A curated collection of Model Context Protocol (MCP) servers designed for integration with conversational agents. This repository provides MCP servers that extend the capabilities of AI assistants with external service integrations.
A comprehensive MCP server for Attio CRM integration, providing full CRUD operations for CRM data management.
Location: servers/attio/
Features:
- Complete workspace introspection and member management
- Record operations for people, companies, deals, and custom objects
- List management and entry operations
- Content management (notes, tasks, comments)
- Schema management and attribute configuration
- Real-time CRM data access and manipulation
View Attio Server Documentation
A versatile MCP server for GraphQL API integration, enabling schema introspection and query execution against any GraphQL endpoint.
Location: servers/graphql/
Features:
- GraphQL schema introspection and discovery
- Query execution with automatic validation
- Mutation execution with safety checks
- Flexible authentication support
- Universal GraphQL API client
- Works with GitHub, Shopify, Contentful, and more
View GraphQL Server Documentation
A powerful MCP server for MotherDuck cloud analytics database integration, providing SQL analytics capabilities for data exploration and analysis.
Location: servers/motherduck/
Features:
- Cloud analytics with full DuckDB SQL dialect support
- Data lake querying (S3, GCS, Azure) without ETL
- Real-time data analysis and exploration
- Complex analytics with window functions and CTEs
- Serverless data processing at scale
- Time series and statistical analysis
View MotherDuck Server Documentation
| Server | Primary Use Case | Key Strengths | Data Sources |
|---|---|---|---|
| Attio | CRM Management | Record CRUD, Relationship mapping, Sales pipeline | Attio CRM platform |
| GraphQL | API Integration | Universal client, Schema discovery, Flexible queries | Any GraphQL API |
| MotherDuck | Data Analytics | SQL analytics, Data lake access, Cloud scale | Cloud databases, Files |
All servers follow a consistent, modern architecture:
- Next.js Framework: Serverless-ready with optimal performance
- TypeScript: Full type safety and excellent developer experience
- MCP Protocol: Standards-compliant Model Context Protocol implementation
- Bearer Token Authentication: Secure, stateless authentication
- Zod Validation: Runtime schema validation for all inputs
- Error Handling: Comprehensive error responses and logging
This is a pnpm monorepo containing multiple MCP servers and shared utilities.
community-mcp/
├── packages/
│ └── shared/ # Shared utilities and response formatting
├── servers/
│ ├── attio/ # Attio CRM integration server
│ ├── graphql/ # GraphQL API integration server
│ └── motherduck/ # MotherDuck analytics server
├── package.json # Root workspace configuration
└── pnpm-workspace.yaml # pnpm workspace settings
pnpm install- Install all dependenciespnpm build- Build all serverspnpm start:attio- Start the Attio server locallypnpm start:graphql- Start the GraphQL server locallypnpm start:motherduck- Start the MotherDuck server locallypnpm clean- Clean all build artifacts and dependencies
Each server can be developed independently:
- Clone the repository
- Install dependencies with
pnpm install - Configure environment variables for the target server
- Run the specific server using the commands above
Each server includes detailed setup instructions in its individual README:
- Attio: Requires Attio API key from workspace settings
- GraphQL: Supports various authentication methods per API
- MotherDuck: Requires MotherDuck access token
Refer to individual server documentation for complete setup guides, authentication details, and usage examples.
This project is licensed under the MIT License. See the LICENSE file for details.