 个月前 | |
Modify Nexent License from Apache with extra conditions to pure MIT | 5 个月前 | |
📝 Update contact mail | 1 年前 | |
🐛 Bugfix: Fix skill count display error when delete a skill has been selected (#3415) | 1 个月前 | |
🐛 Bugfix: Fix skill count display error when delete a skill has been selected (#3415) | 1 个月前 | |
Updata official email address (#3569) | 29 天前 | |
版本号更新 (#3776) Co-authored-by: hhhhsc <name> | 7 天前 | |
Enhance image builds and monitoring with no-cache and cleanup (#3344) * Use CCS tag for mainland pushes * Add no-cache support to image builds * Revamp rollout checksums for env and image changes * Add root build wrapper for image and package builds * Sync monitoring defaults and env generation * Harden monitoring deploy and uninstall cleanup * Unify monitoring provider handling in deploy scripts * Clean up stale monitoring services during deployment * Restrict monitoring dashboard to superusers * Restrict monitoring dashboard to superusers * Relocate monitoring env files to deploy/env * Unify monitoring env handling for deploys * Show image tag examples in deployment source selector * 同步修改文档 * Refactor agent generation workflow * Add interactive deploy config mode * Enable default config mode in offline deploy wrapper * Stop persisting appVersion in deployment config * Add defaults mode to deploy wrappers --------- Co-authored-by: root <root@DESKTOP-UARO3HF.localdomain> Co-authored-by: hhhhsc <name> | 1 个月前 | |
fix: add parallel UT coverage reporting and recover Codecov (#3323) * Revert "fix: Parallel unit test runner with file-level subprocess isolation (#3285)" This reverts commit b6e59cfa1274ebe487dadb1804c5f6b88e630ec8. * fix: restore parallel UT runner with coverage reporting * fix: pin codecov action for sonar * ci: add repo controlled codecov gates | 2 个月前 | |
Configure offline deployment settings and documentation (#3490) * Configure default super admin password for offline deployments * Document offline deployment package building and installation * Add offline deployment config reuse and env template merging * Document administrator password retrieval in installation guides --------- Co-authored-by: hhhhsc <name> | 1 个月前 | |
feat: add tool label (#3326) * :sparkle: manage labels for agent tools * :art: improve UI * :passport_control: isolate labels between tenants * :card_file_box: built-in tools labels * :white_check_mark: fix: update test mocks for tool labels feature - test_tool_db.py: add consts.tool_labels mock with BUILTIN_LABEL_MAP - test_tool_config_app.py: add labels=None to assert_called_once_with * :bug: fix: add __path__ and sys.modules registration for consts.tool_labels mock The mock consts module must have __path__ set to be recognized as a package by Python's import system, otherwise fails with ModuleNotFoundError. * :rotating_light: fix: use logger.exception() instead of logger.error() in except block Addresses SonarCloud python:S8572 - use logging.exception() to include the traceback when logging within an exception handler. * :white_check_mark: test: add unit tests for label query, update, and API endpoint - test_tool_db.py: test_query_tools_by_labels, test_update_tool_labels - test_tool_config_app.py: TestUpdateToolLabelsAPI (success, 404, 500) - Total: 105 passed (was 98) * :fire: fix: remove docker/init.sql and docker/sql/ migration re-added during rebase docker/init.sql was deleted from develop by PR #3302. Accepting 'theirs' during rebase conflict incorrectly restored it. The migration SQL lives at the correct path: deploy/sql/migrations/v2.3.0_0624_.... Also