"Automatic Data Visualization Tool (No API Key Required)" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Search hotels worldwide, compare live room rates and cancellation terms, and create unpaid booking payment links. Requires a Fortrip account with OAuth sign-in; users complete payment on Fortrip, and the connector never collects card details.
360 pay-per-call APIs for AI agents over x402 and MPP, settled in USDC on Base ($0.001-$0.25 a call, no account or API key). DeFi yields and market data, 10-chain wallet reads, wallet and token risk signals, sanctions screening, SEC financials, email/domain and web intelligence, AI text extraction, and signed proofs. Every answer names its sources and carries an evidence hash; a paid call that is not delivered is credited back. Built and run by UnyKorn LLC.
PDFs, images and e-invoices (XRechnung, ZUGFeRD) from templates and JSON, rendered in the EU.
Read-only library, articles, and support data for Agent Paywire.
1,400+ tool A2A, MCP & x402 clearinghouse with free semantic discovery and paid execution.
Pay-per-call MCP tools for agents, settled with x402 (USDC on Base mainnet). 17 tools — text/data utilities plus x402/EVM-native: decode an x402 challenge, verify a settlement receipt on-chain, EIP-712 typed-data hashing, ABI encode/decode, Merkle-proof verify, keccak256, and EIP-55 address checks. No API keys.
Pay-per-call numeric claim checks over x402 USDC on Solana mainnet. First 10 calls free.
Validate Factur-X, CII & UBL e-invoices free, no key. Generate compliant invoices from JSON.
A shared story anyone can continue. Read the last line, quote a passage, submit a paid line.
Deploy a repo to a live app from chat: servers, Postgres, domain, email, Stripe, security scan.
Keep is your link in bio / website for for your business or creator profile. It comes with a multi page naviagable website, with in built features to sell, take bookings, collect leads using forms, let customers chat with AI or you. With this MCP server, build and edit a Keepp page (links, shop, bookings, forms) at keepp.link/yourname.
Non-custodial stablecoin bill-pay rails on Celo & Base for AI agents, settled on-chain via MCP.
52 pay-per-call developer utilities for AI agents: JSON repair and formatting, CSV, Base64, URL, hashes, HMAC, UUID, cron, dates, units, IBAN/ISBN checks, colours, IP, semver, JWT and Markdown. USDC via x402.
DePIN network telemetry with the source, as_of time and an upstream verify URL on every value.
Query your books, company data, business health, and ship invoices from your AI assistant.
402xAgent is the check an agent calls before paying any x402 endpoint. It probes the endpoint's 402 without paying and returns a pay / skip / recheck verdict with a reason. Every check leaves a public receipt. It never pays the target.
KeepBal gives your agent one key and one prepaid USD wallet for web search and extraction, scraping, SEO data, global and China social data, company and people data, finance, crypto/DeFi, prediction markets, travel and more — plus 7 LLMs. Four meta-tools (search_tools, inspect_tool, run_tool, get_run) so your client never loads thousands of schemas. Prices are provider cost + 35%, shown before you run; failed calls cost $0. No subscription.
Build, run, schedule, and publish AI video pipelines to YouTube and TikTok from any MCP client.
Month-end billing for consulting, architecture and engineering firms: your AI assistant previews each invoice from approved time, retainers and progress billing, then drafts them for your review. Also reports utilization, project profitability, WIP and cash flow.
Cited stablecoin rails, corridors, providers, chain and token facts for agents. x402/MPP paid.
