deepagents
https://github.com/langchain-ai/deepagents
Python
Deep Agents is an agent harness built on langchain and langgraph. Deep Agents are equipped with a planning tool, a filesystem backend, and the ability to spawn subagents - making them well-equipped to handle complex agentic tasks.
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- Issues
- langchain-quickjs: PTC prompt renders tools that take `runtime: ToolRuntime` as `(input: Record<string, unknown>)`, dropping every argument
- evals: add a high-cardinality tool-selection baseline
- docs(sdk): add annotated `execute` middleware example
- `FilesystemBackend.grep` returns mojibake or raises `UnicodeDecodeError` for non-ASCII content on Windows when ripgrep is installed
- Preserve prompt cache with append-only skill reload notifications
- feat(sdk): add `background_tool` and `AsyncToolMiddleware`
- Forked subagent `system_prompt` addendum breaks the parent prompt cache
- Support provider-native async tool calling for general tools
- read_file in the same response as edit_file/write_file on that path returns stale content (StateBackend)
- Add human-readable descriptions to execute tool calls
- Docs
- Python not yet supported