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PopNx MCPMCP servers for people who use AI · explained in plain words

Developer tools

Search by the task you want done or the app you use, then filter by category.

Sorted by how many search words appear in the name, description and category, then by stars.

Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

OpenOSINT

AI-powered OSINT agent & MCP server. 21 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.

by OpenOSINTWidely used↓ 1.6K/wk★ 1.9KUpdated 5 days ago

Runs on your computer

Thunderbird Cli

Give AI agents full read/write email access via Mozilla Thunderbird. Zero credentials.

by vitalio-shEarly↓ 122/wk★ 68Updated 7 months ago

Runs on your computer

SpacePost

Send email and manage domains, contacts and webhooks on SpacePost, the Resend-compatible email API.

by 404-studioEarly↓ 371/wk★ 0Updated 6 days ago

Computer or cloud✓ spacepost.dev

smbCloud Mail & Auth

Email infrastructure and authentication for developers: domains, inbox routes, auth apps, deploys.

by smbcloudXYZEarly↓ 419/wk★ 12Updated today

Computer or cloud

Val Town

Deploy serverless TypeScript on Val Town: HTTP vals, cron, SQLite, email, OAuth.

by val-townEarly★ 10Updated 5 months ago

Runs in the cloud✓ val.town

email59

Send transactional email from AI agents: sign up by email code, no domain or DNS setup.

by email59.comVery newUpdated 17 days ago

Runs in the cloud✓ email59.com

Webhook.site MCP Server

Capture HTTP, email, and DNS callbacks with webhook.site from MCP clients.

by zebbernEarly↓ 37/wk★ 12Updated 2 months ago

Runs on your computer

Regex/Email/URL Validator

Regex matching, email/URL format validation, and JSON Schema validation.

by apished.comVery newUpdated 3 months ago

Runs in the cloud✓ apished.com

DMARC Shark — Email DNS Checker

Check a domain's public SPF, DMARC, MX and DKIM DNS records on demand. No account required.

by skatkovVery new★ 0Updated 23 days ago

Runs in the cloud✓ dmarcshark.com

Cli

Kanta Verify, Find, and Database: email verification, email finding, and B2B contact search.

by griffinkantaVery new↓ 67/wk★ 0Updated 27 days ago

Runs on your computer✓ kanta.dev

webhooks.cc

Capture, inspect, send and assert on webhooks and inbound email from your coding agent.

by kroqdotdevEarly↓ 268/wk★ 3Updated 8 days ago

Computer or cloud

Cloudflare MCP Pro

Cloudflare MCP: DNS, Zones, Workers, KV, R2, D1, Pages, WAF, SSL, Email, AI via REST API v4

by helbertparanhosVery new↓ 68/wk★ 3Updated 5 months ago

Runs on your computer