# 热门框架源码入口核对

核对日期：2026-07-20。路径通过 GitHub REST API 读取各仓库默认分支递归 Tree 后筛选；仓库会持续变化，阅读时应固定 Commit。

## OpenAI Agents SDK

- `src/agents/agent.py`
- `src/agents/run.py`
- `src/agents/run_state.py`
- `src/agents/run_internal/run_loop.py`
- `src/agents/run_internal/tool_execution.py`
- `src/agents/run_internal/approvals.py`
- `src/agents/result.py`
- `src/agents/exceptions.py`

## LangGraph

- `libs/langgraph/langgraph/graph/state.py`
- `libs/langgraph/langgraph/pregel/main.py`
- `libs/langgraph/langgraph/pregel/_loop.py`
- `libs/langgraph/langgraph/pregel/_runner.py`
- `libs/langgraph/langgraph/pregel/_checkpoint.py`
- `libs/prebuilt/langgraph/prebuilt/tool_node.py`

## PydanticAI

- `pydantic_ai_slim/pydantic_ai/agent/`
- `pydantic_ai_slim/pydantic_ai/run.py`
- `pydantic_ai_slim/pydantic_ai/tools.py`
- `pydantic_ai_slim/pydantic_ai/tool_manager.py`
- `pydantic_ai_slim/pydantic_ai/toolsets/approval_required.py`
- `pydantic_evals/pydantic_evals/evaluators/agentic.py`
- `pydantic_graph/pydantic_graph/graph_builder.py`

## Google ADK Python

- `src/google/adk/agents/base_agent.py`
- `src/google/adk/agents/llm_agent.py`
- `src/google/adk/agents/invocation_context.py`
- `src/google/adk/agents/run_config.py`
- `src/google/adk/agents/sequential_agent.py`
- `src/google/adk/agents/parallel_agent.py`
- `src/google/adk/agents/loop_agent.py`
- `src/google/adk/agents/remote_a2a_agent.py`
- `src/google/adk/events/`

## Microsoft Agent Framework

- `python/packages/core/agent_framework/orchestrations/`
- `python/packages/durabletask/agent_framework_durabletask/_workflows/runner_context.py`
- `python/samples/02-agents/harness/console/agent_runner.py`
- `python/samples/02-agents/harness/console/state_driver.py`
- `python/samples/02-agents/harness/console/observers/tool_approval.py`
- `python/samples/02-agents/evaluation/evaluate_agent.py`
- `python/samples/02-agents/a2a/agent_with_a2a.py`

## 动态快照说明

Star、Issue、最近 Push 和 License 来自总研究项目的 `repository-snapshot.json`，抓取时间 `2026-07-19T17:37:40.150Z`。Star 表示关注度，不代表技术质量、维护成熟度或生产成功率。