API Integration

Wrappers around third-party REST, GraphQL, and webhook APIs — Stripe, Twilio, SendGrid, GitHub, and similar services.

OAuth misconfiguration · token exposure · SSRF
6,475Total Servers
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ServerLanguageStarsDownloads
StressZero MCP - Burnout Risk Scoring

Burnout risk scoring across 3 dimensions (physical, emotional, effectiveness)

by gomessoaresemmanuel-cpu

TypeScript
Stripe

Integrates with Stripe's payment processing API to enable transaction processing, customer management, and subscription handling for financial applications.

44
Stripe_connect

Stripe MCP Pack — read-only access to Stripe data via API key.

by pipeworx-io

Stripe Fraud Control

Investigate suspicious payments with Radar risk signals, early fraud warnings, disputes, and refund history. Mitigate losses by issuing full or partial refunds fast. Go beyond the basics by tapping any Stripe API resource when you need custom actions.

@stripe/mcp

A command line tool for setting up Stripe MCP server

by GitHub Actions

TypeScript1.5k
@structured-world/gitlab-mcp

Advanced GitLab MCP server

by GitHub Actions

TypeScript
Strutter AI

AI-powered RFP response management. Search Q&A libraries, draft responses, and upload documents.

by Strutterai

@stubbedev/atlassian-mcp

MCP server for self-hosted Jira and Bitbucket

by GitHub Actions

TypeScript
StudioMeyer Crm

AI-native CRM with 33 tools. Pipeline, leads, Stripe sync, Magic Link auth. Free tier.

by studiomeyer

@stugal/strava-mcp-server

MCP server for Strava API

by stugal

TypeScript
Stumpy

Persistent AI agents that run 24/7 in your Slack, Telegram, SMS, or email.

by stumpy

submagic-mcp-server

AI-powered video editing MCP server with Submagic API integration

Python
Subotiz Dev MCP(Deprecated)

Connect AI assistants to Subotiz - Using Subotiz's external capabilities through natural language

by HanWei30

Subotiz MCP

Connect AI assistants to Subotiz - Using Subotiz's external capabilities through natural language

by Subotiz

Substack Ops

Substack content management and engagement automation — browse posts, reply, restack, and run automations via 26 tools.

by 06ketan

Python0
SUBSTRATE

Persistent AI entity framework with causal memory, emotional state, and identity.

by PKaldone

TypeScript
substrate-ai

Open-source framework for building stateful AI agents with memory, tools, and streaming. Works with any OpenAI-compatible API.

by Duzafizzl

Python17
SubwayInfo NYC

Real-time NYC transit data for subway, bus, ferry, commuter rail, and Citi Bike. Get live arrivals, service alerts, trip planning, and station info across all MTA services. Zero API key required - just connect and query.

Subway MCP Server

Provide a scalable and efficient server-side application framework to implement the Model Context Protocol (MCP) using Node.js and NestJS. Enable seamless integration of LLMs with external data and tools through a robust and maintainable server architecture. Facilitate rapid development and deployment of MCP servers with modern TypeScript tooling and best practices.

@suekou/mcp-notion-server

MCP server for interacting with Notion API based on Node

by suekou

TypeScript
Sugarbug

Workflow intelligence that connects your fragmented tools -- Linear, GitHub, Figma, Slack, Notion, email, calendars -- and builds a living knowledge graph of tasks, people, and relationships. Every signal understood, every dropped ball caught. Supports stdio and HTTP transport modes.

Sugra API

Connector between LLM agents and world data. 643 endpoints, 75+ primary sources.

by Sugra-Systems

Python
sukl-mcp

MCP server poskytující přístup k české databázi léčivých přípravků SÚKL (Státní ústav pro kontrolu léčiv). SUKL MCP Server implementuje Model Context Protocol a poskytuje AI agentům přístup k databázi 68 000+ léčivých přípravků registrovaných v České republice. Hlavní funkce_ 9 MCP tools pro komplexní práci s farmaceutickými daty Fuzzy vyhledávání pomocí Fuse.js s tolerancí překlepů Landing page s 13 sekcemi a interaktivním demo Pricing — 3 cenové úrovně (Free/Pro/Enterprise) s registračními formuláři Lead capture — formuláře pro registraci, enterprise kontakt a newsletter → Notion CRM + Resend email notifikace Guided demo onboarding — 3-krokový interaktivní tour (hledání → detail → ATC) MCP Streamable HTTP endpoint (JSON-RPC 2.0) na /mcp Demo chat bez LLM — regex/pattern matching pro ukázku tool calls GDPR souhlas — povinný checkbox ve všech formulářích s timestampem Analytics — Vercel Analytics + Umami tracking konverzního funnelu Dark/Light mode s plně responzivním designem Automatická aktualizace dat — CI workflow (měsíční cron)

SumUp MCP Server

Tools to explore SumUp accounts, payments, customers, and payouts.

by sumup

TypeScript
Sundr Repair Advisor

Repair or replace? Get device repair costs, local shops, trade-in values.

by KeithWyatt

TypeScript