What is the key difference between Metatool App and Openapi?

Metatool App belongs to the Aggregators category with local stdio execution, while Openapi belongs to the Aggregators category with local stdio execution.

How do I install Metatool App or Openapi 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 Metatool App and Openapi free or paid?

Metatool App operates under a Free / Open Source model (API Key required). Openapi operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Metatool App lists 6 tools with 2 views and 2,684 GitHub stars. Openapi lists 0 tools with 1 views and 3 GitHub stars.

Can I use both Metatool App and Openapi 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

Metatool App vs Openapi

In-depth architectural comparison of the Metatool App and Openapi 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

Metatool App

Aggregators · Local stdio

Quality: 45/100 (Fair) | Auth: API Key required

Openapi

Aggregators · Local stdio

Quality: 35/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Metatool App if you need specialized Aggregators tools running via a local process. Choose Openapi if your workspace requires Aggregators integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Metatool App when:

You need dedicated capabilities in the Aggregators domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Free / Open Source).
You have access to required keys: METAMCP_API_KEY, METAMCP_OIDC_CLIENT_ID, METAMCP_OIDC_CLIENT_SECRET, METAMCP_OIDC_ISSUER, METAMCP_LOG_LEVEL.
Primary tools included: Dynamic aggregation of MCP servers into unified endpoints, Namespace grouping and endpoint assignment with auth, Pluggable middleware support for extensibility.

Explore Metatool App Details

Choose Openapi when:

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

Feature & Specification Comparison

Specification	Metatool App metatool-ai Aggregators	Openapi Aggregators
Summary	MetaMCP is the one unified middleware MCP server that manages your MCP connections with GUI.	Turn any OpenAPI/Swagger spec into MCP tools. Zero config, zero code.
Category & Scope	Aggregators	Aggregators

Tools & Capabilities Breakdown

Metatool App Tools (6)

Dynamic aggregation of MCP servers into unified endpoints

Namespace grouping and endpoint assignment with auth

Pluggable middleware support for extensibility

Built-in GUI for configuration and inspection

Supports SSE and streamable HTTP endpoints

OpenID Connect (OIDC) provider support for authentication

Openapi 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).

Metatool App Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "metatool-ai-metatool-app": {
      "command": "uvx",
      "args": [
        "mcp-hn"
      ],
      "env": {
        "METAMCP_API_KEY": "YOUR_METAMCP_API_KEY_HERE",
        "METAMCP_OIDC_CLIENT_ID": "YOUR_METAMCP_OIDC_CLIENT_ID_HERE",
        "METAMCP_OIDC_CLIENT_SECRET": "YOUR_METAMCP_OIDC_CLIENT_SECRET_HERE",
        "METAMCP_OIDC_ISSUER": "YOUR_METAMCP_OIDC_ISSUER_HERE",
        "METAMCP_LOG_LEVEL": "YOUR_METAMCP_LOG_LEVEL_HERE"
      }
    }
  }
}

Openapi Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "openapi": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-openapi"
      ]
    }
  }
}

Frequently Asked Questions

Metatool App is categorized under Aggregators and uses a local stdio subprocess. In contrast, Openapi belongs to Aggregators using local stdio subprocess. Select Metatool App when you need capabilities focused on aggregators and Openapi when you require tools for aggregators.

More alternatives to Metatool App More alternatives to Openapi Aggregators category hub