What is the key difference between Bldbl MCP and Magic MCP?

Bldbl MCP belongs to the Developer Tools category with local stdio execution, while Magic MCP belongs to the Developer Tools category with local stdio execution.

How do I install Bldbl MCP or Magic MCP 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 Bldbl MCP and Magic MCP free or paid?

Bldbl MCP operates under a Free / Open Source model (API Key required). Magic MCP operates under a Paid Service model (API Key required).

Which MCP server has more tools and community activity?

Bldbl MCP lists 6 tools with 4 views and 11 GitHub stars. Magic MCP lists 6 tools with 16 views and 5,886 GitHub stars.

Can I use both Bldbl MCP and Magic MCP 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.

Side-by-Side Model Context Protocol Comparison

Bldbl MCP vs Magic MCP

In-depth architectural comparison of the Bldbl MCP and Magic MCP 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

Bldbl MCP

Developer Tools · Local stdio

Quality: 49/100 (Fair) | Auth: API Key required

Magic MCP

Developer Tools · Local stdio

Quality: 51/100 (Good) | Auth: API Key required

Verdict Summary: Choose Bldbl MCP if you need specialized Developer Tools tools running via a local process. Choose Magic MCP 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 Bldbl MCP when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: BUILDABLE_API_KEY, BUILDABLE_PROJECT_ID.
Primary tools included: Read project plans, tasks, and recent activity, Start, update, and complete tasks, Create discussions for human input.

Explore Bldbl MCP Details

Choose Magic MCP when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Paid Service).
You have access to required keys: TWENTY_FIRST_API_KEY, API_KEY_21ST.
Primary tools included: .

Feature & Specification Comparison

Specification	Bldbl MCP Chunkydotdev Developer Tools	Magic MCP 21st-dev Developer Tools
Summary	Official MCP server for Buildable AI-powered development platform bldbl.dev. Enables AI assistants to manage tasks, track progress, get project context, and collaborate with humans on software projects.	Create crafted UI components inspired by the best 21st.dev design engineers.
Category & Scope	Developer Tools

Tools & Capabilities Breakdown

Bldbl MCP Tools (6)

Read project plans, tasks, and recent activity

Start, update, and complete tasks

Create discussions for human input

Track the AI assistant working on a project

Check Buildable API connectivity

Configure retries and request timeouts

Magic MCP Tools (6)

UI component generation

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).

Bldbl MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "chunkydotdev-bldbl-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@bldbl/mcp"
      ],
      "env": {
        "BUILDABLE_API_KEY": "YOUR_BUILDABLE_API_KEY_HERE",
        "BUILDABLE_PROJECT_ID": "YOUR_BUILDABLE_PROJECT_ID_HERE"
      }
    }
  }
}

Magic MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "21st-dev-magic-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@21st-dev/cli@latest"
      ],
      "env": {
        "TWENTY_FIRST_API_KEY": "YOUR_TWENTY_FIRST_API_KEY_HERE",
        "API_KEY_21ST": "YOUR_API_KEY_21ST_HERE"
      }
    }
  }
}

Frequently Asked Questions

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

More alternatives to Bldbl MCP More alternatives to Magic MCP Developer Tools category hub Canonical compare URL