Investigation

Awesome AI OSS for AIT builders

A short curated map of open-source building blocks for human + agent pairs. Pick tools here. Belong somewhere next.

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  • MCP servers & runtimes
    evalstate/mcp-miro
    Miro board MCP server

    Added: November 28, 2024

    ★ 112 on GitHub

    Open repo
  • MCP servers & runtimes
    pierrebrunelle/mcp-server-openai
    Bridge OpenAI APIs through MCP

    Added: November 28, 2024

    ★ 84 on GitHub

    Open repo
  • MCP servers & runtimes
    cloudflare/mcp-server-cloudflare
    Cloudflare MCP servers for Workers and platform APIs

    Added: November 27, 2024

    ★ 4.2k on GitHub

    Open repo
  • MCP servers & runtimes
    exa-labs/exa-mcp-server
    Exa MCP server for neural web search

    Added: November 27, 2024

    ★ 5k on GitHub

    Open repo
  • Protocols & SDKs
    mcp-go
    Go SDK and helpers for building MCP servers/clients

    Added: November 27, 2024

    ★ 9.1k on GitHub

    Open repo
  • Protocols & SDKs
    modelcontextprotocol/servers
    Reference MCP servers

    Added: November 25, 2024

    ★ 90.4k on GitHub

    Learn more

    Open repo
  • Agent tools & crawlers
    open_deep_research
    Open implementation of iterative deep-research agents

    Added: November 20, 2024

    ★ 12.7k on GitHub

    Open repo
  • Protocols & SDKs
    modelcontextprotocol/python-sdk
    Official Python SDK

    Added: November 19, 2024

    ★ 24.3k on GitHub

    Learn more

    Open repo
  • Protocols & SDKs
    modelcontextprotocol/typescript-sdk
    Official TS SDK

    Added: November 19, 2024

    ★ 13.4k on GitHub

    Learn more

    Open repo
  • Protocols & SDKs
    modelcontextprotocol/create-python-server
    Cookiecutter to scaffold a Python MCP server

    Added: November 18, 2024

    ★ 475 on GitHub

    Open repo
  • Protocols & SDKs
    modelcontextprotocol/create-typescript-server
    Scaffold for TypeScript MCP servers

    Added: November 18, 2024

    ★ 171 on GitHub

    Open repo
  • RAG & memory
    MarkItDown
    Converts files and office documents to Markdown for LLM pipelines

    Added: November 13, 2024

    ★ 185.2k on GitHub

    Open repo
  • Agent frameworks
    AG2
    Open-source AgentOS multi-agent framework (AutoGen lineage)

    Added: November 11, 2024

    ★ 4.9k on GitHub

    Open repo
  • MCP servers & runtimes
    stripe/agent-toolkit
    Stripe agent toolkit with MCP server support

    Added: November 11, 2024

    ★ 1.8k on GitHub

    Open repo
  • Agent tools & crawlers
    browser-use
    Library that lets AI agents operate a real browser

    Added: October 31, 2024

    ★ 115k on GitHub

    Learn more

    Open repo
  • Agent UIs & chat
    Roo Code
    AI-powered autonomous coding agent for VS Code

    Added: October 31, 2024

    ★ 24.3k on GitHub

    Open repo
  • MCP servers & runtimes
    MCP Inspector
    Visual debugger/inspector for MCP servers

    Added: October 3, 2024

    ★ 10.9k on GitHub

    Open repo
  • RAG & memory
    LightRAG
    Simple, fast graph-based retrieval-augmented generation

    Added: October 2, 2024

    ★ 39.7k on GitHub

    Open repo
  • Protocols & SDKs
    MCP Specification
    Official MCP specification and protocol docs

    Added: September 24, 2024

    ★ 9.2k on GitHub

    Learn more

    Open repo
  • Agent UIs & chat
    Void
    Open-source Cursor-like AI code editor

    Added: September 11, 2024

    ★ 28.8k on GitHub

    Open repo
  • MCP servers & runtimes
    anthropics/anthropic-quickstarts
    Anthropic quickstarts including computer-use patterns

    Added: August 29, 2024

    ★ 17.7k on GitHub

    Open repo
  • RAG & memory
    Graphiti
    Real-time temporal knowledge graphs for agent memory

    Added: August 8, 2024

    ★ 31k on GitHub

    Open repo
  • Agent frameworks
    Mastra
    TypeScript agent framework with workflows, memory, and tools

    Added: August 6, 2024

    ★ 28.1k on GitHub

    Open repo
  • RAG & memory
    Docling
    Document conversion toolkit for PDFs and office files

    Added: July 9, 2024

    ★ 66.6k on GitHub

    Open repo
  • Agent frameworks
    Eliza
    Multi-agent framework for autonomous character agents

    Added: July 9, 2024

    ★ 19.4k on GitHub

    Open repo
  • Agent UIs & chat
    Cline
    Autonomous coding agent extension for VS Code

    Added: July 6, 2024

    ★ 68.6k on GitHub

    Open repo
  • Eval & observability
    RAGChecker
    Fine-grained diagnosis and evaluation for RAG systems

    Added: June 24, 2024

    ★ 1.1k on GitHub

    Open repo
  • Agent frameworks
    PydanticAI
    Type-safe Python agent framework from the Pydantic team

    Added: June 21, 2024

    ★ 20k on GitHub

    Learn more

    Open repo
  • RAG & memory
    pgai
    PostgreSQL extension tooling for AI and RAG workflows

    Added: May 16, 2024

    ★ 5.8k on GitHub

    Open repo
  • Agent tools & crawlers
    Crawl4AI
    LLM-friendly web crawler and scraper designed for AI agents and RAG

    Added: May 9, 2024

    ★ 83.8k on GitHub

    Open repo
  • RAG & memory
    sqlite-vec
    Vector search extension for SQLite

    Added: April 20, 2024

    ★ 8.1k on GitHub

    Open repo
  • Agent tools & crawlers
    Firecrawl
    Crawler/API that turns websites into LLM-ready markdown

    Added: April 15, 2024

    ★ 181.8k on GitHub

    Learn more

    Open repo
  • Open models & serving
    mistral-common
    Shared tokenization and tools for Mistral models

    Added: April 15, 2024

    ★ 946 on GitHub

    Open repo
  • Agent tools & crawlers
    jina-reader
    Converts any URL into LLM-friendly text

    Added: April 10, 2024

    ★ 12k on GitHub

    Open repo
  • Open models & serving
    llm.c
    LLM training in pure C/CUDA

    Added: April 8, 2024

    ★ 31k on GitHub

    Open repo
  • MCP servers & runtimes
    PrefectHQ/fastmcp
    FastMCP server/client framework

    Added: April 8, 2024

    ★ 27.7k on GitHub

    Learn more

    Open repo

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