MCP Server For OSV

A lightweight MCP (Model Context Protocol) server for OSV Database API.

Example:

Tools Provided

Overview

Detailed Description

• query_package_cve

  • Query the OSV database for a package and return the CVE IDs.

  • Input parameters:

    • package (string, required): The package name to query

    • version (string, optional): The version of the package to query. If not specified, queries all versions

    • ecosystem (string, optional): The ecosystem of the package. Defaults to "PyPI" for Python packages

  • Returns a list of CVE IDs with their details

• query_for_cve_affected

  • Query the OSV database for a CVE and return all affected versions.

  • Input parameters:

    • cve (string, required): The CVE ID to query (e.g., "CVE-2018-1000805")

  • Returns a list of affected version strings

• query_for_cve_fix_versions

  • Query the OSV database for a CVE and return all versions that fix the vulnerability.

  • Input parameters:

    • cve (string, required): The CVE ID to query (e.g., "CVE-2018-1000805")

  • Returns a list of fixed version strings

• get_ecosystems

  • Query for all current supported ecosystems by the MCP servers.

  • Return a dict with the key being the ecosystem name and the value the programming language / OS.

Related MCP server: MCP Vulnerability Management System

Prerequisites

1. Python 3.11 or higher: This project requires Python 3.11 or newer.

   # Check your Python version python --version

2. Install uv: A fast Python package installer and resolver.

   pip install uv

   Or use Homebrew:

   brew install uv

Tested on

• Cursor

• Claude

Installation

1. Via Smithery:

2. Locally:

   1. Clone the repo: https://github.com/EdenYavin/OSV-MCP.git

   2. Configure your MCP Host (Cusrsor / Claude Desktop etc.):

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