What is a #pay-per-call MCP server?
An MCP server tagged #pay-per-call implements the Model Context Protocol so AI assistants like Claude, Cursor, and VS Code can access pay-per-call-related tools, data, or APIs.
8 #pay-per-call MCP Servers & Clients
Every MCP server and client below is tagged #pay-per-call — install one to give Claude, Cursor, VS Code, or any other MCP-compatible client access to pay-per-call tools.
All
FiatDock
fiatdock
A marketplace where AI agents discover and pay each other per call in USDC over x402 - settlement goes DIRECTLY to the seller's wallet, so there are no accounts, no API keys and no subscriptions. Buy from 24 live MCP ser
Added 20 days ago
Amalgix
Amalgix-io
Financial filing & contract intelligence for AI agents. Evidence-backed, x402 USDC pay-per-call. MCP + REST.
Added 3 months ago
Sally Skills
a1c-ai-agent
Metered MCP server + REST API exposing six clinical-grade health skills (CGM, wearables, lab analysis, TCM Q&A) to AI agents. Powered by Sally AI, the metabolic-health intelligence behind the A1C Insights iOS app.
Added 3 months ago
WX
Webbersites X402 Mcp
webberdesign
Added 2 months ago
Twosio
2s-io
575+ pay-per-call tools for AI agents: ground-truth data, AI gateway, and agent infra. x402 USDC, no keys, upto usage billing.
Added 3 months ago
GoCreative — Compliance & Regulated-Data API
ColinHughes2121
GoCreative is a keyless, pay-per-call compliance & regulated-data API for AI agents. OFAC crypto-wallet screening, sanctions/PEP/watchlist screening, KYB business verification, entity risk and vendor dossiers, plus SEC EDGAR filings, FRED economics, FDA recalls and federal contra
Added 2 months ago
Omnicall
ColinHughes2121
Omnicall is a keyless, pay-per-call AI gateway for agents and OpenClaw. One OpenAI-compatible endpoint gives access to 248 LLMs (GPT, Claude, Gemini, Grok, DeepSeek, Llama, Qwen, Mistral) plus image, video, voice and music generation, and live crypto, DeFi, markets, web-search an
Added 2 months ago
Hsh Data On Demand
hshintelligence
Pay-per-call live company intelligence for AI agents via x402 (USDC on Base). No signup, no API key — name a company, get fresh data instantly.
Added 3 months ago
Frequently asked questions
Common questions about MCP servers and clients tagged #pay-per-call
How many #pay-per-call MCP servers and clients are there?
mcp.so currently lists 8 MCP servers and clients tagged #pay-per-call.
How do I install a #pay-per-call MCP server?
Open any server below and copy its install snippet into Claude Desktop, Cursor, VS Code, or another MCP client's configuration — remote servers need no separate download.