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Esm MCP Server

local only

Esm MCP runs on your own machine — the client starts it, so there is no endpoint to ping.

esm.sh CDN: resolve npm package versions and browse module files. No key required.

The linked repository no longer exists on GitHub — it was deleted or made private.

Installs / week
npm · esm-mcp
Stars
on GitHub
Last commit
0 releases in 90 days
License
language unknown

This one has been quiet for a while

Quiet is not dead — but it is worth knowing when it wakes up, or when someone else takes it over. We watch the repository and tell you either way.

Three servers free · no card

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.

run in your terminal
claude mcp add esm-mcp -- npx -y esm-mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "esm-mcp": {
      "args": [
        "-y",
        "esm-mcp"
      ],
      "command": "npx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.esm-mcp]
command = "npx"
args = ["-y", "esm-mcp"]
.cursor/mcp.json
{
  "mcpServers": {
    "esm-mcp": {
      "args": [
        "-y",
        "esm-mcp"
      ],
      "command": "npx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "esm-mcp": {
      "args": [
        "-y",
        "esm-mcp"
      ],
      "command": "npx"
    }
  }
}

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Esm MCP — questions

Answers built from our own checks of this server.

Why is there no uptime for Esm MCP?
Esm MCP 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 esm-mcp.
Is Esm MCP still maintained?
The linked repository no longer exists on GitHub — it was deleted or made private. We show this because it changes what you can expect: an unmaintained server may keep answering for months and then stop without warning.
How do I connect Esm MCP?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls esm-mcp straight from npm; nothing to host, nothing to sign up for.