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/json-schema-strict

Free no payment, no key, no account

Validate JSON against a schema; returns exact error paths

Facts

Endpoint
POST https://tools.nalvorn.top/json-schema-strict
Price
0 USDC (free)
Payment address
0x98d6768508A36C04d8a60E5E5B24Ac3d628F5350
MCP tool name
json_schema_strict at https://tools.nalvorn.top/mcp
Repeat calls
Free tools answer immediately and carry no recheck hint; call them as often as you like.

Request

{
  "schema": {
    "type": "object",
    "required": [
      "id"
    ]
  },
  "data": {
    "id": "x"
  }
}

Answer

{
  "ok": false,
  "verdict": "1 error(s)",
  "errors": [
    {
      "path": "id",
      "error": "expected integer, got str"
    }
  ]
}

Run it

curl -sS -X POST https://tools.nalvorn.top/json-schema-strict \
  -H 'content-type: application/json' \
  -d '{"schema": {"type": "object", "required": ["id"]}, "data": {"id": "x"}}'

Try a free one first