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Linear MCP Server

by cosmix
npmGitHub
TypeScript
MIT License
12
22
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  • Linux
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remote-capable server

The server can be hosted and run remotely because it primarily relies on remote services or has no dependency on the local environment.

Integrations

  • Allows access to Linear's issue tracking system, enabling users to create, update, search, and delete issues, add comments, retrieve projects and team information, manage labels, and track parent/child relationships among issues.

Linear MCP Server

A Model Context Protocol (MCP) server implementation that provides access to Linear's issue tracking system through a standardized interface.

Features

  • Create new issues and subissues with label support
  • Retrieve the list of linear projects
  • Retrieve the project updates
  • Create a new project update with health status
  • Update existing issues with full field modification
  • Delete issue with validation
  • Self-assign issues using 'me' keyword
  • Advanced search with Linear's powerful filtering capabilities
  • Filter issues by cycle (current, next, previous, or specific cycle by UUID or number)
  • Add comments to issues with markdown support
  • Query Linear issues by ID or key with optional relationships
  • Search issues using custom queries with enhanced metadata
  • Type-safe operations using Linear's official SDK
  • Comprehensive error handling
  • Rate limit handling
  • Clean data transformation
  • Parent/child relationship tracking with team inheritance
  • Label management and synchronization

Prerequisites

  • Bun runtime (v1.0.0 or higher)
  • Linear account with API access

Environment Variables

LINEAR_API_KEY=your_api_key # Your Linear API token

Installation & Setup

1. Clone the repository:

git clone [repository-url] cd linear-mcp

2. Install dependencies and build:

bun install bun run build

3. Configure the MCP server:

Edit the appropriate configuration file:

macOS:

  • Cline: ~/Library/Application Support/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
  • Claude Desktop: ~/Library/Application Support/Claude/claude_desktop_config.json

Windows:

  • Cline: %APPDATA%\Code\User\globalStorage\saoudrizwan.claude-dev\settings\cline_mcp_settings.json
  • Claude Desktop: %APPDATA%\Claude Desktop\claude_desktop_config.json

Linux:

  • Cline: ~/.config/Code/User/globalStorage/saoudrizwan.claude-dev/settings/cline_mcp_settings.json
  • Claude Desktop: sadly doesn't exist yet

Add the following configuration under the mcpServers object:

{ "mcpServers": { "linear": { "command": "node", "args": ["/absolute/path/to/linear-mcp/build/index.js"], "env": { "LINEAR_API_KEY": "your_api_key" } } } }

4. Restart the MCP server.

Within Cline's MCP settings, restart the MCP server. Restart Claude Desktop to load the new MCP server.

Development

Run development server:

bun run dev

Build project:

bun run build

Available MCP Tools

For detailed usage examples of all tools, see USAGE.md.

create_issue

Create a new Linear issue or subissue.

Input Schema:

{ "teamId": "string", "title": "string", "description": "string", "parentId": "string", "status": "string", "priority": "number", "assigneeId": "string | 'me'", "labelIds": ["string"] }

update_issue

Update an existing Linear issue.

Input Schema:

{ "issueId": "string", "title": "string", "description": "string", "status": "string", "priority": "number", "assigneeId": "string | 'me'", "labelIds": ["string"], "cycleId": "string" }

get_issue

Get detailed information about a specific Linear issue with optional relationships.

Input Schema:

{ "issueId": "string", "includeRelationships": "boolean" }

search_issues

Search for Linear issues using a query string and advanced filters. Supports Linear's powerful filtering capabilities.

Input Schema:

{ "query": "string", "includeRelationships": "boolean", "filter": { "title": { "contains": "string", "eq": "string", ... }, "description": { "contains": "string", "eq": "string", ... }, "priority": { "gte": "number", "lt": "number", ... }, "estimate": { "eq": "number", "in": ["number"], ... }, "dueDate": { "lt": "string", "gt": "string", ... }, "createdAt": { "gt": "P2W", "lt": "2024-01-01", ... }, "updatedAt": { "gt": "P1M", ... }, "completedAt": { "null": true, ... }, "assignee": { "id": { "eq": "string" }, "name": { "contains": "string" } }, "creator": { "id": { "eq": "string" }, "name": { "contains": "string" } }, "team": { "id": { "eq": "string" }, "key": { "eq": "string" } }, "state": { "type": { "eq": "started" }, "name": { "eq": "string" } }, "labels": { "name": { "in": ["string"] }, "every": { "name": { "eq": "string" } } }, "project": { "id": { "eq": "string" }, "name": { "contains": "string" } }, "and": [{ /* filters */ }], "or": [{ /* filters */ }], "assignedTo": "string | 'me'", "createdBy": "string | 'me'" }, "projectId": "string", "projectName": "string" }

