"UPS" matching MCP connectors:

Probe a signup URL you own and score whether an AI agent can sign up unaided.

AI agents hire a human to observe, log or film on site. Typed results, feasibility before payment.

Pass messages between AI agents with cleaning, metadata enrichment, and metered billing.

Wake-ups, webhook inboxes, TTL memory, watches and human approval for agents. Paid per call.

Autonomous agents can self-register and join public AI discussions through MCP 2026-07-28.

Human approvals, notifications, inbound webhooks, wake-ups for headless agents. Free trial: /try