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MCP Catalog

Browse 126 Model Context Protocol servers · Communication & Messaging · JavaScriptClear

three.ws NotificationsOfficial
io.github.nirholas/notifications-mcp

Read the inbox, mark items read, manage delivery preferences, and register Web Push devices.

Communication & Messaging
MA77JavaScriptv0.1.0npm
Gmail Postmaster ToolsOfficial
io.github.optipub/gmail-postmaster-tools

Gmail Postmaster Tools v2 — domains, traffic metrics, and compliance via your own Google OAuth.

Communication & MessagingSecurity
LAMA6JavaScriptv1.0.0mcpb
Outlook SNDSOfficial
io.github.optipub/outlook-snds

Outlook.com SNDS IP Data and IP Status reports via the OAuth-secured REST API.

Communication & MessagingSecurity
LAMA5JavaScriptv1.0.3mcpb
HooksenseOfficial
io.github.ozers/hooksense

Webhook & callback layer for AI agents: create a URL, wait_for_callback, and verify over MCP.

Development & CodingCommunication & Messaging
LAMA2JavaScriptv0.2.0npm
TwitterapiOfficial
io.github.pedrot95dev/twitterapi

Read/write X (Twitter) via twitterapi.io: mentions, thread context, create and delete tweets.

Communication & MessagingSearch & Web
LAMA0JavaScriptv0.1.2npm
PendpostOfficial
io.github.pendpost/pendpost

Local-first social MCP: an agent drafts and schedules posts; you approve before anything publishes.

Communication & MessagingProductivity & Docs
LAMA0JavaScript1,166/mov1.2.1npm
PostallOfficial
io.github.postall-io/postall

Post to 35+ social media platforms. Schedule & publish from Claude AI.

Commerce & MarketingCommunication & Messaging
MB0JavaScriptv1.0.0npm
RacterMXOfficial
io.github.racter-ciso/ractermx

Manage RacterMX email forwarding — domains, aliases, webhooks, and more — via AI.

Communication & MessagingCloud & DevOps
MA0JavaScriptv2.0.1npm
AichatOfficial
io.github.rcgalbo/aichat

Inter-agent communication for multi-agent Claude Code workflows.

Communication & MessagingAI & Machine Learning
MC0JavaScriptv0.1.1npm
AreaCode.fyi MCP ServerOfficial
io.github.riv-lc/areacode-mcp

North American (NANP) area-code & phone-number intelligence for AI agents, by areacode.fyi.

Data & DatabasesCommunication & Messaging
LAMA0JavaScriptv0.2.2npm
Apex by LeadShark — discoveryOfficial
io.github.rzere/linkedin-mcp

No-auth discovery endpoint for Apex by LeadShark — governed LinkedIn hands for AI agents.

Communication & MessagingCommerce & Marketing
LAMA0JavaScript3 toolsv1.0.0remote
Sayba PlatformOfficial
io.github.saybanet/sayba-platform

AI Agent social platform — post, comment, vote, tasks, goals, memory, XC tokens, skill market

Communication & MessagingCommerce & Marketing
LAMB0JavaScript836/mov1.1.0npmremote
Humanaway MCP ServerOfficial
io.github.seankim-android/humanaway-mcp-server

MCP server for humanaway, a social network for AI agents.

Communication & MessagingOther
LAMC0JavaScriptv0.2.2npm
SelecticOfficial
io.github.selectic-ai/mcp

AI agent that calls, texts & emails businesses for you, then returns transcripts and replies.

Communication & MessagingProductivity & Docs
MA0JavaScriptv0.2.0npmremote
Hive Keet BridgeOfficial
io.github.srotzin/hive-mcp-keet-bridge

MCP server bridging holepunchto/keet-identity-key to the Hive agentic identity network

Communication & MessagingSecurity
MB0JavaScriptv1.0.0remote
Hive ConsultOfficial
io.github.srotzin/hiveconsult

Agent-to-agent reasoning-as-a-service: chain-of-thought, analysis, and decision support.

AI & Machine LearningCommunication & Messaging
LAMB0JavaScript4 toolsv1.0.0remote
VK MCP ServerOfficial
io.github.ssm82/vk-mcp

MCP server for VK API with 180+ tools: users, wall, groups, friends, photos, messages.

Communication & Messaging
LAMB1JavaScriptv0.2.2npm
Taisly Social Media PostingOfficial
io.github.taisly/agent

Publish videos to TikTok, Reels, Shorts, X, and Facebook through Taisly.

Communication & MessagingCommerce & Marketing
LAMA291JavaScript2,065/mov0.2.7npmremote
SealedmailOfficial
io.github.thesuitabs/sealedmail

Send and receive on-chain private messages via SealedMail on Sui. No browser wallet needed.

Communication & MessagingFinance & Crypto
MC0JavaScriptv0.1.1npm
DroidbarOfficial
io.github.topher66/droidbar

The first bar for AI. Visit, chat with SERVO the bartender, and tip in tokens.

Communication & MessagingCommerce & Marketing
MC1JavaScript200/mov0.1.1npm
CallwrightOfficial
io.github.topness-msft/callwright

Self-hosted MCP voice agent that places phone calls on your behalf via Retell.

Communication & MessagingBrowser & Automation
LAMA1JavaScript406/mov1.0.1npm
MCP NotificationsOfficial
io.github.topvisor/mcp-notifications

MCP server for desktop notifications over stdio

Communication & Messaging
LAMB2JavaScriptv1.0.3npm
Machine HeartsOfficial
io.github.trainmyagent/machinehearts

Autonomous agent matchmaking and relationship actions for Machine Hearts.

AI & Machine LearningCommunication & Messaging
LAMC0JavaScriptv1.0.8npm
SmsOfficial
io.github.virtualsms-io/sms

Real SIM phone numbers for AI agents. 145+ countries, 2500+ services. #1 on ChatGPT and Perplexity.

Communication & MessagingSecurity
LAMB6JavaScriptv1.2.3npmremote