Costkits MCP Server

MCP server for CostKits: live healthcare procedure cost estimates and provider pricing.

Local serverstdio

What is the Costkits MCP server?

Most developer tooling work still happens through a UI a human drives. Costkits MCP server moves it into the conversation instead. MCP server for CostKits: live healthcare procedure cost estimates and provider pricing.

The short version

Give Claude, ChatGPT, Cursor, and other MCP clients access to live US healthcare cost data.

CostKits is a healthcare cost-transparency platform built by John Caruso, FSA, MAAA, a healthcare actuary with more than 20 years of experience in insurance pricing, medical billing systems, and healthcare cost analytics.

Getting it running

npm on npm is all you need. Most clients run it directly, so configuration is a few lines and a restart.

What it needs from you

Configuration is passed through the environment: COSTKITS_API_KEY. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.

Things to watch

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

How it compares

Plenty of developer tooling servers cover similar ground. The differences that matter in practice are scope of access and how much setup stands between you and a working tool call. It is maintained by costkits; worth a glance at recent repository activity before you build anything load-bearing on it.

SyncDev reviews every entry in this directory against the project's own documentation before publishing, and revisits them as servers change.

How to install the Costkits MCP server

{
  "mcpServers": {
    "costkits": {
      "command": "npx",
      "args": ["-y", "npm"],
      "env": {
        "COSTKITS_API_KEY": "your-value"
      }
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

VariableDescriptionRequired
COSTKITS_API_KEYCredential the server authenticates with.Yes

Frequently asked questions

It connects Costkits to MCP-compatible AI assistants such as Claude and Cursor. Instead of copying data back and forth by hand, the assistant works with Costkits directly.