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MCP servers tagged function-calling
125 live MCP servers tagged "function-calling", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with function-calling.
Yomo
🦖 Serverless AI Agent Framework with Geo-distributed Edge AI Infra.
Dexto
Agent harness and tookit for building AI agents and agentic applications. CLI and SDKs included
Aci
ACI.dev is the open source tool-calling platform that hooks up 600+ tools into any agentic IDE or custom AI agent through direct function calling or a unified MCP server. The birt…
Makerai
The AI Operating System for Delphi. 100% native framework with RAG 2.0, autonomous agents, MCP protocol, and universal LLM connector. Supports OpenAI, Claude, Gemini, Ollama, and…
Peta Core
The Control Plane for MCP — secure vault, managed runtime, audit trail, and policy-based approvals.
LLM Functions
Easily create LLM tools and agents using plain Bash/JavaScript/Python functions.
AIaW
AI as Workspace - An elegant AI chat client. Full-featured, lightweight. Support multiple workspaces, plugin system, cross-platform, local first + real-time cloud sync, Artifacts,…
Gemini Search
Model Context Protocol (MCP) with Gemini 2.5 Pro. Convert conversational queries into flight searches using Gemini's function calling capabilities and MCP's flight search tools
Mcpc
Cross-platform C SDK for Model Context Protocol (MCP), in modern🚀 C23.
Xemantic AI Tool Schema Mdc
Adapting xemantic-ai-tool-schema to Model Context Protocol kotlin-sdk Tool input
Toolregistry
ToolRegistry: A Protocol-Agnostic Tool Management Library for Function-Calling LLMs (OpenAI, Anthropic, Gemini, LangChain, MCP)
Cyrene Agent
一款开源、基于昔涟开发的桌面 AI 智能体/An open-source desktop AI agent based on Cyrene.
Fim One
LLM-powered Agent Runtime with Dynamic DAG Planning & Concurrent Execution
Gemma MCP
MCP Client for Gemma-3
Agentmaker
A general-purpose Python framework for building LLM agents and multi-agent systems. "Four lines of code, an agent with memory."
Dida RollingGo Hotel MCP Global
Official DIDA Hotel Booking MCP Server. 14-year travel tech data stack, 2M+ hotels at wholesale rates, 40+ LLM compatible. Free unlimited calls for businesses & individual devs. F…
SirChatalot
A Telegram bot that proves you don't need a body to have a personality. Works with any OpenAI-compatible LLM; agentic tools, MCP, RAG over your files, memory, vision, voice and im…
RollingGo Hotel MCP Global
Official RollingGo Hotel Booking MCP Server. 2M+ hotels at wholesale rates, 40+ LLM compatible. Free unlimited calls for businesses & individual devs. Filter by location, date, st…
1c AI Connector
ИИкона — AI-коннектор для 1С:Предприятие 8.3: LLM-провайдеры, агентская петля (function calling), RAG, MCP-сервер, мониторинг ошибок с ИИ-анализом, генератор диаграмм
LLM Dev Demo
Hands-on examples for LLM application development, including agents, RAG, MCP, structured output, and Text-to-SQL.
Agentweave
Pre-inference tool and agent routing for MCP, A2A and tool-rich LLM systems. Reduce candidate tools before model inference with policy-aware routing and recovery.
Agent Zero To One
从零开始学 AI Agent：17 章渐进教程 + 每章可运行代码 + 算法面试轨（100 题详解）+ 65 道模拟面试题 + 项目实战案例（真实 Go Agent 项目源码级复盘，76 道练习题）+ 本地多语言在线判题（Python/C++）。网页版双击即开，无需 API Key 也能跑完。
Observee
Observee (YC S25) lets you build AI agents with 1000+ integrations using MCPs with managed OAuth, Security and Observability
AgentRunKit
Lightweight Swift 6 framework for building LLM-powered agents — cloud + on-device inference via MLX on Apple Silicon
Agentlys
Lightweight AI agent library. Turn Python functions/classes into AI tools instantly. No verbose configs or complex abstractions.
