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MCP servers tagged tool-calling
404 live MCP servers tagged "tool-calling", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with tool-calling.
Tool Catalog Compiler
A managed proxy gateway and compiler for AI agents. It takes noisy OpenAPI/MCP directories, compresses them in flat mode, saves tokens, and adds Governance.
Commonly Used High Value Skills
High-value AI skills repository for Codex, Claude Code, OpenClaw, agents, prompts, and automation workflows. 高价值的 AI 技能库，涵盖 Codex、Claude Code、OpenClaw、代理、提示和自动化工作流程。
DeepCopilot
Copilot-style AI coding agent for VS Code, powered by DeepSeek V4.
Opencode LLM Proxy
Local AI gateway for OpenCode with tool/function calling — use any model via OpenAI, Anthropic, or Gemini API
WPS AI
WPS Office 全家桶（文字/表格/演示/PDF）AI 助手：挂 OpenAI 兼容 / Anthropic / Codex 多家模型，AI 通过工具调用直接读写文档；支持生图、MCP、中英双语，覆盖 Windows / macOS / Linux（含国产系统）。
Codex Universal Proxy
Use Ollama,OpenRouter, Gemini, cohere and moonshot ai with Codex plugins, MCP tools, tool_search and apply_patch. Use any plugin you want with any OpenAI compatible api.
Prodagent
Production‑grade LLM agent framework. Built‑in checkpoint recovery, budget control, circuit‑breaker, security guardrails, state‑machine and observability for reliable agent deploy…
Janux
Janux - One component, two faces: UI for humans, MCP tools for AI agents. The agent-native fullstack framework.
Llmswap
Ask, compare, and synthesize across 10 LLM providers. Python SDK, CLI, local Arena, MCP, and privacy-aware Best Answer.
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…
Sourcerykit
Python SDK for accurate and verifiable agent tool use. Agents verify that answers came from the right source and were not changed. Downstream agents detect 100% of errors and retr…
Spring AI Privacy Guardrails
Privacy guardrails for Spring AI: request-scoped PII tokenization and least-privilege disclosure across model/tool calls, with Presidio and JVM-local OpenNLP.
Ochat
Text-first toolkit for building reproducible, composable LLM workflows as plain files in OCaml.
Phi Agent
Rust AI Agent framework with MCP support, extensible tools, streaming & multi-agent orchestration
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…
Intentframe
Structural security, governance and execution for AI agents: validate actions before they touch files, credentials, network, APIs, or money.
Client Langchain Py
Simple MCP Client CLI Implementation Using LangChain ReAct Agent / Python
Tool Calling Interview Prep
Comprehensive interview prep guide to learn about Agents, AI and tool-calling
Hexclaw
HexClaw — 企业级 AI Agent 后端。多模型对话，RAG 知识库，Tool Call 代理，Skill 系统，MCP 协议，代码沙箱，飞书/钉钉/Telegram 等多平台 IM 接入。Hexagon 生态 L3。
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…
Sun2agent
Open-source AI agent CLI with native MCP support, Human-in-the-Loop approval, 5-layer security guardrails, and optional Docker sandboxing.
Agent Tool Forge
Production LLM agent sidecar + Claude Code skill library for building, testing, and running tool-calling agents.
Graphql Enhanced
Enhanced MCP server for GraphQL with dynamic headers and robust variables parsing — a drop-in replacement for mcp-graphql.
Orchestrator Ts
Orchestrate MCP servers with Code Mode - let LLMs write TypeScript code for complex workflows. Supports multi-server coordination, secure VM sandboxing, and 60-75% token savings.
Helmet
Production middleware for MCP servers. Auto transport, content wrapping, health checks, graceful shutdown, auth, rate limiting, structured request logging. Wraps the official Mode…
Maestro Core
Runtime kernel for the Maestro agent platform — tool envelope, tool definition factory, base context, port interfaces, and AI-SDK + MCP adapters.
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).…
Ollama Agent Kit
Minimal Node.js library for building autonomous tool-calling AI agents on local LLMs with Ollama. A unified registry merges local (Zod) tools and MCP tools: define a tool once — y…
Ai.matey.mcp
MCP (Model Context Protocol) tool-calling for AI Matey - translate MCP tools into the IR tool-execution loop via an injectable client
Works
Mock, contract-test and guard MCP (Model Context Protocol) tool servers in Vitest with zero hassle
Hono Apcore
Hono adapter for the apcore AI-Perceivable module ecosystem
Agent MCP Pool
A pool of long-lived Model Context Protocol clients, exposing every connected server's tools to an OpenAI-compatible agent loop as `<slug>__<tool>`.
Aimatey
MCP (Model Context Protocol) tool-calling for Aimatey - translate MCP tools into the IR tool-execution loop via an injectable client
Works
Mock, contract-test and guard MCP (Model Context Protocol) tool servers in Vitest with zero hassle
Server
MCP server library + ratel-mcp CLI: expose a Ratel tool catalog as a Model Context Protocol server. Manage upstream MCP servers, OAuth, and Claude Code import from one binary.
Autonomous AI Agency
An AI-powered workforce platform that executes multi-agent tasks with automatic provider failover and CEO agent orchestration. It detects technology stacks across 1,000+ platforms…
Genpark MCP Protocol Proxy Router Skill
Model Context Protocol (MCP) JSON-RPC 2.0 proxy router with capability negotiation and dynamic tool dispatch
Genpark MCP Protocol Proxy Router Skill
Model Context Protocol (MCP) JSON-RPC 2.0 proxy router with capability negotiation and dynamic tool dispatch
Projectdavid Core
Self-hostable LLM agent runtime
HermesAgent
A self-improving AI agent with a learning loop, multi-platform messaging gateway, and a paper-themed web dashboard.
Execution State Preflight
Move both the checklist and the verdict outside the model. Slot-based preconditions for irreversible tool calls — execution reads a verdict record, never a conditional.
Jev Agent Authorization
Jev agent authorization for MCP tool calls: Kinde identity and permissions plus Jev's typed, calibrated decisions, checked server-side before every call runs
Keelson
A self-evolving agent harness — permission-gated execution, context folding, and a gated skill-update pipeline, validated with real benchmarks (including one that caught a bug in…
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-…
Catraca
Provenance-aware authorisation for LLM agent tool calls. Denies a call when a consequential argument came from untrusted content. Stdlib only.
EJAgent
EJAgent Core is an agent harness core with runtime control, extensibility, tool safety, context management, durable sessions, branching, and observability.
MCPGateway
Searchable MCP and AITool gateway for .NET, built on Microsoft.Extensions.AI with embedding-based tool discovery, lexical fallback, and unified execution
Ovat
OVAT: OpenVINO Agentic Toolkit for AI PC. One YAML file and one command give you a tool-calling AI agent on Intel CPU, GPU and NPU.
Agent Friend
Find the MCP schema issues eating your context window. 156 checks. Grade A+ through F. ESLint for MCP.
Pi T3chat
pi-t3chat t3.chat extension for Pi coding agent. 50+ frontier AI models (Claude Fable-5, GPT-5.6, Gemini 3.5, Grok 4.3, DeepSeek V4, Llama 4, Qwen 3) via t3.chat subscription. TL…