linear-mcp

linear-mcp

3.9

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An MCP server for interacting with Linear's API, providing tools for managing Linear issues, projects, and teams through Cline.

Linear MCP Server

An MCP server for interacting with Linear's API. This server provides a set of tools for managing Linear issues, projects, and teams through Cline.

Setup Guide

1. Environment Setup

  1. Clone the repository
  2. Install dependencies:
    npm install
    
  3. Copy .env.example to .env:
    cp .env.example .env
    

2. Authentication

The server supports two authentication methods:

API Key (Recommended)
  1. Go to Linear Settings
  2. Navigate to the "Security & access" section
  3. Find the "Personal API keys" section
  4. Click "New API key"
  5. Give the key a descriptive label (e.g. "Cline MCP")
  6. Copy the generated token immediately
  7. Add the token to your .env file:
    LINEAR_API_KEY=your_api_key
    
OAuth Flow (Alternative) NOT IMPLEMENTED
  1. Create an OAuth application at https://linear.app/settings/api/applications
  2. Configure OAuth environment variables in .env:
    LINEAR_CLIENT_ID=your_oauth_client_id
    LINEAR_CLIENT_SECRET=your_oauth_client_secret
    LINEAR_REDIRECT_URI=http://localhost:3000/callback
    

3. Running the Server

  1. Build the server:
    npm run build
    
  2. Start the server:
    npm start
    

4. Cline Integration

  1. Open your Cline MCP settings file:

    • macOS: ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
    • Windows: %APPDATA%/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
    • Linux: ~/.config/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
  2. Add the Linear MCP server configuration:

    {
      "mcpServers": {
        "linear": {
          "command": "node",
          "args": ["/path/to/linear-mcp/build/index.js"],
          "env": {
            "LINEAR_API_KEY": "your_personal_access_token"
          },
          "disabled": false,
          "autoApprove": []
        }
      }
    }
    

Available Actions

The server currently supports the following operations:

Issue Management

  • ✅ Create issues with full field support (title, description, team, project, etc.)
  • ✅ Update existing issues (priority, description, etc.)
  • ✅ Delete issues (single or bulk deletion)
  • ✅ Search issues with filtering
  • ✅ Associate issues with projects
  • ✅ Create parent/child issue relationships

Project Management

  • ✅ Create projects with associated issues
  • ✅ Get project information
  • ✅ Associate issues with projects

Team Management

  • ✅ Get team information (with states and workflow details)
  • ✅ Access team states and labels

Authentication

  • ✅ API Key authentication
  • ✅ Secure token storage

Batch Operations

  • ✅ Bulk issue creation
  • ✅ Bulk issue deletion

Bulk Updates (In Testing)

  • 🚧 Bulk issue updates (parallel processing implemented, needs testing)

Features in Development

The following features are currently being worked on:

Issue Management

  • 🚧 Comment functionality (add/edit comments, threading)
  • 🚧 Complex search filters
  • 🚧 Pagination support for large result sets

Metadata Operations

  • 🚧 Label management (create/update/assign)
  • 🚧 Cycle/milestone management

Project Management

  • 🚧 Project template support
  • 🚧 Advanced project operations

Authentication

  • 🚧 OAuth flow with automatic token refresh

Performance & Security

  • 🚧 Rate limiting
  • 🚧 Detailed logging
  • 🚧 Load testing and optimization

Development

# Install dependencies
npm install

# Run tests
npm test

# Run integration tests (requires LINEAR_API_KEY)
npm run test:integration

# Build the server
npm run build

# Start the server
npm start

Integration Testing

Integration tests verify that authentication and API calls work correctly:

  1. Set up authentication (API Key recommended for testing)
  2. Run integration tests:
    npm run test:integration
    

For OAuth testing:

  1. Configure OAuth credentials in .env
  2. Remove .skip from OAuth tests in src/__tests__/auth.integration.test.ts
  3. Run integration tests