MCP Catalog

Browse 1,294 Model Context Protocol servers · npm · JavaScriptClear

CategoryAll Data & Databases· 2,860 Development & Coding· 2,793 Search & Web· 2,475 Finance & Crypto· 2,251 Productivity & Docs· 2,207 Commerce & Marketing· 2,197 Cloud & DevOps· 2,043 Knowledge & Memory· 1,825 Security· 1,810 AI & Machine Learning· 1,664 Media & Design· 1,068 Communication & Messaging· 832 Browser & Automation· 668 Other· 280

Prism MCPOfficial

io.github.prismatic-io/prism-mcp

MCP server that wraps Prismatic's Prism CLI tool

Cloud & DevOps

LAMA26JavaScriptv1.4.4npm

Outlook AssistantOfficial

io.github.littlebearapps/outlook-assistant

Microsoft Outlook MCP server — 22 tools for email, calendar, contacts, and mailbox management.

Communication & MessagingProductivity & Docs

LAMA25JavaScriptv3.8.1npm

Outlook MCPOfficial

io.github.littlebearapps/outlook-mcp

Microsoft Outlook MCP server — 20 tools for email, calendar, contacts, and settings via Graph API.

Communication & MessagingProductivity & Docs

LAMA25JavaScriptv3.2.1npm

MCP Memory GatewayOfficial

io.github.IgorGanapolsky/mcp-memory-gateway

Pre-action gates that block AI agents from repeating known mistakes.

Knowledge & MemoryAI & Machine Learning

LAMA24JavaScriptv0.7.4npm

Rlhf Feedback LoopOfficial

io.github.IgorGanapolsky/rlhf-feedback-loop

RLHF feedback loop for AI agents. Capture signals, promote memories, block mistakes, export DPO.

AI & Machine Learning

LAMA24JavaScript372/mov0.6.13npm

ThumbGateOfficial

io.github.IgorGanapolsky/thumbgate

Pre-action gates that block AI agents from repeating known mistakes.

SecurityAI & Machine Learning

LAMA24JavaScript3,858/mov1.27.17npm

BaepsaeOfficial

io.github.oozoofrog/baepsae

Local MCP server for iOS Simulator and macOS app automation with a native Swift bridge

Development & CodingBrowser & Automation

LAMC24JavaScriptv6.3.0npm

SpeclockOfficial

io.github.sgroy10/speclock

AI Constraint Engine — enforces CLAUDE.md and .cursorrules as laws. 51 MCP tools.

Development & CodingSecurity

LAMA23JavaScriptv5.5.3npm

Thunderbird CliOfficial

io.github.vitalio-sh/thunderbird-cli

Give AI agents full read/write email access via Mozilla Thunderbird. Zero credentials.

Communication & MessagingBrowser & Automation

LAMA21JavaScript378/mov1.0.2npm

Opendata CatOfficial

io.github.xaviviro/opendata-cat

15 Catalan portals: gov, Spanish stats, CORA research, Catalònica heritage (~2.2M items).

Data & DatabasesSearch & Web

MA21JavaScript8 toolsv0.4.6npmremote

Ux MCP ServerOfficial

io.github.elsahafy/ux-mcp-server

UX toolkit: 28 knowledge resources, 23 analysis tools & 4 workflow prompts for any MCP client

Media & DesignProductivity & Docs

LAMC20JavaScript567/mov4.1.1npm

A2asearch MCPOfficial

io.github.tadas-github/a2asearch-mcp

Search 10,000+ AI agents, MCP servers, and CLI tools via A2ASearch from any MCP client.

Search & WebDevelopment & Coding

LAMC20JavaScriptv1.1.5npm

Opencage Geocoding MCPOfficial

io.github.OpenCageData/opencage-geocoding-mcp

MCP server for OpenCage geocoding API

Search & WebData & Databases

LAMA19JavaScriptv1.0.3npm

DocGuardOfficial

io.github.raccioly/docguard

Deterministic doc-drift detection: guard, score, explain, verify-claims and diagnose MCP tools.

Development & CodingSecurity

LAMA19JavaScript1,916/mov0.30.0npm

Browser MCPOfficial

io.github.Agent360dk/browser-mcp

Control your real Chrome from Claude Code. 29 tools with CAPTCHA solving and multi-session.

Browser & Automation

MA18JavaScriptv1.16.1npm

Brilliant Directories MCPOfficial

io.github.brilliantdirectories/brilliant-directories-mcp

Official MCP server for Brilliant Directories — manage members, posts, leads, reviews, and more.

Commerce & MarketingProductivity & Docs

LAMA17JavaScript14,638/mov6.58.0npm

Rosetta MCP ServerOfficial

io.github.Arielbs/rosetta-mcp-server

Rosetta/PyRosetta protein modeling and Biotite translation for computational biology

AI & Machine LearningDevelopment & Coding

MC16JavaScriptv1.3.1npm

TransfaOfficial

io.github.colapsis/transfa

Upload any file, get a signed link. SHA-256 verified, TTL-enforced, no account required.

Cloud & DevOpsSecurity

LAMB16JavaScriptv1.0.1npm

Claude KVMOfficial

io.github.ARAS-Workspace/claude-kvm

MCP server — control remote desktops via VNC with a native Swift daemon and Apple Vision OCR

Browser & Automation

LAMC15JavaScriptv2.0.11npm

Multi Gmail MCPOfficial

io.github.gx-55/multi-gmail-mcp

Manage multiple Gmail accounts in Claude Desktop — search, send, reply, draft, and organize.

Communication & MessagingProductivity & Docs

LAMB14JavaScriptv1.0.1npm

Arduino MCP ServerOfficial

io.github.hardware-mcp/arduino-mcp-server

Arduino MCP server for CLI setup, board detection, compile/upload, serial monitoring, and pin refs.

Development & CodingBrowser & Automation

LAMC14JavaScript700/mov0.2.8npm

Neurodivergent MemoryOfficial

io.github.jmeyer1980/neurodivergent-memory

Persistent knowledge graph MCP server for neurodivergent thinking. BM25 search, no cloud LLM.

Knowledge & MemoryProductivity & Docs

LAMA14JavaScriptv0.1.8npm

Ui Annotator MCPOfficial

io.github.mcpware/ui-annotator-mcp

Annotates any web page with hover labels for AI assistants — zero extensions, any browser

Browser & AutomationDevelopment & Coding

LAMC14JavaScriptv0.1.6npm

Synter AdsOfficial

io.github.jshorwitz/synter-ads

Manage ad campaigns across Google, Meta, LinkedIn, Reddit, TikTok, and more via AI.

Commerce & Marketing

LAMA13JavaScriptv1.0.7npmremote