Add Mackerel MCP Server

[tjmtmmnk]

---

name: Add a new MCP server
about: Requests for adding a new MCP server to the Docker Catalog
title: "Mackerel MCP Server"
labels: submission
assignees: ""

MCP Server Information

Server Name: Mackerel MCP Server
Repository URL: https://github.com/mackerelio-labs/mcp-server
Brief Description: Official Mackerel MCP Server. Interact with Mackerel over the Mackerel API . Retrieve metrics, traces, alerts and more.

Basic Requirements

• Open Source: Apache-2.0
• MCP Compliant: Implements MCP API specification
• Active Development: Recent commit was created on Nov 28, 2025
• Docker Artifact: ghcr.io/mackerelio-labs/mcp-server
• Documentation: Basic README and setup instructions
• Security Contact: Method for reporting security issues

Submitter Checklist

• This server meets the basic requirements listed above
• I understand this will undergo automated and manual review.
• I have tested the MCP Server using task validate -- --name mackerel
• I have built the MCP Server using task build -- --tools SERVER_NAME
  • We use ghcr.io, so I confirmed by this command task build -- --tools --pull-community mackerel
• If the server requires credentials to test it, I have shared test credentials using this form