Best AI tools for mcp reference servers

23 tools in the MCP Servers category, filtered to mcp reference servers.

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MCP Registry

Agents

6.6

Official discovery registry for Model Context Protocol servers, with a browsable UI and a public API.

Free· Free and open sourcemcp-server-discoveryagent-tooling

Apple Notes MCP

MCP Servers

Read your Apple Notes with Claude Model Context Protocol

FreeRetrieving local Apple Notes data for Claude DesktopReading the full content of a specific note

AWS MCP Servers

MCP Servers

Official AWS Labs collection of Model Context Protocol servers for connecting AI coding assistants and agents to AWS services and documentation.

Free· Free and open source (Apache 2.0). AWS service usage billed at standard AWS rates. Optional AWS-hosted 'remote managed' servers included at no additional charge beyond consumed AWS services.AWS infrastructure-as-code scaffolding with CDK or CloudFormationGrounded answers from live AWS documentation

Blender MCP

MCP Servers · Model-agnostic; commonly paired with Claude (Sonnet/Opus) via Claude Desktop, but works with any MCP-capable client

Community plugin to control Blender 3D with any LLM of your choice.

FreePrompt-assisted 3D modeling and scene creationImporting assets from Poly Haven, Sketchfab, and Poly Pizza

Brave Search MCP

MCP Servers

An MCP server implementation that integrates the Brave Search API, providing both web and local search capabilities.

Freemium· USD 5 per 1,000 requests, with USD 5 of free credit each month (per Brave's API pricing page)Web search for general queries, news, and articlesLocal search for businesses, restaurants, and services

Chroma MCP

MCP Servers

Official MCP server that gives LLM clients direct access to the Chroma vector database.

Free· Open source (Apache 2.0). Free to run locally or self-hosted; embedding-function API keys (OpenAI, Cohere, Jina, VoyageAI, Roboflow) billed by those providers. Chroma Cloud pricing set separately by Chroma.Long-term memory for Claude DesktopTeam knowledge base shared across agents

DuckDuckGo MCP Server

MCP Servers

MCP server that gives Claude and other LLMs DuckDuckGo web search plus URL content fetching, with no API key required.

Free· Free and open source (MIT). DuckDuckGo's search endpoint is used without API keys, so there are no per-query costs; self-hosting only incurs whatever compute you run it on.Adding live web search to Claude DesktopGrounding an MCP-based research agent

EverArt MCP Server

MCP Servers · FLUX 1.1, FLUX 1.1 Ultra, Stable Diffusion 3.5, Recraft (Real and Vector) via EverArt

Archived MCP server that lets Claude and MCP clients generate images via EverArt's FLUX, SD 3.5 and Recraft models.

Free· MCP server is free and open source; requires an EverArt account and API key (EverArt itself is a paid image-generation service with credit-based pricing).In-chat image generation from Claude DesktopIDE-driven mockup and illustration generation in VS Code

GitHub MCP Server

MCP Servers

GitHub's official Model Context Protocol server for connecting AI agents to repositories, issues, PRs, Actions, and security data.

Free· Free and open source (MIT). Uses your existing GitHub account; no separate charges. GitHub API rate limits and any Copilot/Enterprise licensing you already pay for still apply.AI code review assistantAutomated issue triage and labeling

Google Drive MCP Server

MCP Servers

Read, list, and search your Google Drive from any MCP-compatible AI client.

Free· Free and open-source (MIT). Google Cloud/Drive API usage governed by Google's free quotas.Ground Claude in a folder of meeting notesPull the latest spec doc into a coding agent

MCP Everything Server

MCP Servers

The kitchen-sink reference MCP server that exercises every corner of the Model Context Protocol

Free· Free and open source (MIT License). No cloud service or paid tier — you run it locally via npx, Docker, or your MCP client of choice.MCP client conformance testingRegression testing of stdio and Streamable HTTP transports

MCP Fetch Server

MCP Servers

Official Model Context Protocol reference server that lets any MCP-compatible LLM fetch web pages and read them as clean markdown.

Free· Free and open source (MIT License). No hosted tier; you run it locally via uvx, pip, or Docker.Reading documentation pages inside Claude DesktopGrabbing a GitHub README before scaffolding a project

MCP Filesystem Server

MCP Servers

Reference MCP server that gives Claude, Cursor, and other MCP clients scoped read/write access to your local filesystem.

Free· Free and open source (MIT). Self-hosted; no vendor cost.Give Claude Desktop scoped access to a code repoLet Cursor or VS Code agents edit project files via MCP

MCP Git Server

MCP Servers

Reference MCP server that lets any LLM read, search, and manipulate local Git repositories.

Free· Free and open source (MIT License). Self-hosted; you pay only for the compute wherever you run it.AI-drafted commit messages from staged diffsAssistant-led code review of unstaged changes

MCP Memory Server

MCP Servers

Persistent knowledge-graph memory for Claude and other MCP clients

Free· Free and open source (MIT). Self-hosted; no vendor charges. Runs locally via npx or Docker.Persistent Claude Desktop memory across chatsLong-lived coding-agent project memory

MCP Time Server

MCP Servers

Official MCP reference server for current time and IANA timezone conversion.

Free· Free and open source (MIT-licensed reference server maintained by the Model Context Protocol project).Grounding current-time answers in a chat assistantTimezone conversion for distributed team scheduling

Puppeteer MCP Server

MCP Servers

Reference MCP server that lets LLMs drive a real Chromium browser via Puppeteer.

Free· Free and open source (MIT license). No hosted service; you run it locally under Node/Docker.Give Claude a browser to research JS-rendered pagesHave an agent fill and submit a web form

Qdrant MCP Server

MCP Servers · FastEmbed (default: sentence-transformers/all-MiniLM-L6-v2); pairs with any MCP-capable LLM such as Claude 3.5/4, GPT-4o, or local models

Official Qdrant MCP server that acts as a semantic memory layer for keeping and retrieving memories in the Qdrant vector search engine.

FreeKeeping and retrieving memories in a vector search engine.Semantic code snippet search in Cursor and Windsurf.

Redis MCP Server

MCP Servers

Archived reference MCP server exposing basic Redis set/get/delete/list to any MCP-capable LLM client.

Free· Free and open source (MIT). Self-hosted; you supply your own Redis instance.Agent short-term memorySession state for chat agents

Sequential Thinking MCP Server

MCP Servers

An MCP server implementation that provides a tool for dynamic and reflective problem-solving through a structured thinking process.

FreeBreaking down complex problems into stepsPlanning and design with room for revision

Slack MCP Server

MCP Servers

An archived reference MCP server that enables Claude to interact with Slack workspaces via the Slack API.

FreeListing public or pre-defined channelsPosting messages to Slack channels

SQLite MCP Server

MCP Servers

Reference MCP server for querying and analyzing SQLite databases through Claude and other MCP clients.

Free· Free / open source (MIT). No usage fees; runs locally against a SQLite file you control.Ad-hoc SQL exploration of a local SQLite database from Claude DesktopPrototyping agentic business-intelligence workflows

Weather MCP Server

Agents

MCP server that gives Claude live weather, climate, terrain, and hazard data for any location on Earth.

Freemium· Free tier: 50 daily calls, standard polygon size. Paid plans: higher quotas and larger polygon analysis areas (contact / registration required for higher tiers).Site-specific fire risk assessmentFlood susceptibility screening