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mcp-agent

Python framework for building effective agents with MCP — simple, composable agent patterns.

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About

lastmile-ai/mcp-agent (8.5k stars, Apache-2.0, PyPI mcp-agent v0.2.6 verified) is a Python framework focused on "effective agents" with MCP: composable agent, workflow, and orchestration patterns on top of MCP servers.

Caveat to weigh: the repo's last push was Jan 2026 — roughly 9 months before this check — with zero releases in the last 12 months. The ideas are solid and the community is real, but activity has clearly slowed; check for signs of life before building on it. Docs/site at lastmileai.dev.

What it can do

  • Composable agent and workflow patterns purpose-built for MCP
  • Simple abstractions over multi-server MCP orchestration
  • Apache-2.0, 8.5k stars, PyPI-published
  • Good conceptual model for "effective agents" (human-in-the-loop friendly)

Setup

  1. pip install mcp-agent.
  2. Configure your MCP servers and model provider per the README quickstart.
  3. Compose agents and workflows from its building blocks.
  4. Check the repo's recent commit history first — activity slowed in 2026.

Prerequisites

Python 3.10+; MCP servers to connect to; an LLM API key.

Use cases

mcpmcp-clientsagent-developmentagent-orchestration

Works with

langchainAny agent (.md)Generic API

Trust score — 7/10

/10 trustMetrics-checked

Scored 6/10 (metrics tier). Respectable community (8.5k stars) and Apache-2.0, but the maintenance picture is the story here: last push Jan 2026, no releases in 12 months. That doesn't make it broken, but in a protocol ecosystem moving this fast, a quiet 9 months is a yellow flag — verify it's still alive before adopting.

★ 8,570 GitHub stars

How the trust score is built

Full methodology →
Adoption · stars/downloads, log-scaled vs peers
7.5/10
Maintenance · recency, releases, issue load
4.2/10
Openness · license + docs
10.0/10
Manual review · sanity read + red-flag check
6.0/10
  • · 8,570 GitHub stars (log-scaled vs catalog peers)
  • · last push 260d ago; 0 releases/12mo; 144 open issues
  • · manual review: solid framework (8.5k stars) but last push Jan 2026, zero releases/12mo — maintenance yellow flag in a fast-moving ecosystem

Sources

Every fact above was checked against these sources. Where a claim comes from the provider and couldn't be independently verified, the text says so.