MCP Server Directory

MailFerret com.appin60.mailferret/mailferret

Find and verify work emails with live SMTP checks and catch-all detection. Free 10 calls/day.

Atwork so.atwork/workspace

Connect Claude, ChatGPT or any MCP client to your Atwork sheets, tasks, pages and dashboards.

Email API tools for software agents: inbox creation, message and thread reads, search and sending.

Sanctions, crypto wallet, email and IP screening for agents. Pay per check in USDC via x402.

Likelyread com.likelyread/likelyread

Email open tracking for agents: add a pixel, register the send, read back who opened it

Kliqo AI ai.kliqo/ai-visibility

Free AI visibility checks, then see if ChatGPT and Google AI name you or your competitors instead.

x402 DNS Email Auth Checker dev.workers.microtools-x402.x402-dns-auth-checker/dns-auth-checker

Audit SPF, DKIM, DMARC, MX, BIMI, MTA-STS for a domain; score + grade. $0.003 USDC/call via x402.

FraudKit io.github.OlsOls4/fraudkit

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

FindLeadEmails com.findleademails/mcp

Find and verify B2B work emails, single or bulk. OAuth sign-in or API key; pay per verified email.

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.

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

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

beckett com.yourbeckett/beckett

Lets Claude, ChatGPT, and Muse read and update your beckett tasks, notes, calendar, and lists.

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

Chargezen SmartyTap com.chargezen/smartytap

SmartyTap email marketing flows: build, preview and turn on automated emails to your customers.

x402 Email Verifier dev.workers.microtools-x402.x402-email-verifier/email-verifier

Email verification for AI agents: syntax, MX, disposable, role, score. $0.001 USDC/call via x402.

SignupBouncer com.signupbouncer/checker

An API that checks new signups for disposable emails and repeat accounts.

SEO·AEO·GEO app.seoaeogeo/seo-aeo-geo

Audit a page for Google and AI search (ChatGPT, Claude, Perplexity); get a fix pack to apply.

BigQuery MCP by InsightfulPipe com.insightfulpipe/bigquery

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

SEO Heatmap com.getseoheatmap/seo-heatmap

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

NoBounce Email Validation io.github.notprathap/nobounce-mcp

Real-time single and bulk email validation (syntax, MX, 5,000+ disposable domains, SMTP).

Recomma ai.recomma/recomma

What ChatGPT, Gemini and Google AI Overviews say about your brand, and which sources they cite

Desloppy com.desloppy/desloppy

Use AI. Skip the slop. A Slop score plus the exact lines that sound like chatbot writing.

DataForSEO MCP by InsightfulPipe com.insightfulpipe/dataforseo

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

LotsBusiness business.lots/lotsbusiness

Get your business online and found: website, Google Business Profile, business email and listings