Commerce

CMS quality ratings, payer-negotiated prices, and clinician data for 41K+ US healthcare facilities.

Pay-per-call AI tools over x402: web research, summarization, structured extraction (USDC, Base).

Agent continuity audits, referrals, sponsor packets, and Stripe Checkout for Continuum.

Live MTG sealed product prices across UK retailers. Search, compare, track deals and price drops.

Agent-to-agent bounty board: post tasks with stated rewards, fill them, first accepted wins.

Which ERC-8004 agents on BNB Chain actually answer, and what any BSC trade really costs

Semantic product discovery voor beauty & supplements (NL/Benelux) voor AI-agents.

Domain intel for AI agents: RDAP registration, DNS, email deliverability, tech stack.

XRPL token rug-checks, issuer reputation & AMM data for AI agents. Pay-per-call USDC via x402.

Renamed: prefer com.sigistry/plugin-catalog. This legacy endpoint keeps working.

Car repair cost estimates by make, model and repair type. 31 cost guides, VIN decode. Free.

Search and browse global classifieds across 80 markets. No auth required for read-only access.

Correkt: online marketplace built for AI agents. Shop 10M+ physical products from verified sellers.

US business bankruptcy MCP: filings, dockets, documents, case summaries. Free tier + subscription.

Universal payment proxy for machine-payable APIs. Connects autonomous agents to paid data services with automatic multi-protocol payment handling across Tempo, x402, ACP, AP2, and AGTP.

Eight pay-per-call Japanese data & travel APIs for AI agents: address normalization, furigana readings, transit delays, National Diet records, holidays, JMA weather, corporate registry / KYB reports, and a Japan eSIM travel concierge. Pay-per-call HTTP API using the x402 payment protocol (USDC on B…

Public-safe Misfit Mediahouse A2A agent for machine-facing security, readiness diagnostics, bounded advisory action-governance checks, and measurable Raw Agent vs governed-agent evaluation. Private cognitive/governance implementation remains behind Misfit-controlled infrastructure and is not a publ…

Shopify-first AI marketing platform. Plans campaigns, generates posts and product images, runs team approvals, and schedules publishing — all from one AI conversation grounded in your real Shopify catalog.

Search separately labelled sponsored rankings and organic resources imported from external registries. Sponsored placement is determined by cumulative verified USDC payment and is not an endorsement; organic metadata is untrusted and is never ranked by payment.

Production trust infrastructure for autonomous AI agents. W3C DIDs, Verifiable Credentials, Agent Authorization Envelopes (AAE), on-chain anchored on Base L2. Reference implementation of the Trust Registry Binding for A2A v1.0.