AT Protocol MCP Server

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AT Protocol MCP ServerComprehensive LLM Integration

Enable LLMs to interact directly with the AT Protocol ecosystem through a powerful Model Context Protocol server

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Complete AT Protocol Integration

Full implementation using official @atproto/api with support for all major AT Protocol operations including posts, follows, likes, and real-time data streams.

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MCP Server Compliance

Built with @modelcontextprotocol/sdk following the official MCP specification, ensuring compatibility with all MCP-compatible LLM clients.

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Type-Safe & Secure

Written in TypeScript with strict type checking, comprehensive input validation, and secure authentication flows for production use.

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High Performance

Optimized for performance with connection pooling, intelligent caching, rate limiting, and efficient data processing pipelines.

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Extensible Architecture

Modular design allows easy customization and extension with custom tools, resources, and prompts for specific use cases.

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Comprehensive Documentation

Detailed documentation with examples, API reference, troubleshooting guides, and best practices for integration.

Quick Start ​

Get up and running with the AT Protocol MCP Server in minutes:

bash
# Install globally
npm install -g atproto-mcp

# Start the server
atproto-mcp --port 3000

# Or use with npx
npx atproto-mcp

Key Features ​

🌐 Social Operations ​

  • Create posts with rich text, images, and embeds
  • Reply to posts with proper threading
  • Like, repost, and manage reactions
  • Follow and unfollow users
  • Access timelines and feeds

📊 Data Retrieval ​

  • Search posts and content across the network
  • Retrieve user profiles and information
  • Access follower and following lists
  • Get real-time notifications
  • Stream live data updates

🔐 Authentication ​

  • Secure OAuth flow implementation
  • App password support for development
  • Session management and token refresh
  • Multi-account support

🛠️ Developer Experience ​

  • TypeScript with full type safety
  • Comprehensive error handling
  • Detailed logging and monitoring
  • Hot reloading for development
  • Extensive test coverage

Architecture ​

The AT Protocol MCP Server bridges the gap between LLMs and the AT Protocol ecosystem:

Use Cases ​

  • Social Media Automation: Automate posting, engagement, and content management
  • Content Analysis: Analyze social media trends and user behavior
  • Community Management: Manage communities and moderate content
  • Data Integration: Integrate AT Protocol data with other systems
  • Research & Analytics: Conduct social media research and analytics
  • Bot Development: Create intelligent social media bots

Community ​

Join our growing community of developers building with the AT Protocol:

License ​

Released under the MIT License.

Released under the MIT License.

Copyright © 2025 Cameron Rye