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The harness your model deserves.

Best!

Leading Accuracy
and Efficiency

See benchmark results and performance data for the newest models!

View performance data

Run fast-agent in your terminal.

uvx fast-agent-mcp@latest -x

Bring your provider.
Use local models.

Native reasoning, streaming and tool use. API keys or supported OAuth and subscription logins, including Codex and Copilot.

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Connect your agent.

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