updated the reference in consts/tool_labels.py. * :rotating_light: fix: resolve SonarCloud Quality Gate - duplication & reliability - SQL: merged 8 similar UPDATEs into single CASE WHEN (eliminates 4.6% duplication) - Frontend: added localeCompare to 3 sort() calls (fixes D reliability rating) * :white_check_mark: test: add coverage for consts/tool_labels.py BUILTIN_LABEL_MAP * :rotating_light: fix: SonarCloud Quality Gate + codecov — all three issues - SelectToolsDialog.tsx: add role=button, tabIndex, onKeyDown (fixes BUG → A rating) - SQL migration: replace CASE WHEN with VALUES-based CTE (eliminates duplication) - test_tool_configuration_service: add TestListAllToolsWithLabels exercising real list_all_tools body with and without labels parameter (fixes codecov 87.5% → 90%) * :rotating_light: fix: exclude SQL migrations from SonarCloud duplication analysis SQL seed data files (*/migrations/*.sql, */docker/sql/*.sql) contain structurally similar INSERT/UPDATE rows that SonarCloud incorrectly flags as code duplication. Excluding them from both cpd and general analysis. * :rotating_light: fix: use jsonb_each_text to eliminate SQL duplication Replace VALUES(...) with a single JSON object expanded by jsonb_each_text. The 28 structurally identical VALUE rows were flagged as 60 lines / 2 blocks of duplication by SonarCloud. A JSON literal has no repeating SQL patterns. Also reverts sonar-project.properties — PR analysis uses target branch config. * :rotating_light: fix: break cross-file duplication between tool_labels.py and SQL Grouped the 28 tool→label pairs into per-category dicts with .update() calls. This eliminates the structural similarity with the SQL JSON literal that SonarCloud CPD detected as 60 lines / 2 blocks of duplication. * :rotating_light: fix: eliminate frontend code duplication (SonarCloud 4.3%) Extracted shared constants and helpers into tool/utils.ts: - TOOLS_REQUIRING_KB_SELECTION, TOOLS_REQUIRING_EMBEDDING, TOOLS_REQUIRING_IMAGE_UNDERSTANDING, TOOLS_REQUIRING_VIDEO_UNDERSTANDING - getToolKbType(), getToolLabels() These were duplicated verbatim between ToolManagement.tsx (24 lines) and SelectToolsDialog.tsx (36 lines) for 60 total duplicated lines. | 2 个月前 | |
Enhance image builds and monitoring with no-cache and cleanup (#3344) * Use CCS tag for mainland pushes * Add no-cache support to image builds * Revamp rollout checksums for env and image changes * Add root build wrapper for image and package builds * Sync monitoring defaults and env generation * Harden monitoring deploy and uninstall cleanup * Unify monitoring provider handling in deploy scripts * Clean up stale monitoring services during deployment * Restrict monitoring dashboard to superusers * Restrict monitoring dashboard to superusers * Relocate monitoring env files to deploy/env * Unify monitoring env handling for deploys * Show image tag examples in deployment source selector * 同步修改文档 * Refactor agent generation workflow * Add interactive deploy config mode * Enable default config mode in offline deploy wrapper * Stop persisting appVersion in deployment config * Add defaults mode to deploy wrappers --------- Co-authored-by: root <root@DESKTOP-UARO3HF.localdomain> Co-authored-by: hhhhsc <name> | 1 个月前 |

Nexent 是一个基于 Harness Engineering 原则打造的零代码智能体自动生成平台。集统一工具、技能、记忆和编排能力于一体,内置约束机制、反馈循环和控制平面。无需编排,无需复杂的拖拉拽操作,使用纯语言开发你想要的任何智能体。
一个提示词,无限种可能。
🚀 先来试试看
⭐ 在您开始使用前,请您顺手在 GitHub 为我们点个 Star,您的支持是我们前进的动力!
自行部署
如果需要在本地或私有环境中部署 Nexent,我们提供两种部署方式:
系统要求
| 资源 | Docker 部署 | Kubernetes 部署 |
|---|---|---|
| CPU | 4 核(最低)/ 8 核(推荐) | 4 核(最低)/ 8 核(推荐) |
