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crowbar MCP Server

by kushvinth Your server? Claim it
local only

crowbar runs on your own machine — the client starts it, so there is no endpoint to ping. 649 installs a week from pypi. Last commit 27 Oct 2026.

Retrieve CVEs and index them inside your codebase. One SQLite+FTS5 index, one CLI, one MCP server.

Installs per day peak 607 · avg 78 · -62% w/w
a month agotoday
649
Installs / week
pypi · crowbar-cli
8
Stars
0 open issues
27 Oct 2026
Last commit
from GitHub
MIT
License
Python

What the code does

We read the source, 5 d ago · rules 995398eba69f

A tool parameter reaches a dangerous call

A value the model can set ends up inside a file or shell call. That is not a flaw by itself — for a terminal server it is the job — but it is where things go wrong when it is not.

A tool parameter reaches a dangerous call cb_search.kev → crowbar/cli.py:164, cb_search.kev → crowbar/cli.py:208
    pick = subprocess.run(
Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

Runs an external command [пакет] crowbar/cli.py:208, [пакет] crowbar/datasets.py:425, [пакет] crowbar/indexer.py:788 и ещё 3
    pick = subprocess.run(
Dumps the whole environment [пакет] crowbar/datasets.py:727, crowbar/datasets.py:942
    env = dict(os.environ, PYTHONPATH=os.pathsep.join(filter(None, (pkg, os.environ.get("PYTHONPATH")))))

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

A tool parameter here reaches a dangerous call

That is not a flaw by itself — but it is where things go wrong when it is not the job. We re-read this code on every release. Watch it and you hear from us the day another one appears.

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 crowbar -- uvx crowbar-cli
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "crowbar": {
      "command": "uvx",
      "args": [
        "crowbar-cli"
      ]
    }
  }
}
~/.codex/config.toml
[mcp_servers.crowbar]
command = "uvx"
args = ["crowbar-cli"]
.cursor/mcp.json
{
  "mcpServers": {
    "crowbar": {
      "command": "uvx",
      "args": [
        "crowbar-cli"
      ]
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "crowbar": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "crowbar-cli"
      ]
    }
  }
}

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crowbar — questions

Answers built from our own checks of this server.

Why is there no uptime for crowbar?
crowbar 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 pypi package crowbar-cli was installed 649 times last week.
How do I connect crowbar?
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 crowbar-cli straight from pypi; nothing to host, nothing to sign up for.
How many people use crowbar?
The pypi package crowbar-cli was installed 649 times in the last week. Week over week that is -62%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is crowbar open source?
Yes — it is published under the MIT licence, written in Python and 8 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.