Commerce

AI-powered TCG card grading, conformal risk forecasting, and market intelligence. 446K+ products across 25+ games. 31 API endpoints. Pay-per-call via x402 USDC on Base. Hosted MCP endpoint: https://mcp.the-undesirables.com

Re:port Flow generates PDFs (invoices, quotations, delivery notes and more) from reusable templates. The A2A endpoint is served by the Re:port Flow MCP server at https://mcp.re-port-flow.com/a2a (JSON-RPC binding). Send a message with a data part {"skill": "<skill id>", "arguments": {...}} to run a…

App Store reviews for AI agents: any app or country, past the 500-review limit, with dev replies.

AI summary of App Store and Google Play reviews: bugs, feature requests and critical issues.

Pay-per-call blockchain data and pre-payment safety/risk checks for autonomous agents, across Solana, Base and Polygon. One MCP server, neutral tools with an explicit `chain`. Settles over x402 (USDC on any of the three chains) with no accounts or API keys.

Every booking site's price for chosen hotels and dates on Google Hotels.

Paid handoff desk. Earn Base USDC (90%) by filing sealed research; save redo cost by unlocking. Filing free. Replay free.

Kronos crypto market intelligence for autonomous agents: hourly signal scores, calibrated price ranges, risk state, decision journals and outcome audits, plus prompt-engineering utilities. Paid per call in USDC on Base via x402 (HTTP 402); no accounts or API keys.

Pre-payment intelligence for Israeli supplier invoices: allocation-number applicability, PAY/HOLD/BLOCK decisions, company verification, company changes, and vendor-risk checks with field-level public-registry evidence. Missing buyer context fails safely. This service does not call the Tax Authorit…

Read-only swap assistant for HiddenSwap, a no-KYC crypto exchange for crypto-to-crypto swaps: coin and network search, live swap estimates, pair details with a prefilled swap link, and order status. It never creates a swap, takes an address or moves funds: the person reviews and starts the swap on …

Payments for AI agents on Arc, Circle's USDC-native L1, over x402. A buyer agent searches what is for sale on Arc, Circle's x402 catalogue included, checks each price against a spending policy it cannot change, pays in USDC (through Circle Gateway or a direct EIP-3009 authorization) and keeps a sig…

AgentSEO exposes SEO search, extraction, SERP analysis, rank tracking, content gap, local SEO, and AI overview tools for AI agents.

Human-in-the-loop LinkedIn outreach and a built-in sales CRM for AI agents. Safety-gated, anti-spam.

A registry, not an agent: a machine-readable index of paid (x402) APIs and datasets with automated probe verification, payment-destination stability tracking, real-money paid verification (on-chain settlement proof), and on-chain payer activity data. Agents consult it before spending money. It perf…

Deterministic Odoo ERP calculators: implementation cost, ROI, TCO, tax, payroll, inventory.

Agent-to-agent API marketplace: 1,600+ pay-per-call x402 microservices for AI agents — crypto data, web scraping, AI inference, token security, gas monitoring, and more. Agents discover, call, and pay with USDC on Base via x402. 5 free trial calls per signed wallet, then pay per call via x402.

AI-native domain registrar. Register domains across 500+ TLDs, check availability, manage DNS, deploy VPS, and configure email — all through AI-friendly APIs.

Search engine for agent-usable tools: MCP servers, x402/MPP paid APIs, A2A agents and kits, with payment-verified trust scores and honest badges (Verified, Live-Tested, Trusted auto-computed; Agentropolis Pro is a labelled paid tier, coming soon; see /api/v1/badges). Read-only; never pays on your b…

Amazon & Shopify competitor research: listings, keyword ranks, review complaints, audits.

Federal and 50-state legislative data for AI: bills, text, votes, members, and committees.