# agents-playground

LangChain / LangGraph agent development notebooks and source code.

## Notebooks

- [Basics](notebooks/basics.md)
- [Checkpoints](notebooks/checkpoints.md)
- [Dynamic Tools Failed](notebooks/dynamic-tools-failed.md)
- [Mcp Adapters](notebooks/mcp-adapters.md)
- [Middleware History](notebooks/middleware-history.md)
- [Middleware Hitl](notebooks/middleware-hitl.md)
- [Middleware](notebooks/middleware.md)
- [Multi Agent Handoff](notebooks/multi-agent-handoff.md)
- [Multi Agent Supervisor](notebooks/multi-agent-supervisor.md)
- [Programmatic Tool Calling](notebooks/programmatic-tool-calling.md)
- [Tool Filter Token Savings](notebooks/tool-filter-token-savings.md)
- [Tool Search Filter](notebooks/tool-search-filter.md)
- [Tool Search Hybrid](notebooks/tool-search-hybrid.md)
- [Tool Search Interrupt](notebooks/tool-search-interrupt.md)
- [Tool Search Outline](notebooks/tool-search-outline.md)

## Source Code

- [agentchat/__init__.py](agentchat/__init__.py)
- [agentchat/agent.py](agentchat/agent.py)
- [agentchat/chat/__init__.py](agentchat/chat/__init__.py)
- [agentchat/chat/common.py](agentchat/chat/common.py)
- [agentchat/chat/direct.py](agentchat/chat/direct.py)
- [agentchat/chat/programmatic.py](agentchat/chat/programmatic.py)
- [agentchat/llm.py](agentchat/llm.py)
- [agentchat/middleware/__init__.py](agentchat/middleware/__init__.py)
- [agentchat/middleware/logging.py](agentchat/middleware/logging.py)
- [agentchat/middleware/suggest.py](agentchat/middleware/suggest.py)
- [agentchat/middleware/tool_filter.py](agentchat/middleware/tool_filter.py)
- [agentchat/resume.py](agentchat/resume.py)
- [agentchat/tools/__init__.py](agentchat/tools/__init__.py)
- [agentchat/tools/builtin.py](agentchat/tools/builtin.py)
- [agentchat/tools/embeddings.py](agentchat/tools/embeddings.py)
- [agentchat/tools/mcp.py](agentchat/tools/mcp.py)
- [agentchat/tools/registry.py](agentchat/tools/registry.py)
- [agentchat/tools/sandbox.py](agentchat/tools/sandbox.py)
- [agentchat/tools/search_tools_or_skills.py](agentchat/tools/search_tools_or_skills.py)
- [agentchat/tools/skills/__init__.py](agentchat/tools/skills/__init__.py)
- [agentchat/tools/skills/index.py](agentchat/tools/skills/index.py)
- [agentchat/tools/skills/tools.py](agentchat/tools/skills/tools.py)
- [agentchat/tools/tool_search/__init__.py](agentchat/tools/tool_search/__init__.py)
- [agentchat/tools/tool_search/index.py](agentchat/tools/tool_search/index.py)
- [agentchat/tools/tool_search/tool_search.py](agentchat/tools/tool_search/tool_search.py)
- [agentchat/ui.py](agentchat/ui.py)