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Deep Agents

Opinionated agent harness on LangGraph with sub-agents, filesystem access, context management, persistent memory and approval of tool calls.

Harness by LangChain

IndexedMIT★ 30,550
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Install

From the package registry. Read the repository before you give any tool access to your data.

pip install deepagents

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About

Deep Agents is an agent harness that runs out of the box and lets users override or replace each part. It bundles sub-agents with isolated context, filesystem and shell tools over pluggable backends, context summarization, cross-session memory, skills and human approval of tool calls. It sits on LangChain's create_agent and the LangGraph runtime and works with any model that supports tool calling, including local ones. LangSmith is the suggested route for tracing and evaluation.

Use cases: agent-orchestration, agent-memory

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Fact sheet

Languages
Python, TypeScriptREADME
Packages
deepagents (pypi)README
Multi-agent
YesREADME
MCP support
Built inREADME
Streaming
YesREADME
Memory
long-termREADME
Human in the loop
YesREADME
Observability
LangSmithREADME
Deploys to
langsmithREADME
Model providers
openai, anthropic, google, ollamaREADME
Maturity
StableREADME

Facts extracted by Claude Sonnet 5.5 from the linked sources on Oct 24, 2026; reviewed Oct 24, 2026. Wrong fact? Tell us.

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Signals

Stars
30,550
Forks
4,302
Open issues
163
Weekly downloads
1,930,228
Last commit
Oct 24, 2026 (2 days ago)
Last release
Oct 23, 2026 (3 days ago)
Last package publish
Oct 23, 2026 (3 days ago)

From GitHub (fetched Oct 24, 2026) and the package registry.

Details

Packages
pypi deepagents
License
MIT
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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Cite this page

Deep Agents. Agent Mart. https://agentmart.dev/harnesses/deep-agents (last updated 2026-10-24)