promptbuilder-mcp Server

promptbuilder-mcp

MCP server for Prompt Builder — access your prompt vault from Claude Desktop, Cursor, and any MCP-compatible client.

Prerequisites

• Node.js 18+
• A Prompt Builder account with an API key (generate one at /settings)

Installation

npm install -g promptbuilder-mcp

Configuration

Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "promptbuilder": {
      "command": "promptbuilder-mcp",
      "args": ["--key", "pb_your_api_key"]
    }
  }
}

Config file locations:

• macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
• Windows: %APPDATA%\Claude\claude_desktop_config.json

Cursor

Add to Cursor MCP settings:

{
  "promptbuilder": {
    "command": "promptbuilder-mcp",
    "args": ["--key", "pb_your_api_key"]
  }
}

Available Tools

Tool	Description
list_components	List components by type — persona, protocol, format, template
get_component	Fetch full component content by ID
search_components	Search components by name
list_packs	List community packs by category
get_pack	Fetch a complete pack with all resolved components

Example Usage in Claude

"Load my HR Business Partner persona from Prompt Builder"

"Find a code review protocol in my vault"

"Get the Employee Performance Review pack"

License

MIT