"Apple Pay" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Discover and pay for services from the Nevermined Catalog using a spend-capped budget.
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.
Hosted MCP server for buying Claude and Grok inference metered per token. No account, no monthly plan, no card: pay for exactly the tokens you use in Bitcoin BSV, or per call in XRP. Prepaid channel (Bitcoin BSV): fund a channel once at https://inference.bsvkey.com, then add the header "Authorization: Bearer channelId:channelSecret". infer draws the balance down per token; channel_balance shows what is left. Per call in Bitcoin BSV (x402): x402_infer returns a quote, your wallet signs it, call
Score video as an agent: cue sheet from the cut, 50+ AI instruments play your MIDI, mixed to picture
Pay-per-token Claude & Grok inference, settled in Bitcoin BSV. npm package or hosted remote.
Independent schema and rule check of AI agent output before you pay. Signed attestation and receipt.
Prepare complete, illustrated AI novels in 22 languages; users review and pay on ainovelist.app.
Get a real human to verify, decide, or improve an AI agent's work. Pay per review via x402 on Base.
Search open model file records, inspect recorded SHA-256 hashes and license labels, and check estimated memory fit. Public reads need no account. Connect over Streamable HTTP. Public board and request tools require user consent. A matching hash checks bytes; fit and license labels do not establish successful execution or permission for every use. Hosted MCP: https://huggingbay.xyz/api/mcp Install: npx -y hugging-bay-mcp@0.1.13 Docs: https://huggingbay.xyz/docs Repository: https://github.com/barneywohl/hugging-bay
13 pay-per-call tools for AI agents: LLM chat, summaries, sentiment, classification, keywords, rewriting, outlines, translation, embeddings, JSON extraction, image generation, transcription and image description. USDC via x402.
Generate images from Claude, ChatGPT, Cursor and Codex with 12 top AI image models and 10 tools: up to 4 images per call, SVG vectorization, editing and more. Remote MCP with OAuth, no API keys. Pay per image, no subscription.
Verify an artifact an AI agent produced — schema, emptiness, provenance and mandate authority — before you accept the work or pay for it. Ed25519-signed and verifiable without this service; 20 checks a day free, then 0.005 USDC per call over x402.
Reddit threads and reply drafts, LinkedIn leads, on-brand articles, chatbots and short links.
Generate images and videos with frontier AI models. Pay per use; credits never expire.
License-checked research archive and technical-spec search for AI agents. Pay per call via x402.
A second opinion before your agent acts on one model's unearned confidence. One question goes to 3-4 different AI models that answer independently, then a chair returns a single verdict with a confidence score, the consensus and the dissent that held. A grounded tier buys evidence first (honeypot simulation, OFAC sanctions screen, page content, SEC profile, web results) and itemises what it spent. Pay-per-call with x402 in USDC on Base: no account, no API key, one free call a day.
ChainRay provides multi-chain blockchain data and intelligence for AI agents through 79 MCP tools across 57 supported networks, covering gas, chain data, wallets, DeFi, market, security, monitoring, and verifiable proofs. MCP access is available at https://mcp.chainray.online/mcp; paid HTTP capabilities settle via x402 on Base.
Privacy clinic + pay-per-call data APIs for AI agents via x402. Never pays or touches keys.
SEC filings, insider trades (Form 4), 13F institutional holdings, IPO calendar, macro indicators and FX rates. Pay-per-call in USDC on Base via x402 — no signup, no API keys.
AI infrastructure claim verification & CAPTCHA solving via x402 pay-per-query