API integration tools and connectors for linking AI systems with external services, databases, and third-party APIs.
162 tools
API Integration brings together the most relevant AI tools, MCP servers, and developer products for this topic on AgentIndex. It is designed to help you scan the landscape quickly before narrowing options by stars, licenses, freshness, and practical fit.
This page currently includes 162 tools in the category, making it useful for shortlisting open-source options, comparing popular projects, and building an initial evaluation set before deeper product testing.
| Name | Tagline | Category | Stars | License | Updated |
|---|
| python-sdkMost PopularEssential | The official Python SDK for Model Context Protocol servers and clients | API Integration | ★ 24.3k | MIT | 2026-09-10 |
| awesome-mcp-serversMost PopularTrending··· | A collection of MCP servers. | API Integration | ★ 94.8k | MIT | 2026-09-08 |
| python-utcpTrendingEssential | Official python implementation of UTCP. UTCP is an open standard that lets AI agents call any API directly, without extra middleware. | API Integration | ★ 648 | MPL-2.0 | 2026-09-06 |
| obsidian-mcp-serverTrendingEssential | Obsidian Knowledge-Management MCP (Model Context Protocol) server that enables AI agents and development tools to interact with an Obsidian vault. It provides a comprehensive suite of tools for reading, writing, searching, and managing notes, tags, and frontmatter, acting as a bridge to the Obsidian Local REST API plugin. | API Integration | ★ 675 | Apache-2.0 | 2026-09-09 |
| Stripe MCPTrendingEssential | Enable your Agent to process payments, check subscriptions, and manage customers via Stripe API. | API Integration | ★ 450 | — | 2026-01-12 |
| open-connectorTrendingEssential | Open-source auth gateway connecting 1000+ SaaS providers to AI agents through SDK, CLI, MCP, HTTP, and OpenAPI. | API Integration | ★ 5.7k | Apache-2.0 | 2026-09-10 |
| mcp-gscEssentialTrending | Google Search Console Insights with Claude AI for SEOs | API Integration | ★ 1.5k | MIT | 2026-07-29 |
| mcp-server-kubernetesEssentialTrending | MCP Server for kubernetes management commands | API Integration | ★ 1.6k | MIT | 2026-08-31 |
| meta-ads-mcpTrendingEssential | Meta Ads (Facebook/Instagram) MCP server for Claude, ChatGPT, Perplexity & Cursor — the Meta node of Pipeboard’s 5-platform family (+ Google, TikTok, Snap, Reddit). Hosted remote MCP, badged Meta Business Partner, free plan — no self-hosting required. | API Integration | ★ 1.3k | NOASSERTION | 2026-08-19 |
| MCPTrendingEssential | Official Jina AI Remote MCP Server | API Integration | ★ 845 | Apache-2.0 | 2026-08-26 |
| yahoo-finance2Trending | Unofficial API for Yahoo Finance with CLI, MCP and Agent Skill | API Integration | ★ 795 | MIT | 2026-08-09 |
| google-analytics-mcpTrendingHidden Gem | Google Analytics 4 data to AI agents, agentic workflows, and MCP clients. Give agents analysis-ready access to website traffic, user behavior, and performance data with schema discovery, server-side aggregation, and safe defaults that reduce data wrangling. | API Integration | ★ 241 | Apache-2.0 | 2026-09-10 |
| alpaca-mcp-serverEssentialTrending | Alpaca’s official MCP Server lets you trade stocks, ETFs, crypto, and options, run data analysis, and build strategies in plain English directly from your favorite LLM tools and IDEs | API Integration | ★ 956 | MIT | 2026-09-04 |
| Dataverse-skillsEssentialHidden Gem | Microsoft Dataverse skills for AI coding agents. Wraps the Dataverse MCP server, Dataverse CLI, Python SDK, and PAC CLI behind specialist skills for building, querying, deploying, and administering Dataverse environments. | API Integration | ★ 218 | MIT | 2026-09-09 |
| figma-mcp-bridgeTrendingHidden Gem | Figma Plugin & MCP server to bypass API limits | API Integration | ★ 574 | MIT | 2026-09-01 |
| mcp-odooEssential | MCP Server for Odoo | API Integration | ★ 407 | MIT | 2026-08-25 |
| secondhand-mcp | MCP server for searching secondhand marketplaces — Facebook Marketplace, eBay, and Depop. Works with Claude Desktop, Claude Code, and other MCP clients. | API Integration | ★ 72 | MIT | 2026-09-07 |
| autodesk-fusion-mcp | MCP server that runs inside Autodesk Fusion (formerly Autodesk Fusion 360) as an add-in, letting AI agents drive your CAD session over Streamable HTTP. Zero external dependencies. | API Integration | ★ 15 | MIT | 2026-09-07 |
| estonian-mcp | Get better Estonian writing from your AI agent. Offline MCP server (no third-party calls) wrapping EstNLTK, EKI Reeglid + Riigi Teataja. 26 read-only tools for spelling, morphology, orthography, kantseliit and legal Estonian. One-click from Anthropic's Connectors Directory, or self-host behind nginx. 99.1% on inflection_et, 100% EKI-adjudicated. | API Integration | ★ 20 | Apache-2.0 | 2026-09-10 |
| livetennisapi-mcpTrendingHidden Gem | MCP server for the Live Tennis API — give Claude, Cursor and other LLM agents real-time tennis scores, odds and model win-probability | API Integration | ★ 158 | MIT | 2026-09-10 |