MCP Servers

🎖️ - Official Appwrite MCP server. Connect via hosted OAuth at https://mcp.appwrite.io/ (no API keys) or self-host with a project API key to manage databases, auth, users, functions, storage, messaging, and more.

Governed PostgreSQL DBA operations — slow-query, bloat, and blocking-lock RCA, index management, vacuum/analyze, and replication lag (35 tools) with unbypassable audit logging (MCP + CLI), budget/runaway guards, dry-run, and undo/rollback.

Hosted MCP server for YaniFend, a WordPress feedback widget — manage your questionary (list / create / update / delete questions and options) and read collected answers via natural language.

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

MCP server for Pipedrive CRM. 155 tools covering deals, persons, organizations, activities, products, projects, tasks, leads, notes, mail, and fields. stdio transport, API-key auth, delete tools gated behind an env flag. Published on npm as @ckalima/pipedrive-mcp-server. MIT.

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).

B2B lead enrichment server integrating Hunter.io and Apollo APIs. 9 tools for email discovery, domain search, company data, and contact verification.

Local byte-wrangling toolbox: encoding (hex/Base64/Base32/Base58/Base45…), cryptographic + CRC hashing, base conversion, and CSPRNG tokens/passphrases, plus an opt-in Ethereum/EVM toolset (keccak, ABI/RLP codecs, EIP-191/712 hashing, function/event selectors, EIP-55). No network calls. uvx mcp-bytesmith.

On-chain Ed25519 identity for AI agents — verify seals by fingerprint, validate document signatures, and gate irreversible actions behind human-signed approval tokens. Hosted at api.waxseal.id/mcp; local install (npx @waxseal/mcp) for signing.

🎖️ - Official remote MCP server for Lobby, 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.

Management and automation server for the Cognigy.AI conversational AI platform, exposing 132 tools across flows, agents, snapshots, NLU, functions, and deployment. Published to the official MCP Registry. npx mcp-cognigy

Disposable email inboxes for AI agents — OTPs and magic links auto-extracted from verification emails. Test signups and auth flows, no signup needed.

MCP server for the Website Toolbox forum platform. Exposes the Forum REST API as MCP tools for Categories, Topics, Posts, Users, User Groups, Conversations, Messages, Moderators, Tags, and Page Views.

Local-first cognitive substrate for neurodivergent professionals: a translator for corporate ambiguity, a planner, and a guardrail that declines to amplify rumination, hyperfocus, or sycophancy. Hosted stateless tools over OAuth.

Email inbox API MCP server for AI agents to receive, search, and send mail through hosted or local Sendmux Product MCP.

Call, text, or push the user's phone when an agent needs input mid-task — reply by voice instead of babysitting a long-running or blocked terminal. Works with any MCP client, not just Claude. Install: npx -y @paigy/mcp@latest.

Hands your AI an entire Discord server: 148 tools covering chat, moderation, automod, events, and full administration, up to building a complete community server from one paragraph. One-command guided setup, and every destructive action previews and waits for your confirmation.

QQ MCP Server — connects to QQ via NapCatQQ (OneBot v11), giving AI agents direct control over QQ (send/receive messages, group management, auto-wake on incoming messages, and more).

Email marketing automation MCP server for Sequenzy. Manage subscribers, lists, segments, templates, campaigns, sequences, transactional emails, analytics, and AI-generated email content. Install: npx -y @sequenzy/mcp.

Email (IMAP/SMTP), mail filters (Sieve), calendar (CalDAV), contacts (CardDAV), and free/busy scheduling for Open-Xchange and standards-based mail platforms. Published on the official MCP Registry.

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.

AI agents read & send email, manage mailboxes, custom domains and webhooks via the QMailing API (npm stdio + hosted OAuth connector).

Business email MCP server for AI agents. Manage custom-domain mailboxes, read and send messages, draft replies, inspect threads, and automate Shipmail REST API/webhook workflows.

🎖️ - Official Sendchamp docs MCP server for AI coding agents. Read-only search and retrieval over SMS, OTP verification, and Africa-specific routing documentation. Endpoint: https://mcp.sendchamp.com/docs. Pair with Agent Skills via npx skills add sendchamp/ai.