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fast-agent
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fast-agent

Active·★ 3.8k·Apache-2.0·Updated 2026-06-14
★ Trending★ Multi-Agent★ Dev Tooling

fast-agent is a CLI-first framework for building and interacting with sophisticated multimodal AI agents and workflows. It offers comprehensive support for various LLM providers, structured outputs, and vision, with unique features like MCP Feature support and live streaming responses to the terminal.

fast-agent is currently grouped under Dev Tooling, which makes it easier to evaluate through workflow fit instead of isolated features alone. Based on the available data, it leans most heavily toward Sophisticated multimodal Agent and Workflow creation. and Rapid development and testing of sophisticated multimodal AI agents and workflows.. The listed license is Apache-2.0, which is useful when adoption constraints matter. It also shows measurable community traction with 3.8k GitHub stars.

#acp#agent#agent-framework#agent-skills#cli#mcp#mcp-client#mcp-server
$ Install
$ uv pip install fast-agent-mcp
↗ Visit site★ GitHub
01

Features

01Sophisticated multimodal Agent and Workflow creation.
02Comprehensive LLM provider support (e.g., Anthropic, OpenAI, Google, Ollama).
03Structured outputs, PDF, and Vision support.
04CLI-first with interactive terminal UI (TUI-style) and live streaming responses.
05Advanced agentic workflows like Chain, Parallel, MAKER, and Agents As Tools.
02

Why choose it

+Sophisticated multimodal Agent and Workflow creation.
+Rapid development and testing of sophisticated multimodal AI agents and workflows.
+Covers 6 supported environments or platforms, which is helpful for broader deployment needs.
+Ships with a public repository and a Apache-2.0 license, which makes adoption and review easier.
03

Trade-offs

!There are at least 8 related tools in the same category, so the best choice is easier to make after side-by-side comparison.
04

Compatibility

Anthropic
Native
Verified via docs
OpenAI
Native
Verified via docs
Google
Native
Verified via docs
Azure
Supported
Verified via docs
Ollama
Supported
Verified via docs
Deepseek
Supported
Verified via docs
05

Quick start

1
$ uv pip install fast-agent-mcp
06

Use cases

↳Rapid development and testing of sophisticated multimodal AI agents and workflows.
↳Diagnosing and tuning agent applications, including those requiring human input.
↳Implementing advanced agentic patterns for error reduction or complex task decomposition.
07

How it compares

≈fast-agent sits in the Dev Tooling category, so it makes more sense to evaluate it alongside tools like fastmcp instead of in isolation.
≈If your main need is closer to "Rapid development and testing of sophisticated multimodal AI agents and workflows.", that use case is a better lens for comparison than broad feature checklists alone.
≈fast-agent uses a Apache-2.0 license, and community traction are both easier to judge in category context.
08

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Related searches

fast-agent AlternativesBest Dev Tooling Tools 2026Open Source Dev Toolingfast-agent Tutorialfast-agent Vs Competitorsacpagentagent-framework

Comments

Log in to leave a comment
  • M
    Marlowe ThompsonMay 11, 2026

    Agent build and evaluation in one framework reduces the prototype-to-eval gap.

  • S
    Sutton ChenMay 10, 2026

    Excellent MCP and ACP support makes it composable with existing tool infrastructure.

  • Harley Rivera
    Harley RiveraMay 6, 2026

    Skills system makes reusing agent capabilities across different workflows easy.

  • Kendall Rivera
    Kendall RiveraApr 29, 2026

    Fast iteration loop between coding agents and evaluating their behavior.

  • H
    Harley JohnsonApr 28, 2026

    Good for teams who want systematic agent evaluation without separate tooling.

On this page
01Features02Why choose it03Trade-offs04Compatibility05Quick start06Use cases07How it compares08Alternatives
Stats
GitHub Stars★ 3.8k
Last commit1d ago
StatusActive
LicenseApache-2.0
CategoryDev Tooling
Trend (30d)
+0.1k↑ 2.8%
Links
Documentation↗Discussion↗Issues↗Releases↗

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