Jenkins MCP Server

🚀 AI-powered Jenkins management via Model Context Protocol. Trigger builds, manage jobs, and monitor CI/CD pipelines through your favorite AI assistant.

� Installation

Option 1: Global Installation (Recommended)

npm install -g jenkins-mcp-server

Option 2: Local Installation

npm install jenkins-mcp-server

Option 3: Use with npx (No Installation)

npx jenkins-mcp-server

⚙️ Configuration

Set required environment variables:

export JENKINS_URL="http://your-jenkins-instance:8080"
export JENKINS_USERNAME="your-username"
export JENKINS_API_TOKEN="your-api-token"

Getting Jenkins API Token

1. Login to Jenkins → Click your username → Configure
2. Under "API Token" → Add new Token → Generate
3. Copy the token and use it as JENKINS_API_TOKEN

🤖 MCP Client Setup

GitHub Copilot (VS Code)

Add to mcp.json:

{
    "servers": {
        "jenkins": {
            "command": "npx",
            "args": ["jenkins-mcp-server"],
            "env": {
                "JENKINS_URL": "http://your-jenkins-instance:8080",
                "JENKINS_USERNAME": "your-username",
                "JENKINS_API_TOKEN": "your-api-token"
                // "ALLOW_ABSOLUTE_FILE_PARAMS": 1 // for file parameters with absolute paths 
            }
        }
    }
}

Claude Desktop

Add to claude_desktop_config.json:

{
    "mcpServers": {
        "jenkins": {
            "command": "npx",
            "args": ["jenkins-mcp-server"],
            "env": {
                "JENKINS_URL": "http://your-jenkins-instance:8080",
                "JENKINS_USERNAME": "your-username",
                "JENKINS_API_TOKEN": "your-api-token",
                // "ALLOW_ABSOLUTE_FILE_PARAMS": 1 // for file parameters with absolute paths 
            }
        }
    }
}

🛠️ Available Tools

Each tool returns a JSON result with success plus additional fields. Provide arguments as an object when invoking via an MCP client.

Build Management

triggerBuild – Start a job build (supports file + regular parameters) Inputs:

• jobFullName (string, required)
• parameters (object, optional) – Key/value map. Any value that is a valid local file path is uploaded as a file parameter.

File Parameter Security: By default, only relative file paths are allowed. To enable absolute file paths, set ALLOW_ABSOLUTE_FILE_PARAMS=1 in your environment variables.

Returns: { success, queueId, queueUrl, statusCode, message }

stopBuild – Stop (or force kill) the running build Inputs:

• jobFullName (string, required)
• buildNumber (integer, optional) Returns: { success, action: "stop"|"kill", buildNumber, buildUrl, message }

scheduleBuild – Schedule a build in the future Inputs:

• jobFullName (string, required)
• scheduleTime (string, required) – e.g. 22:15, 10:30 PM, or 2025-12-24 14:30
• parameters (object, optional)

File Parameter Security: By default, only relative file paths are allowed. To enable absolute file paths, set ALLOW_ABSOLUTE_FILE_PARAMS=1 in your environment variables.

Returns: { status, queueUrl }

updateBuild – Update build description (display name not supported via REST) Inputs:

• jobFullName (string, required)
• buildNumber (integer, optional)
• description (string, optional)
• displayName (string, optional, ignored) Returns: { success, buildNumber, updates: [ { field, success, ... } ] }

Job Information

getJob – Job metadata Inputs: jobFullName (string, required)

getBuild – Build details (specific or last) Inputs:

• jobFullName (string, required)
• buildNumber (integer, optional)

getJobs – Paginated job list Inputs:

• parentFullName (string, optional)
• skip (integer, optional, default 0)
• limit (integer, optional, default 10, max 10)

System Monitoring

whoAmI – Current authenticated user Inputs: none

getStatus – Jenkins instance status / health Inputs: none

Artifact Management

listBuildArtifacts – List artifacts for build Inputs:

• jobFullName (string, required)
• buildNumber (integer, optional)

readBuildArtifact – Read artifact content (text or base64) Inputs:

• jobFullName (string, required)
• artifactPath (string, required)
• buildNumber (integer, optional)
• format (string, optional: text | base64)

Queue Operations

cancelQueuedBuild – Cancel queued item(s) Inputs:

• jobFullName (string, required)
• queueId (integer, optional)

getQueueInfo – List queued builds (optionally filtered) Inputs:

• jobFullName (string, optional)

Tip: Ask your AI assistant: "Trigger a build for job X with BRANCH=main" or "List artifacts for latest job X build".

⚡ Usage

After configuration, ask your AI assistant:

• "Check my Jenkins server status"
• "Trigger a build for my-app"
• "Show me the latest build information"
• "List all Jenkins jobs"

📄 License

MIT License - see LICENSE file for details.