MainframeKit MCP Server

by vidyutsaha1210 Your server? Claim it

local only

MainframeKit runs on your own machine — the client starts it, so there is no endpoint to ping. 615 installs a week from npm.

Mainframe help, no mainframe needed: check JCL and DFSORT, explain abends, lay out copybooks.

Installs per day peak 433 · avg 30

a month agotoday

615

Installs / week

npm · mainframekit-mcp

—

Stars

on GitHub

—

Last commit

5 releases in 90 days

—

License

language unknown

Nothing serious here today

Today is the operative word: we check MainframeKit every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add mainframekit -- npx -y mainframekit-mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mainframekit": {
      "command": "npx",
      "args": [
        "-y",
        "mainframekit-mcp"
      ]
    }
  }
}

~/.codex/config.toml

[mcp_servers.mainframekit]
command = "npx"
args = ["-y", "mainframekit-mcp"]

.cursor/mcp.json

{
  "mcpServers": {
    "mainframekit": {
      "command": "npx",
      "args": [
        "-y",
        "mainframekit-mcp"
      ]
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "mainframekit": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mainframekit-mcp"
      ]
    }
  }
}

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MainframeKit — questions

Answers built from our own checks of this server.

Why is there no uptime for MainframeKit?

MainframeKit runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the npm package mainframekit-mcp was installed 615 times last week.

How do I connect MainframeKit?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It runs locally, so the command pulls mainframekit-mcp straight from npm; nothing to host, nothing to sign up for.

How many people use MainframeKit?

The npm package mainframekit-mcp was installed 615 times in the last week. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.