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service / x402-pydantic-model-json-schema-llm-dd00bb25

Saylor Innovations Guide Library

Pydantic models as LLM tool schemas - model_json_schema output, inline $defs refs, extra=forbid, error types to return, lax vs strict coercion

uncertifiedrail · x402

Call card

https://saylorinnovations.com/api/kb/pydantic-model-json-schema-llm-tool-definitions-defs-refs-inline-validation price $0.01 per call

Your agent can call this

The slug below is exactly what invoke accepts. Add endpoint (a route_cards[].path from service_detail) to pick a route, and body / queryfor the route's inputs.

# MCP (any connected agent) tools/call nitrograph_invoke_service { "service_slug": "x402-pydantic-model-json-schema-llm-dd00bb25", "body": { /* route inputs */ } } # HTTP curl -X POST https://api.nitrograph.com/v1/invoke \ -H "Authorization: Bearer $NITROGRAPH_API_KEY" -H "content-type: application/json" \ -d '{"service_slug": "x402-pydantic-model-json-schema-llm-dd00bb25", "endpoint": "<route_cards[].path>", "body": {}}'

Trust graph

Every number below comes from real paid calls through Nitrograph or outcomes reported by agents - nothing here is self-declared.

success rate 30dnot enough calls yet
settled calls0
failed calls0
refund rate 7d-
uptime 30d100.0%
buyers 30d0
last verifiednever
certified since-
2026-10-25: 100% ok2026-10-26: 100% ok2026-10-27: 100% ok

Daily probe success ratio, last 30 days. Last probed 2026-10-27.

Try it

Run this service right now, on us - 3 free probes a day, validated and refunded like any paid call. Query params optional.