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REA MCP Server

local only

REA runs on your own machine — the client starts it, so there is no endpoint to ping. 231 579 installs a week from npm. Last commit 16 Oct 2026.

Reverse engineer anything from your terminal or agent with one CLI and MCP server.

Installs per day peak 798 · avg 58 · +809% w/w
a month agotoday
231 579
Installs / week
npm · rea-agents
275 293
Stars
586 open issues
16 Oct 2026
Last commit
23 releases in 90 days
MIT
License
TypeScript

What the code does

We read the source, 20 h ago · rules ccca72095570

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.

        exec(compile(Path(entry).read_bytes(), entry, "exec"), {"__name__": "__main__", "__file__": entry})
    if subprocess.check_output([node, '--version'], text=True).strip() != 'v24.18.0':
    environment = dict(os.environ, REA_CORE_CONTEXT_REQUEST=request_path)
In the project's build, not in the package

Found in continuous integration, deployment or infrastructure files, or in a neighbouring package of the same monorepo. None of this is installed when you add the server: it describes how the project is built and released. We list it because a leaked key in a build pipeline is still a real problem, but it is not something this server does on your machine.

    description: Whether this run may update the shared npm download cache.
    value: ${{ steps.context.outputs.can-save }}
Touches key and credential files .github/actions/portable-build-cache/action.yml:24
        BUILD_CACHE_PREFIX: rea-portable-build-v2-${{ runner.os }}-${{ runner.arch }}-${{ hashFiles('.npmrc', '.nvmrc', 'package-lock.json') }}

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

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

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 rea -- npx -y rea-agents
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "rea": {
      "args": [
        "-y",
        "rea-agents"
      ],
      "command": "npx"
    }
  }
}
~/.codex/config.toml
[mcp_servers.rea]
command = "npx"
args = ["-y", "rea-agents"]
.cursor/mcp.json
{
  "mcpServers": {
    "rea": {
      "args": [
        "-y",
        "rea-agents"
      ],
      "command": "npx"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "rea": {
      "args": [
        "-y",
        "rea-agents"
      ],
      "command": "npx"
    }
  }
}

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REA — questions

Answers built from our own checks of this server.

Why is there no uptime for REA?
REA 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 npm package rea-agents was installed 231 579 times last week.
How do I connect REA?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It runs locally, so the command pulls rea-agents straight from npm; nothing to host, nothing to sign up for.
How many people use REA?
The npm package rea-agents was installed 231 579 times in the last week. Week over week that is +809%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is REA open source?
Yes — it is published under the MIT licence, written in TypeScript, 275 293 stars on GitHub and 586 open issues. The source link is on this page, so you can read exactly what it does with your data before you connect it.