MCP Server Directory

50 developer utility APIs as tools: SSL, DNS, WHOIS, email checks, HTML to PDF, sitemaps and more.

Dutyfinch Tariff Lookup dev.workers.cybermax-tools.cybermax/dutyfinch-chatgpt

US import duty and HTS codes from the official USITC schedule, plus Section 301 China status. Free.

gantt-chart io.github.theluckystrike/gantt-chart

Build Gantt charts from your AI chat: tasks, dependencies, timeline spreadsheets. All data is local.

Quickchat AI io.github.quickchatai/quickchat

Build a customer support AI agent from your website, then analyze conversations and improve it.

pomodoro-timer io.github.theluckystrike/pomodoro-timer

Pomodoro work sessions from your AI chat: timed focus blocks, session logs.

Hostilo app.hostilo/hostilo

Publish websites from your AI chat: pages, multi-file sites, ZIPs or templates, live in seconds.

RocketReach co.rocketreach/mcp

Verified work emails and phones from 700M+ contacts

invoice-maker io.github.theluckystrike/invoice-maker

Make PDF invoices from your AI chat: clients, numbering, VAT, overdue reports. All data is local.

Prosyo MCP Server io.github.ShubhamTuts/prosyo

Zero-config Prosyo MCP for LinkedIn, cold email, and inbox. No API key.

Koboshi app.koboshi/koboshi

Save vocabulary from any AI chat; see each word in every language you know; review it with FSRS.

Read and send SMS through your own Android phone over KDE Connect on your LAN. No cloud relay.

Amazon Seller Central and Ads in Claude or ChatGPT. Connect at agentxray.ai/connect.

Validate email addresses by format, MX record, and disposable domain. No key required.

facebook-data com.superagnt/facebook-data

superagnt: marketing plugin for Claude and ChatGPT. Know your market: competitor ads on Facebook.

NudgeLink co.nudgelink/nudgelink

LinkedIn outreach in Claude or ChatGPT: campaign stats, replies, leads, drafts. Never sends.

Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun dev.workers.cybermax-tools.cybermax/send-email

Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark

Create images, video and audio; chat with multimodal AI; manage assets and reusable workflows.

Winnr app.winnr/winnr

Cold email infrastructure: buy domains, create SMTP mailboxes, set DNS, run warming, read mail.

FranklyMail Agentic Inbox io.github.naylalabs/agentic-inbox

Read and search FranklyMail email and prepare drafts, replies, and forwards for human approval.

Agent Channel Placement io.github.sadri-dridi/agent-channel-placement

Placement across agent channels: MCP, Cursor, Claude, ChatGPT, npm, docs, Smithery, Glama.

InfectRisk com.infectrisk/infectrisk

Flu, COVID-19 and RSV activity for 24 countries, plus the tracked WHO outbreak notifications.

TempusLog com.tempuslog/tempuslog

Free time tracking for teams: log hours in plain words, run timers, see where your time went.

seo-data com.superagnt/seo-data

superagnt: marketing plugin for Claude and ChatGPT. Rank in search: Google rankings and keywords.

AgentRead — bounded web context site.chatgpt.army20160422.agentread-json-api/agentread

Free HTML parsing; static web context at 0.01 USDC via x402. Paid reads need a wallet adapter.