MCP server directory

[SecObserve](https://github.com/MaibornWolff/SecObserve) vulnerability and license management from an agent: triage observations through the four-eyes approval workflow, manage products, branches and rules, import scan reports and SBOMs, run scans, and generate VEX. 18 tools over ~50 REST resources, with mandatory field projection and filter validation — a wrong filter name errors instead of silently returning the unfiltered list. `uvx secobserve-mcp`

An MCP server that securely interfaces with your iMessage database via the Model Context Protocol (MCP), allowing LLMs to query and analyze iMessage conversations. It includes robust phone number validation, attachment processing, contact management, group chat handling, and full support for sending and receiving messages.

MCP server for Mattermost API. List channels, read/post messages, manage threads and reactions, monitor topics. Supports flexible configuration via CLI args, environment variables, or config files.

MCP server for Calcom. Manage event types, create bookings, and access Cal.com scheduling data through LLMs.

Official Discourse MCP server for forum integration. Search topics, read posts, manage categories and tags, discover users, and interact with Discourse communities.

An MCP server for Inbox Zero. Adds functionality on top of Gmail like finding out which emails you need to reply to or need to follow up on.

Full Signal messenger MCP server and CLI. Send/receive messages, manage groups and contacts, search history, handle attachments and reactions. Runs locally via signal-cli — no third-party servers.

20 focused API tools for AI agents: schema generation, text extraction, token counting, regex/cron building, prompt optimization, web summarization, document comparison, and more. TypeScript SDK + LangChain wrappers included.

Swiss-army-knife utility server for AI agents. 18 tools including JSON validation, base64, hashing, UUID generation, regex testing, markdown conversion, datetime conversion, cron parsing, CSV/JSON conversion, JWT decoding, and more. Streamable HTTP MCP + REST API with x402 micropayments.

Self-hosted perception server for agents: local bilingual ASR, in-band vision, cross-lingual search, login-walled sources you hold credentials for, and a persistent relation graph.

Hourly LLM-ranked news briefings (AI, frontier labs, markets, sports, world) as structured JSON, rendered 480x800 e-ink pages and a free provenance dump of every candidate with dedupe metadata. 25 free calls/day, then a $9/month key or x402. Install via `npx -y github:jshelley/briefing-mcp`.

Browse the web using filesystem commands (ls, cd, grep, click). 38 MCP tools map Chrome's Accessibility Tree to a virtual filesystem via a Chrome Extension.

VMware vSphere/vCenter management — VM lifecycle (create/clone/delete/migrate), deployment, Guest Operations, snapshots, and cluster operations. 41 tools with double-confirmation gates, dry-run mode, and SQLite-WAL audit logging for destructive operations.

Token-efficient macOS WeChat MCP server for verified chat reading, text/file/sticker sending, fuzzy safe routing, smart context retrieval, and allowlisted live monitoring without screenshots or private-protocol access.

notmuch MCP server. Wraps the notmuch CLI to give your LLM access to a local Maildir: full-text search, tag filtering, thread view, attachment reading (PDF, office docs, .ics), related-thread lookup, and unanswered-mail tracking. Optionally write plain-text drafts into a local maildir (`--allow-drafts`) or manage tags (`--allow-tags`). No SMTP, no sendmail.

Fast MCP server for Apple Mail — 87x faster email fetching via batch JXA and FTS5 search index for ~2ms body search. 6 tools: list accounts/mailboxes, get emails with filters, full-text search across all scopes, and attachment extraction.

Email operating system for agents: a `search` tool to find the one message by sender/subject/content (no filesystem grep), two-axis triage (importance × urgency), an explainable "Right Now" lane, commitment follow-through, and reviewable drafts. A machine-verifiable hard-stop keeps money/banking-change/first-contact human-only (BEC defense). Zero-auth HTTP sandbox at radmail.ai/api/mcp/sandbox — no account, no key.

A MCP server along with MCP host that provides access to Mattermost teams, channels and messages. MCP host is integrated as a bot in Mattermost with access to MCP servers that can be configured.

Local MCP bridge for DaVinci Resolve Free and Studio, with timeline inspection, zoom animation, supported color adjustments, and duplicate-timeline review. Windows/Linux need live verification.

Multi-cloud pricing comparison across AWS, Azure, GCP, and OCI with 2,700+ instance types. Real-time pricing from public APIs, workload calculators, and migration savings estimator.

Give AI agents a real phone number and voice. Make outbound calls, handle inbound calls, send email, and manage contacts via 26 MCP tools. ~500ms voice latency (Deepgram Nova-3 + Claude + Cartesia Sonic-3). Install: `pip install spix-mcp`. [Free tier available](https://spix.sh).

A Model Context Protocol (MCP) server that provides tools for interacting with JMAP (JSON Meta Application Protocol) email servers. Built with Deno and using the jmap-jam client library.

244 WhatsApp Business tools: send messages, automate workflows, run campaigns, and manage CRM. Streamable HTTP + stdio.

Official remote MCP server for [Lobby](https://lobbyvoices.com/developers), an AI receptionist for small businesses. Seven free no-auth tools: write business phone scripts and IVR menus (English + Mexican Spanish), generate ElevenLabs agent system prompts, calculate missed-call cost, get a hire-a-receptionist verdict, role-play a call against the live receptionist engine, and get a real demo number to call. Typed structured outputs.

Official MCP server for [Perspective AI](https://getperspective.ai). An AI Concierge replaces static forms with adaptive AI conversations for lead qualification, customer research, onboarding feedback, and advocacy. Design conversation agents (Concierge, Interviewer, Evaluator, Advocate), analyze conversations, deploy embeds, and automate follow-ups (webhook, email, Slack, HubSpot).

An MCP Server for Korean stock analysis using OPEN DART API and KRX API

Official Jobicy MCP server to search, filter, and retrieve live remote job listings in real-time. Supports hosted SSE endpoint.

Data-center, power & gas intelligence MCP server. 33 tools covering 21,000+ data-center facilities (170+ countries), 232 US power markets scored by the DC Hub Power Index (DCPI), 2,000+ tracked M&A deals, ISO grid telemetry (PJM, ERCOT, CAISO, MISO, SPP, NYISO), fiber routes, and energy pricing. Free to cite (CC-BY-4.0).

Generate visual charts using [Apache ECharts](https://echarts.apache.org) with AI MCP dynamically.

Generate [mermaid](https://mermaid.js.org/) diagram and chart with AI MCP dynamically.

Statistical analysis, forecasting, and ML for business data (Shopify, Stripe, WooCommerce, eBay, GA4, Search Console). Upload a CSV or connect live data sources — ask a question in Claude or Cursor, get an interactive HTML report.

Scores a company against a weighted ideal customer profile, returning a 0-100 score, A/B/C tier, and per-signal breakdown.

Open-source customer feedback platform with built-in MCP server. Agents can search feedback, triage posts, update statuses, create and comment on posts, vote, manage roadmaps, merge duplicates, and publish changelogs.