# Recaf MCP

> Recaf MCP — 619-owen-recaf-mcp. Use this tool when you need to analyze and edit JVM bytecode, as it enables LLMs to perform class browsing, decompilation, and bytecode manipulation through a Recaf workspace. It solves problems related to Java class file inspection, modification, and optimization, providing inputs such as bytecode and outputs like decompiled source code. Ideal for use cases involving Java application reverse engineering, debugging, and performance enhancement.

Canonical page: https://skillsregistry.net/skills/619-owen-recaf-mcp  
JSON: https://api.skillsregistry.net/v1/skills/619-owen-recaf-mcp

## Description

Enables LLMs to perform JVM bytecode analysis and editing by operating a Recaf workspace through MCP tools. Supports class browsing, decompilation, bytecode manipulation, search, cross-references, and refactoring operations.

## Trust

- **Trust score (0–1):** 0.60
- **Verification tier:** scanned
- **Last scanned:** 2026-08-30

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-08-30

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/mrumbgv6ww)
- **Repository:** <https://github.com/GzSakura1338/Recaf_MCP>

## 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": "619-owen-recaf-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/619-owen-recaf-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/619-owen-recaf-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