GoodRx Server

A Model Context Protocol (MCP) connector for the GoodRx prescription discount service. Enables AI assistants to search for drug prices, find pharmacies, and retrieve discount coupons using GoodRx.

Overview

This MCP connector uses Playwright browser automation to interact with GoodRx, providing real-time prescription drug pricing and discount coupon data.

Installation

npm install @striderlabs/mcp-goodrx

Or install Playwright browsers after installation:

npx playwright install chromium

Tools

goodrx_search_drug

Search for a prescription drug on GoodRx to find available pricing information, forms, and dosages.

Parameters:

• drug_name (string, required) - Name of the drug (generic or brand name)
• dosage (string, optional) - Dosage form (e.g., "10mg", "500mg tablet")
• quantity (number, optional) - Number of pills/units

goodrx_get_prices

Get GoodRx discount prices for a drug at nearby pharmacies.

Parameters:

• drug_name (string, required) - Name of the drug
• dosage (string, optional) - Dosage (e.g., "10mg")
• quantity (number, default: 30) - Number of pills
• zip_code (string, optional) - ZIP code to search near
• form (string, optional) - Drug form (tablet, capsule, etc.)

goodrx_get_coupon

Get a GoodRx discount coupon for a specific drug at a pharmacy. Returns BIN, PCN, Group, and Member ID needed at checkout.

Parameters:

• drug_name (string, required) - Name of the drug
• pharmacy (string, optional) - Pharmacy name (e.g., "CVS", "Walgreens")
• dosage (string, optional) - Dosage (e.g., "10mg")
• quantity (number, default: 30) - Number of pills
• zip_code (string, optional) - ZIP code for the pharmacy location

goodrx_find_pharmacies

Find pharmacies near a location that accept GoodRx discount coupons.

Parameters:

• zip_code (string, required) - ZIP code to search near
• pharmacy_name (string, optional) - Filter by pharmacy chain name
• radius_miles (number, default: 10) - Search radius in miles

goodrx_compare_prices

Compare drug prices across multiple pharmacies to find the best deal using GoodRx.

Parameters:

• drug_name (string, required) - Name of the drug to compare
• dosage (string, optional) - Dosage (e.g., "10mg")
• quantity (number, default: 30) - Number of pills
• zip_code (string, optional) - ZIP code for comparison
• pharmacies (string[], optional) - Specific pharmacies to compare (e.g., ["CVS", "Walgreens", "Rite Aid"])
• form (string, optional) - Drug form (tablet, capsule, etc.)

Usage with Claude Desktop

Add to your Claude Desktop configuration (~/Library/Application Support/Claude/claude_desktop_config.json on macOS):

{
  "mcpServers": {
    "goodrx": {
      "command": "npx",
      "args": ["-y", "@striderlabs/mcp-goodrx"]
    }
  }
}

Usage with MCP CLI

npx @striderlabs/mcp-goodrx

Example Queries

Once connected, you can ask your AI assistant:

• "What is the cheapest price for Lisinopril 10mg near 90210?"
• "Find pharmacies near ZIP code 10001 that accept GoodRx"
• "Get me a GoodRx coupon for Metformin at CVS"
• "Compare prices for Atorvastatin 20mg at pharmacies near me"

Technical Details

• Uses Playwright with headless Chromium for browser automation
• Implements session management with singleton browser instance
• Anti-detection measures including custom user agent and navigator property overrides
• Graceful shutdown handling for SIGINT/SIGTERM

Requirements

• Node.js >= 18
• Playwright Chromium browser (installed via npx playwright install chromium)

License

MIT

Author

Strider Labs [email protected]