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agent.halowerk.com v1 mcp-normalize
https://agent.halowerk.com/v1/mcp-normalize
answers 402
Takes a list of MCP tool definitions, as returned by tools/list on any number of servers, and rewrites them into one common form. Servers disagree on where the schema lives — inputSchema, input_schema, parameters, schema or arguments are all in use — and a consumer reading only one of them loses the others silently; every spelling is accepted and the one found is reported.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.002
- Network
- base
- Pay to
- 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 520 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:39:16.641Z (2h ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fagent.halowerk.com%2Fv1%2Fmcp-normalize"