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BidBetter MCP server

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

read 2026-11-03

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Whose server it is
  • Registry nameai.bidbetter/collector-car-valuesverified in the MCP registry

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

When we asked itchecked 2026-11-03
  • Stateanswerschecked 2026-11-03
  • Tools2
  • Server calls itselfbidbetter
  • Server version1.0.0
  • Protocol version2025-06-18

On 2026-11-03 the server answered initialize and tools/list without a sign-in. First answer in 46 ms.

Should an agent connect itNot proven either way yet
  • Its tools do every use case we checked: Check real completed sales before placing a bid; Compare a specific car against recent comparable sales.
  • Checked on 2 of the 7 days it takes to judge reliability.

Once connected

  • For "Check real completed sales before placing a bid", the likely first call is value_model.
  • For "Compare a specific car against recent comparable sales", the likely first call is value_model.

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: 2, the first on 2026-11-03
  • INITE MCP scoreafter a weeka score needs 7 daily checks: 2 so far
  • What an agent can do with it2 of 2 use cases
  • Answeredmeasuring2 of the 7 daily checks it takes to print a share
  • Median first answer72 ms
  • Space in an agent's context≈ 260 tokensthe definitions of all its tools (2), which an agent carries on every turn
  • Tool definitionsA · 100 of 100
  • Typed results0 of 2 toolsdeclared outputSchema: results come typed, read once
  • Every tool passes all six checks.

What an agent can do with it

  • not sure · Value a car from its auction listing or photos
  • can do · Check real completed sales before placing a bid
  • can do · Compare a specific car against recent comparable sales

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 (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). 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 offers2 tools · read 2026-11-03
  • value_model

    Median, 25th-75th percentile band and sale count for a specific collector-car model and year range, from completed auction sales. Use for questions like 'what is a 1989 Porsche 911 worth' or 'how much is a 1969 Corvette C3'. Returns one…

  • list_models

    Every collector-car model BidBetter publishes a value for, with its median, band, sale count and page URL. Call this first when you are unsure whether BidBetter covers a car, rather than calling value_model and guessing.

How to connect

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

{
  "mcpServers": {
    "collector-car-values": {
      "type": "http",
      "url": "https://bidbetter.ai/api/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http bidbetter https://bidbetter.ai/api/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://bidbetter.ai/api/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.