APIs & Integrations MCP servers

MCP x402 Accept

CryptoAPIs-io

Self-hosted MCP proxy that puts an x402 paywall in front of an existing MCP server

Nl Openapi MCP

rubato103

National Library of Korea Seoji OpenAPI search via REST API and local metadata harvesting

Zapier

zapier

Hosted MCP server connecting AI assistants to 9,000+ apps and 40,000+ actions via Zapier.

Affiliate Networks MCP

bobberrisford

Affiliate network reporting in your AI client. Bring your own keys. Most adapters experimental.

NWS Surface Wind Observations MCP Server

mansurjisan

NWS surface wind observations (ASOS/AWOS) via Weather.gov and Iowa Environmental Mesonet APIs

Stackapps Suite MCP

Explorer-64

StackApps suite gateway: Imagcon, StackBill, Dicta-Notes. Pay per call in USDC via x402.

MCP Package

OrdersOfMagnitudeLLC

MCP server for OOM x402 search 1,000+ pay-per-call API endpoints

Unraid MCP

jmagar

MCP server for Unraid API — provides tools to interact with an Unraid server's GraphQL API.

Thingctx

thingctx

Drive devices and APIs from their W3C Thing Description. You gate every operation.

Project Context Connector

devznsh

Give Claude complete understanding of your software project.

MCP Server Trello

delorenj

MCP server for Trello boards with rate limiting, type safety, and comprehensive API integration.

EntRoute

entroute

Discover and call pay-per-request (x402) APIs, ranked by reliability, latency and price.

bolthub

signaltech-org

The bolthub API marketplace, L402 gateways, and your other MCP servers, on one Lightning budget.

Eclipse Ditto

nagarjunr

MCP server for the Eclipse Ditto digital twin HTTP API (things, policies, connections, more).

Agent API Gateway

ZachDreamZ

Extract structured web data (product, article, company) for AI agents via Agent API Gateway

Universal Connector MCP

TeodorMCP

Security-first MCP server that connects any OpenAPI, GraphQL, gRPC or SOAP API to AI agents.

Hevy (unofficial)

almostjacked

Create Hevy routines and analyze your training from chat. Unofficial; BYO Hevy PRO API key.

Qnexus MCP

Blite-HQ

MCP server for Quantinuum Nexus, wrapping the qnexus SDK. Not affiliated with Quantinuum.

Apiosk Connect

obcraft

Discover, pay for, execute, and publish APIs through Apiosk.

Atimelogger MCP

zaplitny

MCP server exposing the ATimeLogger REST API (activities, reports, types)

Kr Dart Events

LJaysk

Real-time Korean corporate disclosure (DART) events. Pay per call in USDC via x402. No API key.

Kiwoom MCP

gejyn14

Kiwoom Securities REST API for Korean markets — 236 endpoints, streaming, gated order execution

kx402

Kali123411

Kaspa x402 agent payer — pay x402 v2 services on Kaspa (KAS) per call, no account or API key

Palveron Governance Gateway

palveron

Advisory governance checks for MCP hosts; enforcement runs in the Palveron remote MCP proxy.