mcp-discovery

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1

0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0xb3F32bdfe8D07825BC0D7387295aB1D7559BA69d"
  }
]

Observed health

Status

Reachable

Latest latency

317 ms

Average latency

1124 ms

HTTP status

405

Last checked

2026-11-02T15:21:17.349Z

Reachability

100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "POST",
        "PUT",
        "PATCH"
      ]
    },
    "bodyType": {
      "type": "string",
      "enum": [
        "json",
        "form-data",
        "text"
      ]
    },
    "body": {
      "properties": {
        "q": {
          "type": "string",
          "description": "The need to match, in plain language - e.g. \"read a PDF and give me markdown\" or \"persistent knowledge graph\". Matched against a curated snapshot of MCP servers (official registry + carnet) by semantic similarity."
        },
        "max_results": {
          "type": "integer",
          "minimum": 1,
          "maximum": 25,
          "description": "Maximum number of servers to return (default 5)."
        },
        "min_similarity": {
          "type": "number",
          "minimum": 0,
          "maximum": 1,
          "description": "Minimum cosine similarity to include a result (default 0.30). Raise it for fewer, closer matches."
        }
      },
      "required": [
        "q"
      ]
    }
  },
  "required": [
    "type",
    "method",
    "bodyType",
    "body"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "properties": {
            "max_results": {
              "description": "Maximum number of servers to return (default 5).",
              "maximum": 25,
              "minimum": 1,
              "type": "integer"
            },
            "min_similarity": {
              "description": "Minimum cosine similarity to include a result (default 0.30). Raise it for fewer, closer matches.",
              "maximum": 1,
              "minimum": 0,
              "type": "number"
            },
            "q": {
              "description": "The need to match, in plain language - e.g. \"read a PDF and give me markdown\" or \"persistent knowledge graph\". Matched against a curated snapshot of MCP servers (official registry + carnet) by semantic similarity.",
              "type": "string"
            }
          },
          "required": [
            "q"
          ]
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST",
            "PUT",
            "PATCH"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "matches": {
              "description": "Number of servers above the threshold before the top-N cut.",
              "type": "integer"
            },
            "min_similarity": {
              "description": "The similarity threshold applied.",
              "type": "number"
            },
            "q": {
              "description": "The query that was matched."
            },
            "results": {
              "description": "Best-matching MCP servers, most relevant first.",
              "items": {
                "properties": {
                  "description": {
                    "description": "What the server does, as observed.",
                    "type": "string"
                  },
                  "name": {
                    "description": "Server name as observed.",
                    "type": "string"
                  },
                  "registry": {
                    "description": "Registry or listing where it was seen."
                  },
                  "relevance": {
                    "description": "Cosine similarity between the query and this server, 0 to 1.",
                    "type": "number"
                  },
                  "url": {
                    "description": "Endpoint URL, when one was observed."
                  }
                },
                "type": "object"
              },
              "type": "array"
            },
            "snapshot_date": {
              "description": "Date the underlying MCP snapshot was taken.",
              "type": "string"
            },
            "snapshot_rows": {
              "description": "Number of MCP servers in the snapshot.",
              "type": "integer"
            }
          },
          "required": [
            "q",
            "results"
          ],
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}