mcpbeat

Open Primitive MCP Server

io.github.writesdavid/open-primitive
local only

Open Primitive runs on your own machine — the client starts it, so there is no endpoint to ping. 32 installs a week from npm. Last commit 25 Apr 2026.

33 tools, 30 US federal data domains. Ed25519 signed, provenance chains, entity graph. Free.

Installs per day peak 25 · avg 6 · -11% w/w
a month agotoday
32
Installs / week
npm · open-primitive-mcp
1
Stars
0 open issues
25 Apr 2026
Last commit
0 releases in 90 days
MIT
License
JavaScript

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 open-primitive -- npx -y open-primitive-mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "open-primitive": {
      "args": [
        "-y",
        "open-primitive-mcp"
      ],
      "command": "npx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.open-primitive]
command = "npx"
args = ["-y", "open-primitive-mcp"]
.cursor/mcp.json
{
  "mcpServers": {
    "open-primitive": {
      "args": [
        "-y",
        "open-primitive-mcp"
      ],
      "command": "npx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "open-primitive": {
      "args": [
        "-y",
        "open-primitive-mcp"
      ],
      "command": "npx"
    }
  }
}

Open Primitive — questions

Answers built from our own checks of this server.

Why is there no uptime for Open Primitive?
Open Primitive 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 open-primitive-mcp was installed 32 times last week.
How do I connect Open Primitive?
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 open-primitive-mcp straight from npm; nothing to host, nothing to sign up for.
How many people use Open Primitive?
The npm package open-primitive-mcp was installed 32 times in the last week. Week over week that is -11%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Open Primitive open source?
Yes — it is published under the MIT licence, written in JavaScript and 1 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.