REA
REA is an MCP server that adds developer tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Reverse engineer anything from your terminal or agent with one CLI and MCP server. It has 10,215 GitHub stars, is released under the MIT license and runs locally with npx -y rea-agents.
- Developer tools
- MIT
- Actively maintained
Install REA
Generated from the server's MCP registry entry. Replace your-value with your own values.
Claude Desktop
{
"mcpServers": {
"rea": {
"command": "npx",
"args": [
"-y",
"rea-agents"
]
}
}
}Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.
Claude Code
claude mcp add --transport stdio rea -- npx -y rea-agentsCursor
{
"mcpServers": {
"rea": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"rea-agents"
]
}
}
}Project file; use ~/.cursor/mcp.json to enable it in every project.
VS Code
{
"servers": {
"rea": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"rea-agents"
]
}
}
}Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).
About REA
See a feature you like. Understand how it works, down to the binary level. See a feature in an app that you want in your own product? Ask your agent to investigate it with REA. It can inspect the app without its source code, explain how the feature works, show the evidence, and build a version for your project.
- ai-agents
- binary-analysis
- cli
- coding-agents
- decompiler
- disassembler
- mcp
- mcp-server
- model-context-protocol
- reverse-engineering
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What is REA?
REA is an MCP server that adds developer tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Reverse engineer anything from your terminal or agent with one CLI and MCP server. It has 10,215 GitHub stars, is released under the MIT license and runs locally with npx -y rea-agents. The source code is at github.com/morluto/rea.
How do I install the REA MCP server?
Add the command npx -y rea-agents to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.
Is REA free?
The server is open source under the MIT license, so running it is free. It does not declare any required API key.
Is REA actively maintained?
The most recent commit was on Oct 7, 2026. The latest release is rea-agents-4.1.0, published Oct 6, 2026. appsgit only lists MCP servers with a commit in the last six months and re-checks every server daily.