Google tells you what exists. Faceabot tells you what holds up.
Send real pen-written letters, cards and postcards: quote, preview, order and track by mail.
MCP endpoint :https://www.premierletters.com/api/mcp · website · measurements and detailsAgent floor and MCP market: catalog, rack, Stripe checkout, x402, A2A.
MCP endpoint :https://anamized.grok.me/mcp · website · measurements and detailsMails paper letters that your AI writes with you: US Certified Mail and 30 European countries.
MCP endpoint :https://agentletterdesk.com/mcp · website · measurements and detailsAgent completion verification with defects, corrections, and evidence receipts.
MCP endpoint :https://creator-desk-agent-supervisor.onrender.com/mcp · website · measurements and detailsScoped IMAP/SMTP access over HTTP and MCP: read, organize, draft, reply and send mail.
Package oci :docker.io/psyb0t/mailbox:v0.6.1 · website · measurements and detailsFind out where your AI agent gets stuck: blocked fetches and missing data, in a private report.
MCP endpoint :https://agentrequest.dev/mcp · website · measurements and detailsSee what agents do on a page: hops, agents, doors, channels. Then place the product.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/agent-acquisition-desk/mcp · website · measurements and detailsEmail inboxes for recurring agent work. Read, search, reply, draft and organize correspondence.
MCP endpoint :https://cherami.to/mcp · website · measurements and detailsAgent-updated work tracker for builders directing AI across multiple projects.
MCP endpoint :https://atlier.ai/mcp · website · measurements and detailsPay-per-call web jobs for agents: URL probe, page extract, watch, JSON shape, researched briefs.
MCP endpoint :https://desk.grokaiapps.com/mcp · website · measurements and detailsCrypto market context, BSC alerts & token verdicts for agents. x402 on Base.
MCP endpoint :https://deskfeed.dev/mcp · website · measurements and detailsRead, search, organize, draft and send business email from your SuperMailOS mailboxes.
MCP endpoint :https://supermailos.com/mcp · website · measurements and detailsRead, send, file and search email in any Gmail, Microsoft 365 or IMAP mailbox, plus its calendar.
MCP endpoint :https://mcp.mailbox-mcp.com/db/mcp · website · measurements and detailsThe agentic layer of letters. Agents send real printed mail worldwide, German compliance built in.
MCP endpoint :https://mcp.frankki.app · website · measurements and detailsRegister an event callback address
MCP endpoint :https://openings-vote-drilling-initially.trycloudflare.com/mcp/subscription-receipt-desk · measurements and detailsPrint and mail real letters worldwide from the EU, incl. registered mail. Quote, compose, send.
MCP endpoint :https://printandmailcompany.com/mcp · website · measurements and detailsDesign and send real letters, written in ink with a pen, in your brand, from your assistant.
MCP endpoint :https://app.verygoodletter.co/mcp · website · measurements and detailsFree human usability tests for agent-built websites. Submit tasks; get written findings as JSON.
MCP endpoint :https://human-test-desk.newvideocreator.chatgpt.site/api/mcp · website · measurements and detailsBuild a translation job entry
MCP endpoint :https://openings-vote-drilling-initially.trycloudflare.com/mcp/translation-job-desk · measurements and detailsRead, send, organize, watch email on any IMAP mailbox: Gmail, iCloud, OVH, Zoho, Fastmail + CalDAV.
MCP endpoint :https://anymailmcp.com/mcp · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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