Layrcake
Go-to-market infrastructure for AI agents: find leads, verify emails, read signals, run campaigns.
Install
Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).
claude mcp add --transport http layrcake 'https://mcp.layrcake.dev/mcp'{
"mcpServers": {
"layrcake": {
"type": "http",
"url": "https://mcp.layrcake.dev/mcp"
}
}
}Documentation
From the project's README on GitHub, refreshed weekly. Links open on GitHub.
Layrcake MCP server
Layrcake is go-to-market infrastructure for AI agents: one MCP server and API that lets Claude, ChatGPT, Cursor and Codex find leads, verify emails, read buying signals and run approved campaigns, behind one prepaid credit balance.
- Endpoint:
https://mcp.layrcake.dev/mcp(Streamable HTTP) - Auth: OAuth 2.1 with dynamic client registration and PKCE. Sign in when your client prompts. Free to start: 300 credits, no card.
- Docs: https://docs.layrcake.dev · Pricing: https://docs.layrcake.dev/pricing.html · Privacy: https://layrcake.dev/privacy
Tools (22)
| Tool | What it does | Billing |
|---|---|---|
find_leads | Search 200M+ B2B contacts by title, location, industry, company size or domain | per lead returned |
find_companies | Discover companies by hiring activity, technologies in use, or lookalikes | per company |
enrich | A person's verified work email and profile | on hit only |
enrich_company | Company profile, technologies, funding, relationships | per dataset |
verify_email | Two-stage deliverability check incl. catch-all analysis | per call |
find_intent | Buying signals for company domains: hiring, funding, news, job changes, tech | per signal-bearing company |
find_posts | Public social posts across LinkedIn, X, Reddit, YouTube, TikTok and more | per relevant post |
check_companies | Answer a yes/no question about each company from its own website, with the quoted evidence | per company |
research_company | Dated recent moves for one company, with sources, ranked for your goal | per call |
prospect_picture | One picture of a person, their company, or both: role, recent activity, signals | per call |
setup_sending | Provision warmed sending domains and mailboxes (quote → human approval) | credits, approved in console |
create_campaign | Draft a sequence with variables and recipients; drafts never send | free |
add_leads | Add recipients to a draft campaign through the suppression-safe importer | free |
launch_campaign | Preview → human approval in console → real sends | free |
get_replies / get_reply | Read inbound replies, classified | free |
set_lead_status | Record interest; not_interested suppresses workspace-wide | free |
reply_to_thread | Preview → human approval → send an in-thread reply | free |
get_me / get_usage / get_operation / get_request | Identity, balance and usage, job and request status | free |
Every tool returns the outcome and the credits it charged. Free reads run without prompting; tools that spend credits or change campaign data are annotated so hosts ask first; anything that sends email or buys capacity always needs a signed-in human to approve at a link the tool returns.
Connect
# Claude Code
claude mcp add --transport http layrcake https://mcp.layrcake.dev/mcp{ "mcpServers": { "layrcake": { "type": "http", "url": "https://mcp.layrcake.dev/mcp" } } }Also listed on the official MCP Registry as dev.layrcake/layrcake, Glama and Smithery.
This repository holds the listing manifest for directories; the server itself is hosted and closed source. Questions: founders@layrcake.dev
Grok Build
Open /marketplace in Grok Build, find Layrcake, and install it. On first connection, complete the Layrcake sign-in and consent flow in your browser; new accounts are free with 300 credits and no card. The plugin contains no API key or local executable.
Network access and permissions
https://mcp.layrcake.dev/mcp— Layrcake's hosted Streamable HTTP MCP endpoint. The same host serves OAuth discovery metadata at/.well-known/oauth-protected-resource.https://api.layrcake.dev— Layrcake's OAuth authorization server (dynamic client registration, token issuance, refresh), discovered from the MCP metadata.https://app.layrcake.dev— the browser sign-in and consent page, and the console where launches, replies and purchases are approved.
Authentication uses your Layrcake account through browser-based OAuth 2.1 with PKCE. Grok sends the resulting bearer token to the hosted server; the server scopes every tool to your workspace. Six tools are read-only (get_me, get_usage, get_operation, get_request, get_replies, get_reply). The other thirteen are annotated destructive: seven spend prepaid credits against live data providers, three change campaign data, and three (setup_sending, launch_campaign, reply_to_thread) only return a preview and an approval link — nothing is bought or sent until a signed-in human approves in the console. No token or credential is bundled with this plugin.
License
Proprietary. Use of the hosted service is governed by Layrcake's terms and privacy policy.
Frequently asked questions
What is Layrcake?
Go-to-market infrastructure for AI agents: find leads, verify emails, read signals, run campaigns.
How do I install Layrcake?
It runs as a remote server. In Claude Code: claude mcp add --transport http layrcake 'https://mcp.layrcake.dev/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.
Does Layrcake need an API key?
Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.
Is Layrcake open source?
Its code is public on GitHub, but the repository does not declare a standard license.
Who maintains Layrcake?
It is published by Layrcake-dev. AI.tn lists it but does not maintain or endorse it.
From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.