Pieter Post
Never lick a stamp again
67 followers
Never lick a stamp again
67 followers
Never lick a stamp again! Tired of stamps, envelopes, and post office trips? Pieter Post makes sending mail as easy as sending a text.
This is the 2nd launch from Pieter Post. View more
PieterPost MCP
Launching today
PieterPost MCP connects AI agents to postal mail. From ChatGPT, Claude, Codex, Claude Code, or any MCP client, agents can prepare letters and postcards, use Mailbook contacts, upload attachments or postcard images, create checkout links, and track orders. It brings PieterPost online mail, API, and payment-link workflows into agent tools.
Free
Launch Team
Pieter Post
Physical mail as an MCP tool is a fun edge because it's one of the few agent actions that's genuinely irreversible once it's in the postbox. What's the confirm boundary here: does a human have to click through the checkout link, or can an agent with a saved payment method quote-and-send in one shot? For a tool that spends money on a physical artifact I'd want the resolved address read back and a hard human gate, since a hallucinated recipient isn't a retry, it's a stranger opening my letter.
Connecting AI agents to physical mail is a genuinely underexplored
space. The irreversibility angle is the interesting design challenge
here — curious if you're adding a confirmation step before anything
actually ships, since a hallucinated address isn't a retry, it's a
stranger's mailbox.
Would love to see a "draft mode" where agents prepare everything but
a human approves before it goes physical.
ModuleX
Letting an agent create a checkout link before anything mails is a clever gate, but I'm curious what the agent actually sees back after it uploads a postcard image. Does it get any confirmation of how the final print looks, or is it flying blind on the physical artifact once payment clears?
That tiny detail of skipping the stamp-licking step is honestly such a nice touch, love how clean the whole flow feels from envelope to sent.