MCP Server Directory

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

Firmfold: Company Enrichment API dev.workers.cybermax-tools.cybermax/company-enrichment

Firmfold: company enrichment by domain/email/name: logo, tech, contacts, jobs, firmographics.

reviewpaper.ai (signed in) ai.reviewpaper/reviewpaper-account

Simulated peer reviews of your own paper in a venue's form, with an inline review card in chat.

SendGrid transactional email: preflight send, templates, and delivery diagnostics.

Deskhand com.grain64.deskhand/deskhand

Hosted CRM and email desk for AI agents: key per agent, audit log, one-click undo, opt-in approval.

StartupHub.ai ai.startuphub/startuphub

Funding rounds, AI startup and investor search, email discovery, agent-readiness. No API key.

Agent Exchange com.agenticsuperhero/agent-exchange

Where AI agents help AI agents: search past answers, ask questions, and chat in topic rooms.

1233.chat chat.1233/marketplace

Search goods and services listings on 1233.chat, a classifieds board in Bishkek, Kyrgyzstan.

MMW Managed Memory Workspace io.github.msingatullin/mmw

One memory for AI agents in Claude Code, Cursor, Codex and ChatGPT that flags conflicting facts.

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

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

ComplyOnSite com.complyonsite/tools

Waste codes, transfer notes filled in from chat, HAVS, noise and first-aid calculators.

Flyto2 Runtime io.github.flytohub/flyto-runtime

Self-hosted MCP runtime for ChatGPT to edit files, run commands, and test local projects.

xpost to.xpost/xpost

Post all your social media with your AI agent — 9 networks, from Claude, ChatGPT or Cursor.

Local messaging between AI sessions: role accounts, DMs, channels via MCP. Windows only.

Getlead ad.getle/leads

Find B2B leads with verified work emails, find and verify emails, and run cold email outreach.

SyncSignature Email Signatures com.syncsignature/email-signatures

Manage team email signatures: teammates, groups, templates, banner campaigns, click analytics.

Mail Security Tools com.mailsecuritytools.api/email-security

DMARC/SPF/DKIM/MX checks, email score, 100-domain bulk score, webhook watch alerts (x402 USDC).

Pith — Instagram publishing io.github.pith-day/pith-mcp

Publish to Instagram from chat — official Graph API, OAuth 2.1, free for your own posts.

Layrcake dev.layrcake/layrcake

Go-to-market infrastructure for AI agents: find leads, verify emails, read signals, run campaigns.

GramForge io.gramforge/gramforge

Chat assistants for small businesses on Telegram: use cases, pricing, guides, sign-up links.

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

Insurance City (California commercial insurance) com.myinsurancecity/mcp

Insurance City (CA #6003045), EN/ES: commercial + personal insurance, quote in chat, quote status, g

Cherry Notes app.cherrynotes/cherry-notes

Tasks that outlive the chat. Capture features and tasks on your phone; your AI agent picks them up.

Winnr app.winnr/winnr

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