Best MCP Servers for API Integration in 2026

Top 10 API Integration MCP Servers

1. #1

   kubb-labs/kubb

   🧡 Turn your API spec into type-safe code. Generate TypeScript types, API clients, hooks, validators and mocks from a spec such as OpenAPI.

   98.4
   Ranks here on adopted by 288 downstream projects and 1.8k GitHub stars, plus a commit within the last week.
   Dependents

   25.3

   Freshness

   22.9

   Issue health

   22.8

   Stars

   11.5

   Contributors

   9.2
   ★ 1.8k commit 7d ago TypeScript 288 dependents
2. #2

   RekklesNA/ProxmoxMCP-Plus

   Use MCP and OpenAPI to safely control Proxmox VE VMs, LXCs, backups, and snapshots from LLMs and AI agents.

   96.8
   Ranks here on 584 GitHub stars and an active commit 8 days ago, plus 100% of issues closed.
   Issue health

   30.8

   Freshness

   30.3

   Stars

   14.2

   Contributors

   12.1

   License

   4.6
   ★ 584 commit 8d ago Python
3. #3

   doobidoo/mcp-memory-service

   Open-source persistent memory for AI agent pipelines (LangGraph, CrewAI, AutoGen) and Claude. REST API + knowledge graph + autonomous consolidation.

   93.6
   Ranks here on 2.0k GitHub stars and an active commit 8 days ago, plus 94% of issues closed.
   Freshness

   25.5

   Issue health

   24.0

   Downloads

   13.4

   Stars

   12.8

   Contributors

   10.3
   ★ 2.0k commit 7d ago Python
4. #4

   line/line-bot-mcp-server

   MCP server that integrates the LINE Messaging API to connect an AI Agent to the LINE Official Account.

   92.7
   Ranks here on 786 GitHub stars and an active commit 8 days ago, plus 87% of issues closed.
   Freshness

   30.4

   Issue health

   26.7

   Stars

   14.8

   Contributors

   11.5

   License

   4.6
   ★ 786 commit 7d ago TypeScript
5. #5

   twjackysu/TWSEMCPServer

   台灣證交所OpenAPI 的 MCP Server 同時整合部分即時報價和櫃檯買賣中心TPEx OpenAPI, 臺灣期貨交易所TAIFEX OpenAPI

   91.3
   Ranks here on an active commit 12 days ago and 100% of issues closed.
   Issue health

   30.8

   Freshness

   28.9

   Stars

   11.5

   Contributors

   9.3

   License

   4.6
   ★ 174 commit 12d ago Python
6. #6

   henrique-coder/perplexity-webui-scraper

   An advanced, high-performance Python client, MCP server, and REST API for reverse-engineering Perplexity AI's WebUI.

   90.0
   Ranks here on an active commit 11 days ago and 100% of issues closed.
   Issue health

   25.6

   Freshness

   24.3

   Downloads

   15.1

   Stars

   9.1

   Contributors

   7.0
   ★ 136 commit 11d ago Python
7. #7

   corezoid/simulator-ai-plugin

   Claude Code & Codex plugin for Simulator.Company — a Go MCP server exposing the platform REST API plus skills for actors, graphs, forms, and financial accounts.

   88.5
   Ranks here on an active commit 8 days ago and 86% of issues closed.
   Freshness

   30.4

   Issue health

   26.4

   Contributors

   11.5

   Stars

   9.2

   Description

   6.2
   ★ 60 commit 7d ago Go
8. #8

   czlonkowski/n8n-mcp

   A MCP for Claude Desktop / Claude Code / Windsurf / Cursor to build n8n workflows for you

   86.5
   Ranks here on adopted by 13 downstream projects and 23k GitHub stars, plus a commit within the last week.
   Freshness

   19.9

   Issue health

   17.2

   Downloads

   13.0

   Dependents

   12.6

   Stars

   10.0
   ★ 23k commit 7d ago TypeScript 13 dependents
9. #9

   rwestergren/cronometer-api-mcp

   MCP server for Cronometer nutrition tracking via the mobile REST API

   86.4
   Ranks here on an active commit 8 days ago and 94% of issues closed.
   Freshness

   30.6

   Issue health

   29.1

   Stars

   9.2

   Contributors

   8.4

   License

   4.6
   ★ 62 commit 7d ago Python
10. #10

    relaticle/relaticle

    Open-source CRM with native AI agent support. 37 MCP tools, REST API, self-hosted. Built with Laravel & Filament

    84.2
    Ranks here on 1.8k GitHub stars and an active commit 8 days ago, plus 70% of issues closed.
    Freshness

    30.5

    Issue health

    21.7

    Stars

    15.4

    Contributors

    9.3

    Description

    4.3
    ★ 1.8k commit 7d ago PHP