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Prompts.chat

Updated Jul 7, 2026

prompts.chat by Fatih Arslan is the world's largest open-source prompt library — 143k+ GitHub stars, featured in Forbes, referenced by Harvard and Columbia. Contains 200+ role-based system prompts for ChatGPT, Claude, Gemini, and others. Also available as a Claude Code plugin, MCP server, and self-hostable web app.

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What it does

/plugin marketplace add f/prompts.chat
Install the prompts.chat Claude Code plugin to search and apply 200+ role prompts from within your agent session.
MCP server at https://prompts.chat/api/mcp
Connect the prompts.chat MCP server to any MCP-compatible client for programmatic prompt discovery and retrieval.
npx prompts.chat
Browse and copy prompts from the CLI.

Files (1)

OVERVIEW.mdprimary · markdown · 1.5 KB

## What it does

prompts.chat is the world's largest open-source prompt library — 143k+ GitHub stars, the most-liked dataset on Hugging Face, referenced by Harvard and Columbia, and endorsed by OpenAI co-founders Greg Brockman and Wojciech Zaremba. It contains 200+ curated role-based system prompts that configure AI models to behave as specific experts: social media manager, SEO specialist, content strategist, copywriter, data analyst, advertiser, financial advisor, and many more. Prompts work with ChatGPT, Claude, Gemini, Llama, Mistral, and other models. Also available as a Claude Code plugin (install with one command), an MCP server (remote or local), a CLI, and a self-hostable web app with custom branding.

## Key commands

Browse at https://prompts.chat/prompts — copy any prompt with one click.

Claude Code plugin install:

    /plugin marketplace add f/prompts.chat
    /plugin install prompts.chat@prompts.chat

MCP server (remote, recommended):

    { "mcpServers": { "prompts.chat": { "url": "https://prompts.chat/api/mcp" } } }

MCP server (local):

    { "mcpServers": { "prompts.chat": { "command": "npx", "args": ["-y", "prompts.chat", "mcp"] } } }

CLI:

    npx prompts.chat

## When to use

Use this when you want a fast, one-click way to configure an AI model as a specific professional expert without writing the system prompt yourself. Particularly useful for social media, marketing, writing, and SEO roles. For recurring work, install the Claude Code plugin so the prompts are searchable from within your agent session.