LibreAI / Agentes de IA / fast-agent
// agents · evalstate/fast-agent

fast-agent

fast-agent es un proyecto de agentes de IA de código abierto de evalstate (evalstate/fast-agent en GitHub). Tiene 3.928 estrellas en GitHub y 446 bifurcaciones, se publica bajo la licencia Apache-2.0 y se actualizó por última vez en GitHub el 8 de octubre de 2026.

Code, build and evaluate LLM agents with full MCP, Skills, ACP and A2A support.

★ 3,9k estrellas⑂ 446 bifurcacionesApache-2.0actualizado oct 2026
▦ visual: el README de este proyecto no incluye ninguna captura incrustable,
así que aquí va un marcador. La guía de abajo está completa de todos modos.
// datos del proyecto

Datos del proyecto

Estrellas en GitHub
3.928
Bifurcaciones
446
Licencia
Apache-2.0
Última actualización en GitHub
8 de octubre de 2026
Categoría
Agentes de IA
Tipo de ficha
Guía de instalación completa
Sitio oficial
Official site
// cómo funciona

Cómo funciona

  1. Clarify your goal

    Decide the first concrete outcome you want from it, so you can pick the right example, template or mode instead of exploring everything at once.

  2. Get the project

    Clone the repository (or install the published package) and skim its README quick start for the requirements for your platform.

  3. Install and configure

    Run the documented install step and set any required configuration — such as provider keys, data sources or local services — before the first run.

  4. Run your first task

    Execute the smallest documented example end to end, confirm the output is what you expected, then adapt it to your real data or workflow.

// características

Por qué gusta tanto

Complete MCP support

End-to-end tested MCP features including Sampling and Elicitations, plus MCP Apps and the OpenAI Apps SDK.

Agent Skills

SKILL.md-based skills managed with the /skills command, with a built-in registry covering LSP, hooks, compaction and automation.

Built-in workflows

Chain, Parallel, Router, Orchestrator, Evaluator-Optimizer, MAKER and Agents-as-Tools patterns ready to compose.

Interactive shell mode

Run shell commands with ! inside the session and connect to MCP servers with /connect over stdio or streamable HTTP with OAuth.

Multimodal and structured outputs

Vision, PDF and structured-output support, well tested across providers.

ACP and A2A ready

Any setup can run inside ACP clients via fast-agent-acp, with A2A support for agent-to-agent work.

Advertisement
// ejecútalo

Ejecútalo tú mismo

  1. Clone the repository

    Get the source so you can inspect, configure and run it locally.

    git clone https://github.com/evalstate/fast-agent.git
    cd fast-agent
  2. Install fast-agent

    Install the package as a uv tool so the CLI and shell aliases are available.

    uv tool install -U fast-agent-mcp
  3. Start an interactive session

    Launch with shell support and a model of your choice, then connect MCP servers with /connect.

    fast-agent --model opus -xx  # or quick-try: uvx fast-agent-mcp@latest -x
// casos de uso

Qué puedes crear

Readers working through the AI Agents shelf also stop at Guardrails, Programmable guardrails to keep LLM systems safe and on rails. Also on this shelf: council-of-high-intelligence — Convene 18 legendary thinkers as an AI council that debates your hardest questions — inside Claude Code. Readers working through the AI Agents shelf also stop at AP2, an open protocol for secure AI-driven payments.

Advertisement
// preguntas frecuentes

Preguntas frecuentes

Who maintains fast-agent?

It is maintained by evalstate on GitHub (evalstate/fast-agent), where the source, issues and releases live.

Is it free to use?

Yes — it is free and open source under Apache-2.0, which permits use, modification and commercial redistribution, with licence/notice retention.

Does it need a paid API key?

Yes — most use needs your own LLM provider key (Anthropic, OpenAI, Google or another supported provider), unless you point it at a local model via Ollama or llama.cpp.

How does it compare to LangChain or the OpenAI Agents SDK?

Compared with LangChain or the OpenAI Agents SDK, fast-agent's distinguishing focus is: code, build and evaluate LLM agents with full MCP, Skills, ACP and A2A support. Pick it when that focus matches your need; the alternative may suit you better if its broader or different scope is the priority.

How do I get started?

Clone https://github.com/evalstate/fast-agent (or install its published package), follow the README quick start to install and configure it, then run the smallest documented example — the Run section on this page mirrors those steps.

// sigue explorando

Herramientas similares

Agentes de IA

agno

Build, run, and manage full agent platforms — not just single agents.

★ 42,6k estrellasApache-2.0
Ver la guía →
Agentes de IA

agent-scan

Snyk's security scanner for AI agents, MCP servers and agent skills.

★ 3,1k estrellasApache-2.0
Ver la guía →
Agentes de IA

yu-ai-agent

Chinese Java course: build AI agents with Spring AI, RAG, MCP, and tool calling.

★ 2,7k estrellasCustom
Ver la guía →
Agentes de IA

open-cowork

Open Cowork: a desktop AI agent app with one-click Claude Code, MCP tools, skills, and VM sandboxing.

★ 2,2k estrellasMIT
Ver la guía →
Agentes de IA

awesome-llm-apps

100+ AI Agents, Agent Skills and RAG Apps - Free and Open Source.

★ 140,6k estrellasApache-2.0
Ver la guía →
Agentes de IA

mcp-agent

Simple workflow patterns for building effective agents on MCP.

★ 8,6k estrellasApache-2.0
Ver la guía →
// alternativas

Alternativas en Agentes de IA

Los demás proyectos de Agentes de IA con más estrellas del catálogo de LibreAI: la lista realista de alternativas si fast-agent no es lo que buscas.

// más en agents

Más en Agentes de IA

Proyectos de Agentes de IA cercanos en el catálogo, los más próximos en estrellas a fast-agent: sigue explorando a ambos lados.

Consigue fast-agent

Gratis y abierto: consigue el código fuente, dale una estrella al repositorio y empieza a crear.