Obra Cto MCP Server

by get-obra Your server? Claim it

local only

Obra Cto runs on your own machine — the client starts it, so there is no endpoint to ping. 84 installs a week from npm. Last commit 4 Jul 2026.

Local-first MCP that scores your codebase's build readiness. Your code never leaves your machine.

Installs per day peak 258 · avg 28 · -9% w/w

a month agotoday

Installs / week

npm · obra-cto

Stars

0 open issues

4 Jul 2026

Last commit

0 releases in 90 days

Apache-2.0

License

TypeScript

What the code does

We read the source, 22 h ago · rules 3dff92dd89df

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.

Runs an external command src/index.ts:426

    const child = spawn(cmd, { cwd, shell: true });

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.

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.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add obra-cto -- npx -y obra-cto

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "obra-cto": {
      "args": [
        "-y",
        "obra-cto"
      ],
      "command": "npx"
    }
  }
}

~/.codex/config.toml

[mcp_servers.obra-cto]
command = "npx"
args = ["-y", "obra-cto"]

.cursor/mcp.json

{
  "mcpServers": {
    "obra-cto": {
      "args": [
        "-y",
        "obra-cto"
      ],
      "command": "npx"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "obra-cto": {
      "args": [
        "-y",
        "obra-cto"
      ],
      "command": "npx"
    }
  }
}

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Obra Cto — questions

Answers built from our own checks of this server.

Why is there no uptime for Obra Cto?

Obra Cto 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 obra-cto was installed 84 times last week.

How do I connect Obra Cto?

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 obra-cto straight from npm; nothing to host, nothing to sign up for.

How many people use Obra Cto?

The npm package obra-cto was installed 84 times in the last week. Week over week that is -9%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Obra Cto open source?

Yes — it is published under the Apache-2.0 licence, written in TypeScript and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.