What is the key difference between Obra Cto and Build?

Obra Cto belongs to the Developer Tools category with local stdio execution, while Build belongs to the Developer Tools category with local stdio execution.

How do I install Obra Cto or Build in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Obra Cto and Build free or paid?

Obra Cto operates under a Free / Open Source model (No auth required). Build operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Obra Cto lists 0 tools with 0 views and 0 GitHub stars. Build lists 0 tools with 0 views and 136 GitHub stars.

Can I use both Obra Cto and Build together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

How do I install Obra Cto or Build in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Obra Cto and Build free to use, or do they require API keys?

Obra Cto is listed under a Free / Open Source model with No auth required . Build operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Obra Cto and Build at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both obra-cto and build as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Obra Cto has a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars. Build holds a Quality Score of 44 /100 ( Fair ) with 0 views, 0 installs, and 136 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Obra Cto vs Build

In-depth architectural comparison of the Obra Cto and Build MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Obra Cto

Developer Tools · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

Build

Developer Tools · Local stdio

Quality: 44/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Obra Cto if you need specialized Developer Tools tools running via a local process. Choose Build if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Obra Cto when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Obra Cto Details

Choose Build when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Build Details

Feature & Specification Comparison

Specification	O Obra Cto Developer Tools	B Build Developer Tools
Summary	Local-first MCP that scores your codebase's build readiness. Your code never leaves your machine.	Structured build tool output (tsc, generic commands) as typed JSON diagnostics.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Obra Cto Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Build Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Obra Cto Configuration

mcpServers (Claude Desktop / Cursor)

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

Build Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "build": {
      "command": "npx",
      "args": [
        "-y",
        "@paretools/init"
      ]
    }
  }
}

Frequently Asked Questions

Obra Cto is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Build belongs to Developer Tools using local stdio subprocess. Select Obra Cto when you need capabilities focused on developer tools and Build when you require tools for developer tools.

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