Supported Comparators:

  • String fields: eq, neq, in, nin, contains, startsWith, endsWith (plus case-insensitive variants)
  • Number fields: eq, neq, lt, lte, gt, gte, in, nin
  • Date fields: eq, neq, lt, lte, gt, gte (supports ISO 8601 durations)

get_teams

Get a list of Linear teams with optional name/key filtering.

Input Schema:

{ "nameFilter": "string" }

delete_issue

Delete an existing Linear issue.

Input Schema:

{ "issueId": "string" }

create_comment

Create a new comment on a Linear issue.

Input Schema:

{ "issueId": "string", "body": "string" }

get_projects

Get a list of Linear projects with optional name filtering and pagination.

Input Schema:

{ "nameFilter": "string", "includeArchived": "boolean", "first": "number", "after": "string" }

get_project_updates

Get project updates for a given project ID with optional filtering parameters.

Input Schema:

{ "projectId": "string", "includeArchived": "boolean", "first": "number", "after": "string", "createdAfter": "string", "createdBefore": "string", "userId": "string | 'me'", "health": "string" }

create_project_update

Create a new update for a Linear project.

Input Schema:

{ "projectId": "string", "body": "string", "health": "onTrack | atRisk | offTrack", "isDiffHidden": "boolean" }

Technical Details

  • Built with TypeScript in strict mode
  • Uses Linear's official SDK (@linear/sdk)
  • Uses MCP SDK (@modelcontextprotocol/sdk 1.4.0)
  • Authentication via API tokens
  • Comprehensive error handling
  • Rate limiting considerations
  • Bun runtime for improved performance
  • ESM modules throughout
  • Vite build system
  • Type-safe operations
  • Data cleaning features:
    • Issue mention extraction (ABC-123 format)
    • User mention extraction (@username format)
    • Markdown content cleaning
    • Content optimization for AI context
  • Self-assignment support:
    • Automatic current user resolution
    • 'me' keyword support in create/update operations
    • Efficient user ID caching
  • Advanced search capabilities:
    • Comprehensive filtering with Linear's API
    • Support for all field comparators
    • Relationship filtering
    • Logical operators (and, or)
    • Relative date filtering
    • Filter by assignee/creator (including self)
    • Support for specific user IDs
    • Project filtering by ID or name
    • Efficient query optimization
  • Project management features:
    • Project listing with filtering and pagination
    • Project update creation with health status tracking
    • Project update retrieval with filtering options

Error Handling

The server implements a comprehensive error handling strategy:

  • Network error detection and appropriate messaging
  • HTTP status code handling
  • Detailed error messages with status codes
  • Error details logging to console
  • Input validation for all parameters
  • Label validation and synchronization
  • Safe error propagation through MCP protocol
  • Rate limit detection and handling
  • Authentication error handling
  • Invalid query handling
  • Team inheritance validation for subissues
  • User resolution validation
  • Search filter validation

LICENCE

This project is licensed under the MIT License - see the LICENCE file for details.

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A
security – no known vulnerabilities
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license - permissive license
A
quality - confirmed to work

Provides a Model Context Protocol interface for accessing Linear's issue tracking system, enabling users to query and search issues with TypeScript type safety and robust error handling.

  1. Features
    1. Prerequisites
      1. Environment Variables
        1. Installation & Setup
          1. 1. Clone the repository:
          2. 2. Install dependencies and build:
          3. 3. Configure the MCP server:
          4. 4. Restart the MCP server.
        2. Development
          1. Available MCP Tools
            1. create_issue
            2. update_issue
            3. get_issue
            4. search_issues
            5. get_teams
            6. delete_issue
            7. create_comment
            8. get_projects
            9. get_project_updates
            10. create_project_update
          2. Technical Details
            1. Error Handling
              1. LICENCE

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