@sendpi/mcp-server

SendPI MCP Server — Add communication intelligence to Claude, ChatGPT, Cursor, and any MCP-compatible AI tool.

PI Check · PI Cast · Token Optimizer · 4.3M Precision Casts · PI Loop

Quick Start

1. Get your API key

Sign up at sendpi.ai and go to Dashboard → MCP & API to generate your key.

2. Install

npx @sendpi/mcp-server

Or install globally:

npm install -g @sendpi/mcp-server

3. Configure your AI tool

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "sendpi": {
      "command": "npx",
      "args": ["-y", "@sendpi/mcp-server"],
      "env": {
        "SENDPI_API_KEY": "sk-sendpi-YOUR-KEY-HERE"
      }
    }
  }
}

Restart Claude Desktop. Look for the SendPI tools icon in your sidebar.

Cursor / Claude Code

In Cursor settings → MCP → Add server:

• Name: SendPI
• Command: npx -y @sendpi/mcp-server
• Environment: SENDPI_API_KEY=sk-sendpi-YOUR-KEY-HERE

Reload Cursor. SendPI tools are now available in Agent mode.

Zed / Continue.dev / Cline

Any MCP-compatible client works. Set the command to npx -y @sendpi/mcp-server and provide SENDPI_API_KEY as an environment variable.

5 Tools

| Tool | What it does | Example | |------|-------------|---------| | pi_check | Predict receiver emotional outcome before sending | "Check this email before I send it" | | pi_cast | Generate precision cast from plain English goal | "Write the best prompt for creating a product spec" | | optimize_tokens | Reduce token count 40-70% | "Optimize this prompt for GPT-4o" | | search_casts | Search 4,320,000 quality-scored casts | "Find a prompt for debugging React in Cursor" | | pi_loop | Auto-refine until quality threshold met | "Generate the best possible prompt for [complex task]" |

Rate Limits

| Tier | Calls/day | |------|-----------| | Free | 100 | | Pro | 2,000 | | Max | Unlimited |

Environment Variables

| Variable | Required | Default | |----------|----------|---------| | SENDPI_API_KEY | Yes | — | | SENDPI_BASE_URL | No | https://communication-brain.emergent.host |

ChatGPT / OpenAI Custom GPTs

Use the OpenAI Actions API spec:

https://communication-brain.emergent.host/api/openai/openapi.json

Links

• Website: sendpi.ai
• Docs: sendpi.ai/docs/mcp
• Dashboard: sendpi.ai/dashboard/mcp

Publishing (for maintainers)

cd mcp
npm run build
npm publish --access public

Pre-publish checklist

• [ ] SENDPI_API_KEY environment variable tested
• [ ] All 5 tools tested via Claude Desktop
• [ ] npm run build compiles cleanly
• [ ] Version bumped in package.json

License

MIT