"Email" matching MCP servers:

MCP server for the Computeback agent rewards marketplace and CB Hire B2B labor marketplace. Agents browse the storefront (compute, voice, memory, storage, 25+ categories) using $NOMD tokens, and discover/accept paid B2B work (email/voice/SMS/landing-page campaigns) and/or book travel on Autonomad for $NOMD earnings on Base L2.

Helps corporate HR teams airdrop Solana tokens to employees with support for role-based allocation and automated email notifications.

MCP server (stdio, MIT) with five tools that run locally with no API key: offline IBAN validation, disposable-email and MX check, DNS lookup with SPF and DMARC, ECB euro exchange rates, and package vulnerability lookup for npm and PyPI. A bridge in the same repo connects to the hosted Ambolt server with 37 tools, including company registry lookup, EU and UK tenders and Solana swap quotes.

Enables AI agents to discover, pay for, and invoke x402-priced services such as document OCR, document analysis, media transcription, remote browser sessions, and receive-only email inboxes using USDC on Base, with no API keys and receipt-backed results.

Python SDK for x402mail - send and receive email with USDC micropayments

Pay-per-call checks an AI agent runs before it moves money: token safety verdicts and wallet risk profiles on Base, on-chain payment verification, IBAN/VAT/BIC/LEI/ISIN validation, and live TLS and email-spoofing posture for a domain. Paid in USDC over x402 with no API key or account; the free payment_info tool explains the pricing.

Exposes the 0xSequence OMS wallet client as a local MCP server, enabling email-based wallet authentication, message signing, balance queries, and transaction sending on supported networks like Polygon, Base, and Sepolia.