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Tool Filter MCP Server

by respawn-app Your server? Claim it
local only

Tool Filter MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 422 installs a week from npm.

MCP proxy server that filters tools from upstream MCP servers via regex-based deny list

Installs per day peak 272 · avg 69 · +530% w/w
a month agotoday
422
Installs / week
npm · @respawn-app/tool-filter-mcp
—
Stars
on GitHub
—
Last commit
0 releases in 90 days
—
License
language unknown

Nothing serious here today

Today is the operative word: we check Tool Filter MCP 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 tool-filter-mcp -- npx -y @respawn-app/tool-filter-mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "tool-filter-mcp": {
      "args": [
        "-y",
        "@respawn-app/tool-filter-mcp"
      ],
      "command": "npx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.tool-filter-mcp]
command = "npx"
args = ["-y", "@respawn-app/tool-filter-mcp"]
.cursor/mcp.json
{
  "mcpServers": {
    "tool-filter-mcp": {
      "args": [
        "-y",
        "@respawn-app/tool-filter-mcp"
      ],
      "command": "npx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "tool-filter-mcp": {
      "args": [
        "-y",
        "@respawn-app/tool-filter-mcp"
      ],
      "command": "npx"
    }
  }
}

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Tool Filter MCP — questions

Answers built from our own checks of this server.

Why is there no uptime for Tool Filter MCP?
Tool Filter 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 @respawn-app/tool-filter-mcp was installed 422 times last week.
How do I connect Tool Filter 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 @respawn-app/tool-filter-mcp straight from npm; nothing to host, nothing to sign up for.
How many people use Tool Filter MCP?
The npm package @respawn-app/tool-filter-mcp was installed 422 times in the last week. Week over week that is +530%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.