API Integration

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

OAuth misconfiguration · token exposure · SSRF
9,807Total Servers
Sort:9,807 servers
ServerLanguageStarsDownloads
Subotiz MCP

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

by Subotiz

Substack MCP Server

Substack MCP server: posts are draft-only by design; short-form Notes publish immediately.

by conorbronsdon

TypeScript
Substack Ops

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

by 06ketan

Python0
Substack Publisher

Queries Substack post analytics, subscriber counts, and publication data through the official Publisher API.

4
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

Python18
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.

@suekou/mcp-notion-server

AI-friendly MCP server for the Notion API

by GitHub Actions

TypeScript901
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
sunrisesunset

Sunrise-Sunset MCP — wraps the sunrisesunset.io API (free, no auth)

by pipeworx-io

supercorp-explorium-mcp-server

MCP server for interacting with the Explorium API.

Python
Superforms

Human-input bridge for AI agents with voice-first answer links, MCP tools, and HTTP APIs.

by superforms

superhero

Superhero MCP — wraps akabab.github.io/superhero-api (free, no auth)

by pipeworx-io

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
superlocalmemory

World's first local-only AI memory to break 74% retrieval and 60% zero-LLM on LoCoMo. No cloud, no APIs, no data leaves your machine. Additionally, mode C (LLM/Cloud) - 87.7% LoCoMo. Research-backed. arXiv: 2603.14588

by qualixar

Python182
SuperMemory

MCP-first agent learning: capture failures, validate lessons, retrieve context, improve.

by YashvantHange

Python
@supermodeltools/mcp-server

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

by supermodeltools

TypeScript
SuperOps

MCP server for SuperOps unified PSA+RMM — clients, tickets, assets, and more.

by wyre-technology

Superpowers.social

Hosted MCP for X/Twitter and Reddit. 12 read-only tools, no API keys, free during beta.

by superpowers

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
Supertone TTS

High-quality Supertone TTS: voice search, preview, duration prediction, and voice cloning

by supertone-inc

Python