API Integration

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

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5,274Total Servers
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ServerLanguageStarsDownloads
substrate-ai

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

by Duzafizzl

Python16
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
Sumo Logic

Integrates with the Sumo Logic API to perform log searches, enabling custom queries and analysis of log data for troubleshooting, monitoring, and generating insights from application logs.

9
SumUp Agent Toolkit

Develop payment products with SumUp. Interact with the SumUp API and search developer documentation.

11
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
Suno Music Generator

Generates music using the Suno API with custom lyrics, style tags, and continuation support.

0
Sunsama

Integrates Sunsama's task management and daily planning capabilities, enabling AI assistants to create, manage, and organize tasks through the Sunsama API.

by robertn702

TypeScript47
supabase-mcp-server

Query MCP enables end-to-end management of Supabase via chat interface: read & write query executions, management API support, automatic migration versioning, access to logs and much more.

by alexander-zuev

Python814
Supadata: Web & Video data API for makers

Turn YouTube, TikTok, Instagram, X videos and websites into structured data. Skip the hassle of video transcription and data scraping. Our APIs help you build better software and AI products faster.

supercorp-explorium-mcp-server

MCP server for interacting with the Explorium API.

Python
Superface (API Tools Ecosystem)

Bridges AI assistants with Superface's API tools ecosystem, enabling external API integrations while maintaining separation between assistants and third-party services

TypeScript4
Superhero Team Management

Provides a .NET-based superhero team management API for creating and managing heroes with various superpowers, forming teams, and executing missions with tracking capabilities.

5
SuperiorAPIs

Provides a bridge between AI systems and external APIs, enabling structured communication with third-party services through a set of callable tools built on the fastmcp framework.

Python0
@supermodeltools/mcp-server

MCP server for Supermodel API - code graph generation for AI agents

by supermodeltools

TypeScript
SuperSend

Manage contacts, campaigns, senders, and deliverability via SuperSend API

by Ktryberceo

superset-mcp-server

An MCP server for Apache Superset that dynamically exposes API endpoints as tools.

by Ponder

Python
suppa-mcp-server

MCP server for Suppa backend service — enables LLMs to interact with Suppa API (entities, instances, comments, users)

by demchuk_m

TypeScript
@suppleaardvark/jira-mcp-server

MCP server for JIRA integration

by timon.orawski

TypeScript
Supply Chain Digital Twin

Create digital twins of supply chains for disruption simulation, bottleneck identification, alter...

by Ryan-Clinton

SupplyMaven Supply Chain Intelligence

Real-time supply chain risk scores, manufacturing index, commodities, and port data.

by SupplyMaven-SCR

0
supporthero-mcp-server

MCP server for SupportHero Help Center API. Enables Claude and other LLMs to search, browse, read, and update help center articles.

by kogenesis

TypeScript
@surajadsul02/mcp-server-salesforce

A Salesforce connector MCP Server.

by surajadsul

TypeScript15