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CareRanks MCP server

Which servers in the official MCP registry are CareRanks's own, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-20

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Whose server it is
  • Registry namecom.careranks/careranks-dataverified in the MCP registry

The registry name sits under careranks.com. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-20
  • Stateanswerschecked 2026-10-20
  • Tools5
  • Server calls itselfcareranks-data
  • Server version1.0.0
  • Protocol version2025-06-18

On 2026-10-20 the server answered initialize and tools/list without a sign-in. First answer in 35 ms.

Should an agent connect itNot proven either way yet
  • Its tools do every use case we checked: compare published prices for a procedure across hospitals; check federal quality ratings for hospitals near you.
  • Checked on 1 of the 7 days it takes to judge reliability.

Once connected

  • For "compare published prices for a procedure across hospitals", the likely first call is search_facilities.
  • For "check federal quality ratings for hospitals near you", the likely first call is search_facilities.
  • Parameters are untyped or undescribed in 2 of 5 tools: check arguments before calling.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 1, the first on 2026-10-20
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 1 so far
  • What an agent can do with it2 of 2 use cases
  • Answeredmeasuring1 of the 7 daily checks it takes to print a share
  • Median first answer358 ms
  • Space in an agent's context≈ 825 tokensthe definitions of all its tools (5), which an agent carries on every turn
  • Tool definitionsB · 77 of 100
  • Parameters without a description: in 2 of 5
  • Not saying whether it only reads or can destroy: 5 of 5

What an agent can do with it

  • can do · compare published prices for a procedure across hospitals
  • can do · check federal quality ratings for hospitals near you
  • not sure · browse hospitals by state, city or zip code

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

None of the five warning signs in these definitions.

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (30%), doing the product's job (25%), definitions (20%), context (10%) and use (15%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers5 tools · read 2026-10-20
  • search_facilities

    Search 41K+ US facilities (hospitals, nursing homes, home-health agencies, dialysis centers, health systems) by name and/or city, optionally filtered by state and type. Returns ids usable with the other tools plus capability flags.

  • get_facility

    Look up one facility by {type, id}. Returns the index record plus canonical URLs and which detail tools work for it. Hospital ids are CMS CCNs.

  • get_hospital_prices

    Payer-negotiated rates parsed from a hospital's federally required machine-readable file. Without `drg`: a per-DRG summary (payer count, min/median/max) across every DRG in the file. With `drg` (digits; zero-padded automatically): the…

  • get_hospital_clinicians

    Clinicians affiliated with a hospital (CMS data): name, specialty, Medicare procedure volumes, Open Payments totals. Available for ~4,570 hospitals (clinicians_tool_available flag). Filter matches name or specialty.

  • get_facility_profile

    Structured summary for any facility; for hospitals the full profile markdown (quality measures, ratings context) is returned AS THE TEXT CONTENT BLOCK, with metadata (truncation flag, full URL) in structuredContent. max_chars bounds the…

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "careranks-data": {
      "type": "http",
      "url": "https://careranks.com/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http careranks https://careranks.com/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://careranks.com/mcp as a custom connector in the settings.

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.