Who uses it

Open source repos that use MCP and React

10 public repos that SeeRepo read use MCP and React.

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Where MCP and React meet

MCP + React10 repos
  • MCP
  • React

The repos, by stars

  1. 1.
    deepseek-ai/deepseek-harness

    DeepSeek Harness: Everything is a Plugin.

    TypeScript+1262.6kAI 12.9%What it’s built withThe AI
  2. 2.
    react/react

    The library for web and native user interfaces.

    JavaScript251.9kAI 0.2%What it’s built withThe AI
  3. 3.
    shadcn-ui/ui

    Composable, accessible components with thoughtful defaults. Build your own component library with code you can customize, extend, and make your own.

    TypeScript+2126.6kAI 3%What it’s built withThe AI
  4. 4.
    supabase/supabase

    The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

    TypeScript+9114.1kAI 1.9%What it’s built withThe AI
  5. 5.
    thedotmack/claude-mem

    Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Codex, Gemini, Hermes, Copilot, OpenCode + More

    TypeScript+2103.5kAI 61.1%What it’s built withThe AI
  6. 6.
    ChatGPTNextWeb/NextChat

    ✨ Zero-config AI chat assistant. No API key needed — sign up and instantly chat with GPT-5, Claude 4, Gemini 2.5, DeepSeek & 100+ top models. Pay-as-you-go saves you more. Available on Web, iOS, macOS, Android, Linux, Windows.

    TypeScript88.9kAI 1.9%What it’s built withThe AI
  7. 7.
    ruvnet/ruflo

    🌊 The original agent harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI systems. Features adaptive memory, self-learning intelligence, federation, vector RAG integration, and native Claude Code / Codex / Hermes and many more Integrated

    TypeScript+579.7kAI 36.2%What it’s built withThe AI
  8. 8.
    cline/cline

    Autonomous coding agent as an SDK, IDE extension, or CLI assistant.

    TypeScript+270.9kAI 2.2%What it’s built withThe AI
  9. 9.
    code-yeongyu/oh-my-openagent

    OmO: Just type "mass ulw" keyword with your prompt. Now you are the master of graph engineering.

    TypeScript70.4kAI 3.8%What it’s built withThe AI
  10. 10.
    Mintplex-Labs/anything-llm

    Stop renting your intelligence. Own it with AnythingLLM. Everything you need for a powerful local-first agent experience

    JavaScript+367.6kAI 0.4%What it’s built with

Frequently asked questions

What is the most popular open source repo that uses MCP and React?
deepseek-ai/deepseek-harness, with 262,598 stars on GitHub.
The proof: deepseek-ai/deepseek-harness on GitHub
What languages are the repos that use MCP and React written in?
TypeScript (8) and JavaScript (2).
How many repos that use MCP and React have commits signed by AI?
10 of the 10; the most, thedotmack/claude-mem, with 61.1% of its commits.
The proof: the commits each tool signed in thedotmack/claude-mem

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