An x402 MCP server that audits and lints agent discovery metadata, including agent-card.json, ai-plugin.json, OpenAPI, MCP, and other well-known files, with A2A schema validation and improvement reports.
Prices and medians update for the tier you select.
Ranked by how closely each one matches Agent Card Validator MCP's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.