---
title: "MCP discovery card"
method: GET
path: "/.well-known/mcp/server-card.json"
---

# MCP discovery card

`GET /.well-known/mcp/server-card.json`

## Request

- Base URL: `https://api.theusedcarindex.com`
- URL: `https://api.theusedcarindex.com/.well-known/mcp/server-card.json`
- Auth: none required

## Response `200`

Success

- object
  - `name` string, required
  - `version` string, required
  - `description` string, required
  - `endpoint` string, uri, required
  - `transport` 'streamable-http', required
  - `auth` 'bearer', required
  - `serverInfo` object, required
    - `name` string, required
    - `version` string, required
  - `authentication` object, required
    - `required` unknown, required
    - `schemes` string[], required
    - `note` string, required
  - `free_tier` object, required
  - `homepage` string, uri, required
  - `tools` object[], required
    - `name` string, required
    - `title` string, required
    - `description` string, required
    - `inputSchema` object, required
    - `annotations` object, required

## Other responses

- `400`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `401`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `403`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `404`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `405`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `413`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `415`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `429`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `500`: RFC 9457 problem with stable code; 429 includes Retry-After.
- `503`: RFC 9457 problem with stable code; 429 includes Retry-After.

---

[API](https://skmtc.dev/theusedcarindex/apis/the-used-car-index.md) · [All operations](https://skmtc.dev/theusedcarindex/apis/the-used-car-index/llms.txt) · [OpenAPI document](https://skmtc.dev/theusedcarindex/apis/the-used-car-index/revisions/80dd1305d05c?raw)