Server definition

Hash: sha256:c7a73472b25a12415f1ca641197b00c7b4488c16471cbe5562812414fb8a9e45
What it is: What a remote MCP server returned when asked what it offers: 8 tools

The blob, as servednamed by its sha256

{
  "instructions": "Premier Letters writes real letters, cards and postcards with an actual pen and mails them via USPS on behalf of the caller — from a single thank-you note to a large campaign. Pricing, handwriting styles and address verification are open to anyone; creating an order requires a Premier Letters API key (the user generates one at https://premierletters.com/settings/api-keys and passes it as \"Authorization: Bearer pl_live_...\").\" Recommended flow: call get_pricing to quote a cost, preview_letter to see and confirm the rendered letter, create_order to pay and send it, then get_order_status to check on delivery.",
  "tools": [
    {
      "description": "Create and pay for a Premier Letters order — a real, handwritten letter mailed via USPS. Requires a Premier Letters API key. Use get_pricing or preview_letter first to confirm the price. For payment, either \"card_on_file\" charges the caller's saved card immediately, or \"checkout_session\" returns a checkout_url for the human to complete payment in a browser.",
      "inputSchema": {
        "properties": {
          "idempotency_key": {
            "description": "Optional client-supplied key. Not yet enforced server-side; reserved for future use.",
            "type": "string"
          },
          "message": {
            "description": "The letter text. Supports {{first_name}}, {{last_name}}, {{greeting}} merge fields per-recipient.",
            "type": "string"
          },
          "options": {
            "description": "handwriting_style, paper_type, product_type, mailing_option, authenticity_preset, include_letter, include_envelope, copies — see /openapi.json for the full field list.",
            "type": "object"
          },
          "payment": {
            "properties": {
              "method": {
                "description": "Defaults to \"checkout_session\".",
                "enum": [
                  "card_on_file",
                  "checkout_session"
                ],
                "type": "string"
              },
              "return_url": {
                "type": "string"
              }
            },
            "type": "object"
          },
          "recipients": {
            "description": "One or more recipients. At least one is required unless options.product_type is a letter/card with no envelope.",
            "items": {
              "properties": {
                "address_line1": {
                  "type": "string"
                },
                "address_line2": {
                  "type": "string"
                },
                "city": {
                  "type": "string"
                },
                "custom_fields": {
                  "type": "object"
                },
                "first_name": {
                  "type": "string"
                },
                "last_name": {
                  "type": "string"
                },
                "state": {
                  "type": "string"
                },
                "zip": {
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": "array"
          },
          "skip_invalid": {
            "description": "When true, invalid recipients are skipped instead of failing the whole order.",
            "type": "boolean"
          }
        },
        "required": [
          "message"
        ],
        "type": "object"
      },
      "name": "create_order",
      "outputSchema": null
    },
    {
      "description": "Get an order's status, delivery/tracking summary, and per-recipient mail status.",
      "inputSchema": {
        "properties": {
          "order_id": {
            "description": "The order UUID returned by create_order.",
            "type": "string"
          }
        },
        "required": [
          "order_id"
        ],
        "type": "object"
      },
      "name": "get_order_status",
      "outputSchema": null
    },
    {
      "description": "Get a live price quote for a Premier Letters order. Pass char_count (or letter_count for a rough estimate) plus optional mailing_option and paper_type to get a per-piece and total price, in cents. No account needed.",
      "inputSchema": {
        "properties": {
          "char_count": {
            "description": "Length of the letter message in characters. Longer letters cost more (character meter).",
            "type": "number"
          },
          "letter_count": {
            "description": "Number of recipients / pieces. Defaults to 1.",
            "type": "number"
          },
          "mailing_option": {
            "description": "Delivery option. Defaults to \"we_mail\" (we write, stamp, and mail it for you).",
            "enum": [
              "we_mail",
              "you_mail_stamped",
              "you_mail_no_stamp"
            ],
            "type": "string"
          },
          "paper_type": {
            "description": "Paper quality. Defaults to \"standard\".",
            "enum": [
              "standard",
              "premium"
            ],
            "type": "string"
          },
          "product_type": {
            "description": "Product type (letter, card, postcard, etc). Informational only — does not change pricing components beyond envelope inclusion.",
            "enum": [
              "letter",
              "card",
              "a7",
              "postcard",
              "card_5x7",
              "postcard_5x7",
              "a4",
              "a5",
              "a6"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "get_pricing",
      "outputSchema": null
    },
    {
      "description": "List available handwriting styles (fonts) for a letter order. Use the returned \"id\" as options.handwriting_style / handwriting_style when creating an order or previewing.",
      "inputSchema": {
        "properties": {},
        "type": "object"
      },
      "name": "list_handwriting_styles",
      "outputSchema": null
    },
    {
      "description": "List the authenticated user's recent orders.",
      "inputSchema": {
        "properties": {
          "limit": {
            "description": "Max orders to return (1-100). Defaults to 20.",
            "type": "number"
          },
          "status": {
            "description": "Optional status filter (pending_payment, paid, in_production, mailed, delivered, cancelled, refunded).",
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_orders",
      "outputSchema": null
    },
    {
      "description": "List the authenticated user's saved letter templates.",
      "inputSchema": {
        "properties": {
          "favorites_only": {
            "description": "Only return favorited templates.",
            "type": "boolean"
          },
          "search": {
            "description": "Filter templates by name or content substring.",
            "type": "string"
          },
          "sort": {
            "description": "Sort order. Defaults to \"recent\".",
            "enum": [
              "recent",
              "most_used",
              "name"
            ],
            "type": "string"
          }
        },
        "type": "object"
      },
      "name": "list_templates",
      "outputSchema": null
    },
    {
      "description": "Render a preview of a handwritten letter (as an SVG image) and get its price, before creating an order. Does not save anything.",
      "inputSchema": {
        "properties": {
          "handwriting_style": {
            "description": "Font UUID from list_handwriting_styles. Defaults to the house font.",
            "type": "string"
          },
          "message": {
            "description": "The letter text to render.",
            "type": "string"
          },
          "product_type": {
            "description": "Product slug: letter, card, postcard, etc. Defaults to \"letter\".",
            "type": "string"
          },
          "recipient": {
            "description": "Optional recipient info, used only to personalize {{merge fields}} in the message before rendering.",
            "properties": {
              "first_name": {
                "type": "string"
              },
              "last_name": {
                "type": "string"
              }
            },
            "type": "object"
          }
        },
        "required": [
          "message"
        ],
        "type": "object"
      },
      "name": "preview_letter",
      "outputSchema": null
    },
    {
      "description": "Verify and standardize a US mailing address via USPS. Use before create_order to catch typos and get the USPS-standardized form.",
      "inputSchema": {
        "properties": {
          "address_line1": {
            "description": "Street address",
            "type": "string"
          },
          "address_line2": {
            "description": "Apt/suite/unit (optional)",
            "type": "string"
          },
          "city": {
            "type": "string"
          },
          "state": {
            "description": "Two-letter US state code",
            "type": "string"
          },
          "zip": {
            "description": "5-digit or ZIP+4 postal code",
            "type": "string"
          }
        },
        "required": [
          "address_line1",
          "city",
          "state",
          "zip"
        ],
        "type": "object"
      },
      "name": "verify_address",
      "outputSchema": null
    }
  ]
}

Verify it yourself

curl -s https://api.teppi.xyz/v1/evidence/sha256:c7a73472b25a12415f1ca641197b00c7b4488c16471cbe5562812414fb8a9e45 | sha256sum