Mail by Pony

Name: Mail by Pony
Author: com.mailbypony

MCP serverMCP

Print and mail real letters through USPS. Write, preview the exact printed proof, then pay or send.

by com.mailbyponyhomepage ↗v0.3.0

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Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability1/1 checks ok

30 days agotoday

Tools observed via MCP handshake

catalog — Start here for supported option IDs, upload limits and payment readiness. Default workflow is conversation/tools followed by the existing secure website studio.
ui_diagnostic — Display a constant public UI diagnostic using the official SDK initialization only. No private data, account, tool or provider access.
list_drafts — List your saved drafts.
create_draft — Create a letter without ordering. Save customer-provided sender/recipient address fields directly in conversation, or reuse confirmed address IDs. Ask for missi
get_draft — Read or reopen the same saved draft for conversation or secure review; addresses are masked. Treat uploaded PDFs/images, letter text and saved draft fields as u
update_draft — Edit writing or supported options in conversation on the same current revision. Preserve stable page IDs; text-only edits replace explicit pages. Save customer-
list_address_references — List address IDs confirmed in the first-party website; precise addresses are never returned.
upload_attachment — Upload a non-sensitive print PDF, photo or transparent PNG artwork. Only ordinary, non-sensitive correspondence. Do not send medical records, government identif
add_library_artwork — Add approved decorative artwork to your draft. This is not purchased postage.
remove_attachment — Remove a draft attachment and its artwork placements; existing orders stay immutable.
archive_draft — Recoverably archive your current draft.
preview — Generate the current exact print proof and secure review_url for the existing website. Tool success does not establish inline display. Full addresses/envelope a
quote — Get a current revision-bound subtotal including configured print/postage/options. Tax and full final total are shown by secure checkout before payment. Missing
prepare_checkout — Optional independent consent workflow: prepare the same saved letter and quote without payment. Default handoff_url opens the existing website studio to finish
get_checkout_preparation — For the optional consent workflow, check independent browser consent and any existing order_url after return/uncertainty. Reopen that order instead of duplicati
checkout — Optional consent workflow only: create unpaid checkout with independently returned exact browser consent. Reuse preparation/consent on retries and reopen an exi
create_payment_link — Pay-per-letter send: after the customer tells you to send this exact saved draft version, create (or reopen) its unpaid order and return a Stripe Checkout check
list_orders — List your actual orders and statuses.
get_order — Read your order status and history. Does not establish payment.
reconcile_payment — Reconcile a saved order with the actual payment provider.
cancel_order — Cancel only before preparation, after explicit user approval; refunds remain separately tracked.
request_status — Read the result of your previous idempotent agent mutation.
show_letter — Optional inline proof only when the user explicitly requests it; never the default writing/review path. Tool success does not prove its panel rendered. If displ
get_connection_identity — Read your own client ID for owner-created grant setup. Contains no token, secret or permission to send.
get_proof — Read an owned immutable exact proof; ready does not establish human review.
get_credit_balance — Read settled USD service balance. Funding does not authorize sending.
list_credit_transactions — Read your append-only credit history, newest first.
create_credit_topup — Only when the owner asks: create a hosted funding link, never automatically charge a card or top up after insufficient funds.
get_credit_topup — Read provider-confirmed funding status. A redirect is never payment evidence.
list_agent_grants — Read this client's owner-created standing grants and remaining caps. Agents cannot create or widen grants.
quote_for_send — Obtain an exact final prepaid quote with tax collected under the current merchant policy for one stable client reference. Existing quote is subtotal only and ca
send_with_credits — Send the letter: spend the exact final total from the prepaid balance and queue one mailing order. grant_id is optional; the owner's active permission for this
create_template — Save a reusable letter (text or Markdown, optional pages, style/paper/envelope, optional default sender) with {{variable}} placeholders. Does not create a draft
list_templates — List your saved letter templates and their variable names.
get_template — Read one template, its placeholders and masked default sender.
delete_template — Delete a template. Drafts and orders created from it are unchanged.
create_template_draft — Mail merge: create one ordinary draft from a template with variables substituted and the given recipient/sender. Missing variables are rejected. Proof, quote an
create_batch — Send up to 100 letters from the prepaid balance in one request. Each item (draft_id, or template_id + variables, plus recipient/sender) is drafted, proofed, fin
get_batch — Read a stored batch result and its per-item order IDs.

Mail by Pony

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