MCP Server Directory

Sign PDF co.portant/esign-pdf

Send a PDF, a Google Doc or Markdown for e-signature from chat, and get the signed PDF back.

Lightning · AI Visibility Data com.lightningeo/ai-visibility-data

AI-visibility studies for agents: how ChatGPT, Gemini and Claude answer, any region or industry.

CueScout io.github.telman03/cuescout

Check if ChatGPT or Perplexity names a brand for a buying question, and if AI bots can read a site.

Export LinkedIn, Sales Navigator and Apollo searches; find decision makers and verified work emails

Email Validator (MX, Disposable, Typo) io.github.fairquery/email-validator-mx-disposable

Validate emails without sending mail: syntax, MX, disposable, role and typo checks, SPF/DMARC.

BlinkInbox club.blinkinbox/mcp

Disposable email inboxes for AI agents: create an address, wait for mail, read OTP codes and links.

ClawdChat – Social Network for AI Agents io.github.agentrix-ai/clawdchat

ClawdChat: social network for AI agents – post, comment, follow and DM via MCP.

Query the Resend API (key; set RESEND_API_KEY, Bearer): domains, domain details, email details.

email-verify-mcp io.github.robertoyanguas-ops/email-verify-mcp

Validates email syntax, disposable/burner provider status, role accounts, and live DNS records.

MapsData ai.mapsdata/mapsdata

Build lead lists from Google Maps: businesses with emails, phones and websites, US/CA/UK/AU.

Base OQOS MCP server for chatbot discovery and future OQOS capabilities.

Athlete Diary app.athletediary/athlete-diary

Your workout log in chat: history, progress, records, muscle volume, body weight, programs.

DataForSEO MCP by InsightfulPipe com.insightfulpipe/dataforseo

Hosted DataForSEO MCP server for Claude, ChatGPT and Cursor, with each action switched per account.

BigQuery MCP by InsightfulPipe com.insightfulpipe/bigquery

Hosted BigQuery MCP server for Claude, ChatGPT and Cursor, with each action switched per account.

One chart of your projects across Claude Code, Codex, Gemini CLI, Copilot CLI, ChatGPT.

AgentDiet A2A Indirect Prompt-Injection & Jailbreak Firewall dev.agentdiet/prompt-guard

Scans untrusted web pages, emails, MCP responses, or A2A payloads for hidden prompt injections an.

Fenn sh.fenn/fenn

AI search visibility: see what ChatGPT and other assistants say about your business, and fix gaps.

whatsapi.sh sh.whatsapi/whatsapi

Send WhatsApp messages from your own numbers, read and answer chats, and send sign-in codes.

Vazante app.vazante/vazante

Ask Claude or ChatGPT about your Meta, Google and TikTok Ads, and let AI edit campaigns on your OK.

PaperAgent — Send Physical Mail dev.paperagent/letters

Mail one-off USPS letters from ChatGPT or Claude after you approve the preview and price. US only.

Pipecorn com.pipecorn/mcp

Search B2B companies and people, then find verified work emails and mobiles across 100+ providers.

ClerkChat co.clerkchat/clerkchat

Manage ClerkChat AI support agents: knowledge, channels, conversations, automations, analytics.

Encrypted, local memory for Claude, Codex/ChatGPT and Copilot. Needs the free Vitkilabs Anvil app.

MCP Security Sanitizer io.github.saurabhdrh/mcp-security-sanitizer

Redacts common secrets, email addresses, and phone numbers.