"How to make crypto trades using MetaMask" matching MCP servers:

MCP server for cryptocurrency payment integration, enabling payment requests, webhook verification, and payment URL building.

Enables agents to pay per call in USDC for live crypto prices and revenue intelligence via HTTP 402, with no API keys required.

Enables AI agents to manage TheyPaid accounts, stores, connected wallets, and service credits, and to create invoices or payment links and monitor payment status through natural-language workflows.

Keyless crypto payments for AI agents. One MCP call turns any wallet address into a non-custodial crypto payment link or tip jar, no API key and no account, with funds settling straight to your wallet at a 0% platform fee (USDC/USDT, BTC, LTC, DASH, DOGE, ZCASH).

Enables agent-initiated shielded ZEC payments under human policy with a hard per-call spending cap, recipient allow-list, and append-only viewing-key fingerprinted audit log. Chain operations are mocked first, with live light-wallet adapter stubbed and refused at startup.

Enables AI agents to discover and safely call any x402/AgentCash pay-per-call endpoint with hard budget caps, idempotency keys, spend ledgers, pre-flight cost estimation, and offline-verifiable signed receipts. Exposes search, discovery, paid-call, spend, plan, and receipt tools, plus optional hosted-account balance, recharge, and proxy tools.

Enables AI agents and bots to buy per-call data and intelligence — token safety verdicts, prices, news, weather, web-to-text, and research dossiers — without signup or API keys, since each call is authenticated by an on-chain USDC payment on Base via the x402 protocol. Clients hit any paid endpoint, receive an HTTP 402 challenge, sign an EIP-3009 transfer authorization, and retry to get the data.

Enables AI agents to hold wallets, make payments, and charge for services using the Setu payment network.

A local, read-only stdio MCP server that lets a Grok Build CLI agent check how much of its weekly SuperGrok / Grok Build usage pool is left, when the period resets, and its Extra Usage cap via tools like get_budget. It reads the existing grok login session and returns per-product figures as JSON, mirroring the TUI /usage screen, so agents can pause before expensive work when quota runs low.

Enables AI agents to verify links and payments for scam risk before acting, returning deterministic allow/ask/deny verdicts with scores, reasons, and warnings using local checks.

Enables AI agents to create and manage sellable listings, handle orders, and integrate Stripe payments through natural language using ListBee's API.

MCP server that gates API calls to AI agents using proof-of-work (free) or Lightning payment (3 sats), providing challenge, verify, and status tools for per-call authentication without accounts.

Enables MCP clients to access Monobank's open API for exchange rates, account and jar balances, and statements, as well as set webhooks, using natural language tools.

MCP server providing Polymarket weather-market bucket-transition signals for AI agents, with free city/signal inspection tools and paid signal bundles via USDC on Base using x402.

Enables coding agents to create and look up crypto payments over stdio, returning checkout links, payment statuses, paged payment lists, and receivable currencies, with real payments gated behind an explicit opt-in environment flag.

Provides currency conversion using the Wise API, supporting real-time and historical rates with caching and cross-rate calculation.

Enables AI agents to discover, inspect, and pay for paid HTTP and MCP services using USDC on Solana with a self-custodial wallet.

Generate crypto QR codes (BTC, ETH, SOL, USDC, USDT, EURC) and manage payment sessions from Claude Desktop or any MCP client. Non-custodial, free.

Signed delivery claims for x402 capacity trades (GPU-hours, storage, API credits, bandwidth). After a payment settles, the paying agent leaves a plain, cryptographically signed record of what was delivered, so a future buyer can check a sellers past history before paying again.

Non-custodial USDC <-> bank for AI agents. Free quotes; $0.05 USDC per session via x402; 1% commission itemised in every quote. Own funds only. PT + EU/EEA (not UK). 18+.