Yaicli
YAICLI: A powerful command-line AI assistant with 25+ LLM providers. Features chat, command execution, quick queries, function calling, MCP support, and persistent history. Seamle…
Opencode LLM Proxy
Local AI gateway for OpenCode with tool/function calling — use any model via OpenAI, Anthropic, or Gemini API
ToolRAG
Unlimited LLM tools, zero context penalties — ToolRAG serves exactly the LLM tools your user-query demands.
Ia Na Pratica
IA na Prática: LLM, RAG, MCP, Agents, Function Calling, Multimodal, TTS/STT e mais
HarnessSmith
Forge your own agent harness — a config-to-code generator that renders a thin, standalone Python agent harness you fully own. No LangChain/LangGraph/ADK lock-in, no dependency on…
Learn Agent The Hard Way
笨办法学 Agent · 亲手打造一个 harness——不用框架，32 个练习亲手写出一个 agent harness 的每一层。系列第一本，全书已完结，三本各自独立不分先后。
Tier
A 1.5B model shown all 80 tools picks the right one half the time — not because it can't call tools, but because it can't find them. Tier adapts the tool presentation to model siz…
Chatsong
A lightweight, portable executable for invoking LLM with multi-API support - eliminating installation requirements while maintaining operational efficiency. 轻量级大语言模型api调用工具，无需安装，仅…
Java Agent Study
从 Java 开发者到 AI Agent 工程师的 30 天实战之路 | Spring Boot + Spring AI + MCP + Multi-Agent
Askit
LLM Function Calling Library and CLI with Support for MCP Servers
Plugin.delivery
AI plugin marketplace. SDK, gateway & developer tools for building function-calling plugins. OpenAPI compatible, multi-language support, Vercel edge deployment. Build chat plugins…
Tscg
TSCG — Deterministic tool-schema compiler for LLM agents. 50-72% token savings, 50 tools in 2.4ms. Phi-4 recovers from 0% to 90% accuracy. 459 tests, zero dependencies, MIT.
Oh My
Lint your MCP server before a model chokes on it. oh-my-mcp checks an MCP server's tool definitions — names that break function-calling, missing/weak descriptions, invalid input s…
Function Calling Adapter
This library provides a function calling adapter for the Model Context Protocol (MCP).
Conv
Standalone package for converting API specs into agent-ready tool surfaces.
Apiz
MCP (Model Context Protocol) server for apiz.ai — exposes generate / get_result / search_models / guide / account / speak / parse_video / transfer_url tools
Espresso MCP
An MCP Server for the Espresso Android Test Framework, crafted to improve testing capabilities and optimize development workflows.
Discover
Active tool discovery for AI agents — find, activate, and orchestrate 3,400+ governed MCP servers on demand
Scoutkit
Ready-to-use, tool-call-wrapped data-source clients for AI agents — Twitter/X (twitterapi.io), YouTube, Reddit, Hacker News, Google SERP (Serper), Exa, Tavily, and Apify (TikTok).…
Kleinanzeigen Reader
Read & analyze any kleinanzeigen.de listing from any AI system — MCP server, function-calling schemas, Claude skill & CLI. Dealer detection, damage flags, view counts, price track…
Zalo Agent
Self-hosted AI agent living inside Zalo (personal account). Multi-account, 15 tools + external MCP servers, web dashboard, scheduler, durable memory, rich-text messages. Provider-…
Agent Friend
Find the MCP schema issues eating your context window. 156 checks. Grade A+ through F. ESLint for MCP.
Skill Forge
A game content-ops agent factory and a controlled comparison of CLI-first tools, MCP tools, and native function calling—with and without Agent Skills.
GEO AI
Optimize websites for AI search engines with a universal TypeScript engine supporting Next.js, NestJS, WordPress, and Shopify integration.
TOAR
A production-grade, fully asynchronous C++23 agentic AI runtime that orchestrates ReAct (Reason-Act-Tool) loops with local and cloud LLMs. Zero external dependencies — JSON, corou…