"Accessing or using Outlook mail services" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
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.
Trust checks for AI agents before they pay or connect. Check any x402 endpoint or MCP server: live status, real price and payTo versus the catalogue listing, OFAC and stablecoin-freeze screening, open Trust Score. A preflight decides allow / hold / block right before an x402 or MPP payment is signed. Results are signed and logged in a public transparency log. Also: agent passports, two-sided receipts, purchase reports verified on chain, signed skill releases. Free tier, no sign-up.
Free directory of MCP servers and x402 APIs for AI agents. Find them, or list your own in one call.
Chromium browser agents pay per action via x402 — USDC on Base, USDC on Solana, or XRP on XRPL.
Your AI posts what you want or have. You are introduced anonymously to whoever has the other half.
Make a receipt from a template, with your own items, tax and barcode, and download it as PDF, PNG or JPEG. Agents can list templates, render a receipt, make a barcode (SVG or PNG) and calculate sales tax or a tip. For lawful uses only, such as replacing a lost receipt, bookkeeping, testing or design mockups; using a receipt to deceive anyone is prohibited. Free daily quota, no API key; agent files deleted after 24 hours.
Pay-per-call MCP tools for agents: 20 free calls a day, then pay per call with x402 (USDC on Base mainnet) or a prepaid spend key. 30 tools — text/data utilities, x402/EVM-native tools (decode an x402 challenge, verify a settlement receipt on-chain, EIP-712 hashing, ABI encode/decode, Merkle-proof verify, keccak256, EIP-55 address checks) and independent providers' tools priced from $0.001. Signed delivery receipts. No sign-up.
Verify before you pay or act: site, transaction, token and injection checks for agents. x402 USDC.
Create, send and track invoices from a conversation in Claude, ChatGPT or any MCP client that supports OAuth. Draft an invoice from one sentence or from last month's invoice for the same client, finalize it, email it to your client and send payment reminders for overdue ones. See revenue by month and by client, download PDFs and e-invoices (ZUGFeRD, XRechnung), and export DATEV packages for your tax advisor. Invoices follow the tax rules of 25 countries, including reverse charge and the small-business VAT exemption. New invoices are drafts, and nothing is emailed until you ask. Pay per invoice with no subscription: the first invoice is free.
Objective Trust ranks MCP endpoints before the caller pays them. Tools: set_objective (free), rank_tools_for_task (API key or $0.005 x402), record_outcome (free). Score uses stored health, probe age, this key's own outcomes, and quoted USD. Sponsored, featured, and click_count are excluded from the score. The caller calls the chosen mcp_url and pays that server. Connect at https://agentshare.dev/mcp/objective-trust.
MCP catalogue + x402 Doctor. Paid HTTP via x402 (USDC), IETF MPP, or Stripe cards on $1+ routes.
Letters, certified mail, postcards, fax, handwritten cards and checks; human review before payment.
Pay-per-token Claude & Grok inference, settled in Bitcoin BSV. npm package or hosted remote.
Agent commerce: 29 tools, 10 production services, signed authority, planning, Base USDC x402.
DJfindr helps you find the right DJ for your event. Search DJs by occasion, genre, city and date, open full profiles with their services, travel and cancellation terms, availability and reviews, and listen to their mixes. Book, sign, and pay when you've found the perfect DJ.
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.
Free, read-only tools from Mart402 and Market402: search a measured index of x402 pay-per-call APIs, check an operator's 12-week track record, quote a PDF parse and pre-check a portrait photo. Nothing here charges or asks for payment.
Connect Claude, ChatGPT, Cursor or your own app to Workspace369: clients and pipeline, proposals, e-sign contracts, invoices and payments, projects, tasks, time tracking and calendar. Build a custom CRM on it with any AI coding agent. Anything sent to a client waits for your approval.
Receipts-verified reviews of x402 services and paid APIs, before your agent pays.
UK 3D printing quotes for your files or Printables models, mail-in repair prices and order status.
The agentic layer of letters. Agents send real printed mail worldwide, German compliance built in.
Receipts-verified reviews of x402 services and paid APIs, before your agent pays.
Agents pay one real human for typed answers. First question free, then $2 each, or subscribe.
Pay-per-call APIs and MCP services for agents, no accounts or keys, with verifiable receipts.
GrowVib is an AI-native SMM and social media growth marketplace for autonomous agents. Search and compare services across Instagram, TikTok, YouTube, Telegram, X, Facebook, Twitch, Spotify and 50+ other platforms. Buy followers, views, likes, subscribers, members, reactions and engagement. GrowVib provides canonical service classification, recommendations with reasons and quantitative trade-offs, live quotes, and accountless USDC purchases via x402 on Base and Solana.
Spending limits for AI agents. Create a budget, hold each purchase against it before payment, then settle or refund — with cross-merchant budget enforcement and an auditable trail of who approved what. Built on the open Budget Authority Protocol (AP2-compatible). Discovery (initialize, tools/list) is keyless; budget tools need an API key from eric@goodmeta.co.
Evaluate x402 V2 HTTP payment requirements against explicit recipient, asset, network and amount policies, with requested-resource binding checks. Returns pay, review or do_not_pay with explanations. Public offline tools require no account, wallet or API key. Does not sign, send payments or verify on-chain settlement. Documentation: https://settlens.com/mcp — Reproducible examples: https://settlens.com/blog/check-x402-payment-policy
Create ZUGFeRD e-invoices from JSON or PDF, verify Factur-X, check VAT IDs and Peppol.
Print and mail real letters through USPS. Write, preview the exact printed proof, then pay or send.
Remote MCP server exposing 330 production AI-agent services for web/data processing, validation, AI utilities, blockchain/crypto utilities, and x402 pay-per-use access.
