# Joern MCP Server

> Joern MCP Server — lekssays-joern-mcp. Use this tool when you need to perform advanced static code analysis, detect security vulnerabilities, or assess code quality across multiple programming languages. It enables AI assistants to analyze codebases using Code Property Graph technology, supporting isolated Docker environments for secure and efficient analysis. Ideal for use cases requiring multi-language support and sophisticated code examination.

Canonical page: https://skillsregistry.net/skills/lekssays-joern-mcp  
JSON: https://api.skillsregistry.net/v1/skills/lekssays-joern-mcp

## Description

Enables AI assistants to perform sophisticated static code analysis using Joern's Code Property Graph technology. Supports multi-language analysis, security vulnerability detection, and code quality assessment through isolated Docker environments.

## Trust

- **Trust score (0–1):** 0.00
- **Verification tier:** scanned
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** cloud-infra
- **Updated:** 2026-09-28

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/ulm9n57ev8)
- **Repository:** <https://github.com/Lekssays/codebadger>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "lekssays-joern-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/lekssays-joern-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/lekssays-joern-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt