Protologue MCP

A read-only MCP server providing access to Protologue's sourced taxonomy of prompting and LLM techniques. It allows AI agents to search for terms, retrieve full definitions with citations, find related techniques, and list categories, ensuring accurate and verifiable information without writing or modifying data.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-18Operated by Protologue

MCP endpoint (Streamable HTTP)

https://mcp.protologue.com/mcp

Vendor documentation

What you can do with it

Search for prompting techniques by name or keyword
Retrieve full sourced definitions with citations
Find broader, narrower, and related techniques
List categories and their associated techniques

Tools advertised by the last live check:

search_terms
get_term
get_related
list_categories

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

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Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http protologue-mcp https://mcp.protologue.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add protologue-mcp --url https://mcp.protologue.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable protologue-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "protologue-mcp": {
      "url": "https://mcp.protologue.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "protologue-mcp": {
      "type": "streamableHttp",
      "url": "https://mcp.protologue.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start protologue-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "protologue-mcp": {
      "type": "http",
      "url": "https://mcp.protologue.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http protologue-mcp https://mcp.protologue.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "protologue-mcp": {
      "url": "https://mcp.protologue.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "protologue-mcp": {
      "serverUrl": "https://mcp.protologue.com/mcp"
    }
  }
}

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