fast-agent
fast-agent is a flexible LLM interaction tool for coding, development, and evaluation.
- Region
- Overseas
- Pricing
- Free
- Open source
- Yes
- GitHub Stars
- ★ 3.8k
- Source
- GitHub
- Added
- 2026-06-06
- Last verified
- 2026-06-06

Overview
fast-agent is a flexible LLM interaction tool suitable for coding, development, and evaluation. It supports various models and skills, including Hugging Face and OpenAI Codex. Users can quickly start interactive sessions via the command-line interface and leverage rich features to build and test complex multimodal agents and workflows.
Key features
- ▪Supports multiple models and skills
- ▪CLI-first with optional TUI support
- ▪Comprehensive MCP feature support
- ▪Easy-to-use structured output
Use cases
Pros
- +Flexible interaction methods
- +Broad model support
- +Powerful MCP capabilities
- +Concise declarative syntax
Limitations / notes
- -Requires basic command-line knowledge
- -Some advanced features require additional configuration
Who it's for
This overview was compiled by AI from public sources and may contain inaccuracies — please refer to the official site.
FAQ
How do I get started with fast-agent?
Install uv and run `uvx fast-agent-mcp@latest -x` to start an interactive session.
Which models does fast-agent support?
Supports multiple models including Anthropic, OpenAI, Google, and more.
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