MCP Server Directory

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

StartupHub.ai ai.startuphub/startuphub

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

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

1233.chat chat.1233/marketplace

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

Agent Exchange com.agenticsuperhero/agent-exchange

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

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

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

Flyto2 Runtime io.github.flytohub/flyto-runtime

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

Layrcake dev.layrcake/layrcake

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

Getlead ad.getle/leads

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

MMW Managed Memory Workspace io.github.msingatullin/mmw

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

Leadmagic io.github.pipeworx-io/leadmagic

LeadMagic MCP — wraps the LeadMagic B2B email-finder API (leadmagic.io)

Discord snowflake worker bits, id discarded io.github.sadri-dridi/discord-worker

Discord snowflake worker bits, id discarded

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).

Agothe Agent Contract Preflight ai.agothe.mcp-chatgpt/agent-contract-preflight

Deterministic MCP, JSON Schema, and SemVer preflight via Agothe's public MUV scope.

GramForge io.gramforge/gramforge

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

Cherry Notes app.cherrynotes/cherry-notes

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

Wolfloyee com.wolfloyee/mcp

Monthly 3-question Team Harmony pulse in Slack DMs. Scores stay anonymous until n>=3.

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

Deskhand com.grain64.deskhand/deskhand

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

Operate the Meser 10 email and SMS platform from any MCP client. Read-only by default.

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

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

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

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

Winnr app.winnr/winnr

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