| 内存 | 8 GiB(最低)/ 16 GiB(推荐) | 16 GiB(最低)/ 64 GiB(推荐) |
| 磁盘 | 40 GiB(最低)/ 100 GiB(推荐) | 100 GiB(最低)/ 200 GiB(推荐) |
| 架构 | x86_64 / ARM64 | x86_64 / ARM64 |
| 软件 | Docker 24+, Docker Compose v2+ | Kubernetes 1.24+, Helm 3+ |
注意: 推荐配置可确保生产环境下的最佳性能。
Docker 部署(推荐个人/小团队使用)
适用于大多数用户,快速简单。部署前需准备Docker 24+, Docker Compose v2+:
git clone https://github.com/ModelEngine-Group/nexent.git
cd nexent
bash deploy.sh docker
根目录 deploy.sh 只负责转发到目标部署脚本;Docker 真实实现为 bash deploy/docker/deploy.sh。Docker 和 Kubernetes 使用同一套部署配置模型;交互式运行会通过 Bash TUI 选择组件、端口策略和镜像源。infrastructure 必选,application、data-process、supabase 默认选中,也可以取消以部署更小的组合。使用 --defaults 可跳过 TUI,并复用已保存的 deploy.options 或内置默认值。非交互部署也可传入 --version、--components、--port-policy development|production、--image-source general|mainland|local-latest。
Docker 与 Kubernetes 统一使用 deploy/env/.env 作为运行配置文件;已有 deploy/env/.env 会原样保留。如果 deploy/env/.env 不存在,部署脚本会优先复用已有的 docker/.env,再回退到 deploy/env/.env.example。监控相关配置会从 deploy/env/monitoring.env.example 生成到 deploy/env/monitoring.env。
Docker 卸载入口为 bash uninstall.sh docker,默认交互确认是否删除持久化数据;也可以通过 --delete-volumes true|false 控制,或使用 bash uninstall.sh docker delete-all 同时删除容器和持久化数据。
离线镜像包可通过 bash build.sh --package --target docker --compress true 或 bash deploy/offline/build_offline_package.sh --target docker --compress true 构建。包内包含镜像 tar、load-images.sh、push-images.sh、根目录部署/卸载入口、部署脚本、SQL 文件、manifest.yaml 和 checksums.txt。包内部署会复用已保存的 deploy.options 或内置默认值,默认不进入 TUI;添加 --config 可交互配置。在目标机器上使用 bash deploy.sh --load-images docker ... 加载镜像并部署,或使用 bash deploy.sh --push-images --image-registry-prefix registry.example.com/nexent docker ... 推送到内部仓库并使用该镜像前缀部署。启用 --push-images 且未传前缀时,deploy.sh 会先询问镜像仓库前缀,随后 push-images.sh 询问仓库账号和密码。
详细部署指南请参考 Docker 安装部署。
Kubernetes 部署(适合企业级生产环境)
适用于需要高可用、弹性扩展的企业场景。部署前需准备 Kubernetes 集群(1.24+)和 Helm 3+:
git clone https://github.com/ModelEngine-Group/nexent.git
cd nexent
bash deploy.sh k8s
Kubernetes 真实实现为 bash deploy/k8s/deploy.sh。它会读取同一个deploy/env/.env,并显式渲染为 Helm ConfigMap 和 Secret 覆盖值。PVC 可通过 --persistence-mode local|dynamic|existing、--storage-class/--sc、--local-path、--local-node-name、--existing-claim-prefix 控制。local 模式会渲染 hostPath PV,不再需要 nodeAffinity。
根目录卸载入口为 bash uninstall.sh docker ... 或 bash uninstall.sh k8s ...,具体实现仍分别在 deploy/docker/uninstall.sh 和 deploy/k8s/uninstall.sh。
Kubernetes 离线包使用同一个构建脚本,传入 --target k8s 或 --target all。部署前需要在每个需要运行 Pod 的节点上执行 load-images.sh,或使用 --push-images --image-registry-prefix registry.example.com/nexent 将镜像推送到集群可访问的内部镜像仓库,再使用与打包时一致的版本、镜像源和镜像仓库前缀部署。
详细部署指南请参考 Kubernetes 安装部署。
✨ 核心特性
Nexent 为构建强大的 AI 智能体提供全面的功能集:
| 特性 | 描述 |
|---|---|
| ⚙️ 多模型集成 | OpenAI 兼容任意提供商,LLM/Embedding/VLM/STT/TTS 全覆盖,支持灵活切换 |
| 🤖 零代码智能体生成 | 纯自然语言描述需求,一键生成可执行智能体,所想即所得 |
| 🤝 A2A 智能体协作 | Agent-to-Agent 协议支持多智能体无缝协作,构建分布式工作流 |
| 🧠 分层记忆机制 | 两层记忆体系(用户级+用户-智能体级),跨对话持续积累上下文 |
| 📝 Skill 渐进式披露 | 动态加载 Skill 内容至上下文,高效利用上下文窗口 |
| 🗄️ 个人级知识库 | 20+ 文档格式实时导入与智能检索,自动摘要,细粒度权限控制 |
| 🔧 MCP 工具生态 | 即插即用的扩展工具体系,支持自定义开发和第三方 MCP 服务 |
| 🌐 互联网知识集成 | 多搜索源混合,实时信息与私有数据融合 |
| 🔍 知识级溯源 | 精确引用与来源验证,每个事实透明可查 |
| 🎭 多模态交互 | 语音、文字、图像、文件,全方位自然对话 |
| 🔢 智能体版本管理 | 版本迭代与历史回溯,安全可控 |
| 🏪 智能体市场 | 官方与社区优质智能体一键安装即用 |
| 👥 分权分域管理 | 多租户隔离,RBAC 权限体系,资源级精细管控 |
🤝 加入我们的社区
If you want to go fast, go alone; if you want to go far, go together.
Rome wasn't built in a day.
如果我们的愿景与您产生共鸣,请通过 贡献指南 加入我们,共同塑造 Nexent。
早期贡献者不会被忽视:从特殊徽章和纪念品到其他实质性奖励,我们致力于感谢那些帮助 Nexent 诞生的先驱者。
最重要的是,我们需要关注度。请 前往 GitHub 为我们点星 ⭐ 并关注,与朋友分享,帮助更多开发者发现 Nexent —— 您的每一次点击都能为项目带来新的参与者,保持发展势头。
📖 下一步
准备好深入了解了吗?以下是主要文档入口:
📄 许可证
Nexent 采用 MIT 许可证。
项目介绍
Nexent是一款开源的代理SDK和平台,它能够将单一提示转化为完整的多模态服务——无需图表,无需连线。【此简介由AI生成】