"Integrating Automated Payment Systems" matching MCP connectors:

Pay-per-call MCP server. Vetted human experts review AI-generated content (text, images, video, audio, social posts), audit reasoning chains, run prepublish safety checks, and gate high-stakes actions for human approval. 7 paid tools at $1.00 each plus 4 free tools (list_offerings, list_expert_profiles, get_result, verify_certificate). Payment via x402, USDC on Base mainnet. Approved outputs receive an on-chain Taste content certificate downstream agents verify before consuming.

Validates JSON against a JSON Schema, lists violations. x402 payment required (testnet USDC).

Verify an agent's advertised route, price, payment details, and schemas against its live endpoint.

Evaluates UI designs for WCAG accessibility issues automated scanners miss. Paid via x402 on Base.

mcpAOAuth

io.scorecard

MCP server providing access to the Scorecard API to evaluate and optimize LLM systems.

źlab Operational Decision Stress Test

io.zircular

Evidence-governed screening of material decisions about physical assets and operational systems.

Translation QA: automated checks, AI evaluation, linguistic review, and visual in-context testing.