PathCourse Health (PCH)

Cheaper LLM inference, USDC agent payments via x402, agent identity / reputation lookup.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

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Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "pathcourse-health-pch": {
      "command": "uvx",
      "args": [
        "pch-mcp-server"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

PCH MCP Server

Drop-in MCP server for PathCourse Health (PCH) — cheaper LLM inference, USDC-based agent payments, and agent identity / reputation lookup. Works in Claude Desktop, Cursor, Cline, Continue.dev, and Zed.

14 tools. 7 free (no API key needed) and 7 authenticated. Includes a unique flow that lets you buy a PCH API key from inside Claude Desktop using USDC — no signup form, no email verification.

Install

Claude Desktop, Cursor, Cline, Continue.dev, Zed (npm)

Add to your client's MCP config:

config.json

{
  "mcpServers": {
    "pch": {
      "command": "npx",
      "args": ["-y", "@pathcourse/mcp-server"],
      "env": {
        "PCH_API_KEY": "pch_prod_b_..."
      }
    }
  }
}

If you don't have a PCH API key yet, omit the env block. Many tools work without authentication; you can obtain a key via the pch_provision tool.

Per-client install instructions:

Python clients (PyPI)

bash

uvx pch-mcp-server
# or
pip install pch-mcp-server

Tools

Free (no API key)

Tool	What it does
`pch_models`	List all PCH models with rates and tier requirements
`pch_estimate`	Estimate cost of an inference request before running it
`pch_status`	Gateway health and service status
`pch_provision`	Get USDC payment instructions to obtain an API key
`pch_pay`	Submit USDC payment proof; returns API key + first inference
`pch_lookup_agent_identity`	Lookup an agent's ERC-8004 identity record
`pch_get_path_score`	Look up an agent's Path Score (0-1000)
`pch_get_agent_history`	12-month trend of an agent's score components
`pch_verify_certification`	Verify a PCH-issued certification
`pch_compare_costs`	Compare PCH model cost vs GPT-4o, Claude Sonnet, Claude Haiku

Authenticated (PCH_API_KEY required)

Tool	What it does
`pch_inference`	Run LLM inference on a PCH model
`pch_balance`	Check remaining USDC balance and current tier
`pch_check_agent_reputation`	Deeper reputation lookup ($0.001 USDC per query)
`pch_my_account`	Self-service balance + identity + recent activity

Configuration

Env var	Default	Notes
`PCH_API_KEY`	(none)	Required for authenticated tools. Format: `pch_prod_b_...`
`PCH_GATEWAY_URL`	`https://gateway.pathcoursehealth.com`	Override for staging or local dev

Security

Never commit PCH_API_KEY to a public repo. The wrapper logs a warning at startup if it detects a key that looks like a real production key being passed through env. If you accidentally exposed your key, rotate it via PCH support.

License

MIT

Source

This wrapper is open source: pathcourse-health/pch-mcp-server

The upstream PCH MCP server lives in the (private) pch-platform-gateway repo.

Read the full README →View source on GitHub →

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Frequently Asked Questions about PathCourse Health (PCH)

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "pathcourse-health-pch": { "command": "npx", "args": ["-y", "PathCourse Health (PCH)"] } }

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Technical Specs & Signals

CategoryFinance & Fintech

36Quality signal: Fair · 36/100How this signal is calculated ▾

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Adoption & activity1/15

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