generated: '2026-09-19'
method: searched
source: >-
  https://postalform.com/skill.md — a provider-published Agent Skill (frontmatter title "PostalForm agent
  skill", published 2026-05-30, updated 2026-08-27), saved verbatim as postalform-com-skill.md. The two
  further skills are GENERATED by API Evangelist from the provider's own OpenAPI contracts; every operationId
  they name was checked against openapi/postalform-com-machine-payments-openapi.json and
  openapi/postalform-com-projects-openapi.json, and every limit, status code and header is quoted from those
  specs or from https://postalform.com/agents, /mpp.md and /developer-mail-api.md.
skills:
- file: postalform-com-skill.md
  name: PostalForm agent skill
  method: searched
  source: https://postalform.com/skill.md
  description: Provider-authored setup file for MCP-capable agents — remote endpoint, discovery URLs, tool choice, payment guidance, mailing rules and a minimal letter example.
  api: https://postalform.com/mcp
  operations: [postalform.create_letter_order_draft, postalform.create_order_draft, postalform.list_forms, postalform.get_form_schema, postalform.create_form_order_draft, postalform.search_addresses, postalform.get_order_status, postalform.create_machine_order, complete_checkout]
  verbatim: true
- file: postalform-com-machine-order-x402-mpp.md
  name: postalform-com-machine-order-x402-mpp
  method: generated
  description: Validate, preview, get owner approval, then pay for and track a print-and-mail order through the x402 or MPP 402 flow, with the request_id idempotency rule the contract enforces.
  api: openapi/postalform-com-machine-payments-openapi.json
  operations: 6
  operation_ids: [validateMachineOrder, createMachineOrder, getMachineOrder, validateMppMachineOrder, createMppMachineOrder, getMppMachineOrder]
- file: postalform-com-projects-send-letter.md
  name: postalform-com-projects-send-letter
  method: generated
  description: Send a letter from server-side code through PostalForm Projects — test key first, upload intent, quote, idempotent order, then poll or receive signed webhooks.
  api: openapi/postalform-com-projects-openapi.json
  operations: 7
  operation_ids: [createUploadIntent, completeDocumentUpload, createLetterQuote, createLetter, getLetter, createWebhookEndpoint, listWebhookEvents]