jenkins-mcp-connector

name	jenkins-mcp-connector
description	MCP connector for Jenkins CI/CD – enables AI-powered build management, pipeline configuration, and job administration through Claude
license	MIT
tags	["dev","ci-cd","mcp","jenkins","automation"]
difficulty	advanced
time_to_master	4-8 weeks
version	1.0.0

Jenkins MCP Connector

Overview

This skill enables Claude to interact with Jenkins through the Model Context Protocol (MCP). It provides a bridge between Claude's AI capabilities and Jenkins's REST API, allowing natural language control of Jenkins operations, intelligent automation, and AI-powered assistance for Jenkins workflows.

When to Use This Skill

• Jenkinsfile and pipeline creation via natural language
• Build trigger and parameter configuration
• Build log analysis and failure diagnosis
• Plugin management and configuration
• Job and folder organization

Architecture

┌─────────────┐     ┌─────────────────┐     ┌──────────────────┐
│   Claude     │────▶│   MCP Server    │────▶│   Jenkins          │
│   (Client)   │◀────│   (TypeScript)  │◀────│   (REST API      )│
└─────────────┘     └─────────────────┘     └──────────────────┘

Core Concepts

MCP Server Setup

The connector implements an MCP server that exposes Jenkins operations as tools Claude can invoke. The server translates natural language intentions into REST API calls.

Key Endpoints/Interfaces

/api/json, /job/:name/build, /job/:name/config.xml, /pluginManager/api, /queue/api

Implementation

// Jenkins MCP Server Implementation
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import { z } from "zod";

const server = new McpServer({
  name: "jenkins-mcp-connector",
  version: "1.0.0",
});

// Tool: List/Query Resources
server.tool(
  "list_resources",
  "List and query Jenkins resources with optional filters",
  {
    query: z.string().optional().describe("Search query or filter"),
    limit: z.number().optional().describe("Max results to return"),
  },
  async ({ query, limit }) => {
    // Call Jenkins REST API
    const response = await fetch(`${BASE_URL}/api/json`, {
      headers: { "Authorization": `Bearer ${API_KEY}` },
    });
    const data = await response.json();
    return {
      : [{ : , : .(data, , ) }],
    };
  }
);


server.(
  ,
  ,
  {
    : z.().(),
    : z.({}).().().(),
  },
   ({ name, config }) => {
     response =  (, {
      : ,
      : {
        : ,
        : ,
      },
      : .({ name, ...config }),
    });
     data =  response.();
     {
      : [{ : , :  }],
    };
  }
);


server.(
  ,
  ,
  {
    : z.().(),
    : z.().().(),
  },
   ({ , timeframe }) => {
    
     response =  (, {
      : { :  },
    });
     data =  response.();
     {
      : [{ : , : .(data, , ) }],
    };
  }
);


 transport =  ();
 server.(transport);

Claude Desktop Configuration

{
  "mcpServers": {
    "jenkins-mcp-connector": {
      "command": "node",
      "args": ["path/to/jenkins-mcp-connector/index.js"],
      "env": {
        "JENKINS_API_KEY": "your-api-key",
        "JENKINS_BASE_URL": "https://your-instance-url"
      }
    }
  }
}

Best Practices

1. Authentication: Store API keys securely using environment variables; never hardcode credentials
2. Rate Limiting: Implement request throttling to respect Jenkins API rate limits
3. Error Handling: Provide clear, actionable error messages for common failure scenarios
4. Pagination: Handle paginated responses for large datasets efficiently
5. Caching: Cache frequently accessed read-only data to reduce API calls
6. Security: Validate all inputs before passing to the Jenkins API; sanitize outputs
7. Logging: Log all API interactions for debugging and audit purposes

Example Prompts

"Create a multi-branch pipeline for the microservice with build, test, and deploy stages"

Security Considerations

• All API credentials must be stored as environment variables
• Implement input validation and sanitization for all tool parameters
• Use HTTPS for all API communications
• Follow the principle of least privilege for API token permissions
• Audit log all write operations for compliance tracking

Resources

• Jenkins Official Documentation
• MCP SDK Documentation: https://modelcontextprotocol.io
• MCP Server Examples: https://github.com/modelcontextprotocol/servers
• SkillGalaxy Repository: https://github.com/Sandeeprdy1729/skill_galaxy

Changelog

Version	Date	Changes
1.0.0	2026-04-01	Initial MCP connector skill

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