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Polarity MCP Server

local only

Polarity runs on your own machine — the client starts it, so there is no endpoint to ping. 30 installs a week from npm.

Real-time threat intelligence lookups and IOC parsing from your self-hosted Polarity instance.

Installs per day peak 15 · avg 5 · +60% w/w
a month agotoday
30
Installs / week
npm · @polarityio/mcp-connector
Stars
on GitHub
Last commit
0 releases in 90 days
License
language unknown

Nothing serious here today

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

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

This one needs environment variables set before it will start: POLARITY_SERVER_URL (The base URL of your Polarity server, e.g. https://polarity.yourcompany.com), POLARITY_TOKEN (A Polarity API key. Generate one in Polarity under Settings > API Keys.), POLARITY_IGNORE_SSL (Set to 'true' if your Polarity server uses a self-signed certificate.), POLARITY_TIMEOUT_MS (Timeout in milliseconds for Polarity API requests. Defaults to 30000 (30 seconds). Increase for slow integrations.). The author declared them in the registry entry; get the values from the project itself.

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Polarity — questions

Answers built from our own checks of this server.

Why is there no uptime for Polarity?
Polarity 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 @polarityio/mcp-connector was installed 30 times last week.
How do I connect Polarity?
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 @polarityio/mcp-connector straight from npm; nothing to host, nothing to sign up for.
How many people use Polarity?
The npm package @polarityio/mcp-connector was installed 30 times in the last week. Week over week that is +60%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.