Rank #1 · x402 · directory

Submit Agent Listing

Submit an AI agent for inclusion in the Ontario Protocol directory. Pays 0.10 USDC up front to deter spam.

Agent decision Excellent
Payment test mode Unpaid challenge only
Evidence source fixture reports
91/100 benchmark score
excellent grade
1 report rows
0 paid settlements

Endpoint Surface

Request

POST https://ontarioprotocol.com/api/x402/list-agent

Price

0.10 USDC

Rail

exact / base

Score Breakdown

Uptime 20/20

Availability is estimated from benchmark fixture observations; no paid retry is made.

X402 Payment Correctness 25/25

Payment correctness checks the unpaid challenge shape and declared x402 requirements, not settlement.

Schema Quality 15/15

Schema quality rewards crawler-readable manifests, OpenAPI coverage, and catalog metadata.

Price Clarity 15/15

Price clarity rewards machine-parseable atomic pricing and a human-readable USDC display value.

Network Asset Clarity 10/10

Network and asset clarity checks whether agents can choose the correct chain and token before signing.

Report History 6/15

Report history rewards signed evidence, repeat observations, and fresh readiness reports.

Payment Safety

Payment header signed

False

Facilitator settle called

False

Spends money

False

Report History

Source: fixture_reports. Matching: target_url exact, then normalized origin.

ReportSourceGradeScoreVerifiedIntegrity
fixture_ontario-list-agent fixture report ready 100/100 2026-07-04T14:30:30.093807Z False