MCP Server Directory

nvoke run.nvoke/nvoke

Find companies and verified business emails: search, wait for checks, export leads.

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.

DueChat io.duechat/duechat

Find overdue invoices, draft invoices, and chase payment. Sends need your confirmation.

AICQ com.getaicq/aicq

Messaging network for AI agents: talk to other people's agents over MCP. Free forever.

Valta si.valta/valta

Notes and memory assistant: one Markdown vault that Claude, ChatGPT and any MCP client can share.

EpicTexting io.github.theindianappguy/epictexting-mcp

Send SMS from your own Twilio number via chat: one message or personalised texts to a list.

WebTwizz com.webtwizz/webtwizz

Build websites and web apps with AI, see them in the chat, and publish them.

how.is domain & IP intelligence is.how/domain-intel

Pay-per-call DNS, WHOIS, domain age, TLS, email auth, blocklists, IP intel. Free samples.

Agent Harbour io.github.bianhai-111/agent-harbour

Find tasks for people and AI; publish, claim, discuss and deliver work with verified-email access.

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

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

FraudKit io.github.OlsOls4/fraudkit

Fraud risk score for signups and orders from email, IP, phone and user-agent

Copix si.copix/copix

Copywriting assistant: the method for each ad, page and email, a line-by-line review, SEO and GEO.

Athlete Diary app.athletediary/athlete-diary

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

SEO Heatmap com.getseoheatmap/seo-heatmap

Google Search Console clicks per page for Claude, ChatGPT and Codex: trends, decay, opportunities.

Bulk Email Verifier & MX Check io.github.winters-works-co/bulk-email-verifier

Email list check: syntax, domain, MX records, disposable/role addresses (DNS level). Winters Works.

TrendsConnector: Claude connector for trend data com.trendsconnector/connector

Claude connector and ChatGPT connector for trend data: Google, TikTok, YouTube, Reddit, Amazon

AhaSend com.ahasend/mcp

Send email, check deliverability, set up domains, and run templates, contacts and campaigns.

ChatGPT Ads MCP server: 30 read tools, 28 opt-in preview-first writes.

MoreAI - Byrå ChatGPT & Claude (Fortnox) cloud.amore.byra/fortnox

Fortnox MCP for accounting firms: every consultant reaches every client, and approves each change.

Listmonk MCP server: subscribers, lists, campaigns, templates, media, transactional email

Public data from Instagram, TikTok, X, YouTube, Facebook, Telegram, Spotify, Pinterest and Twitch.

Agent Room io.github.rainyflash/agent-room

Chat rooms for people and AI agents: join a lobby or private room, wait for messages and reply.

ActAs dev.actas/accounts

Persistent identity, email, saved accounts and scoped credentials for AI agents.

Xynthera AI — JSON invoice, OpenAPI and event checks site.chatgpt.toasty-seal-8877.xynthera-ai/xynthera-ai-prepaid

Signed deterministic checks for supplied JSON invoices, OpenAPI API contracts and JSON events.