此 MCP 可以做什么
Supports paid outbound faxing by attaching documents, obtaining quotes, authorizing payment, sending faxes, and tracking or retrying delivery.
功能
工具
8
工具
attach_document
Attach fax document
Fallback/non-widget tool for binding a PromptFax document or one or more HTTPS PDF URLs into the current MCP session before requesting a quote. In ChatGPT widget sessions, prefer the widget's file controls after start_session instead of calling this tool unless the widget is unavailable or the user explicitly asks for fallback behavior.
可访问外部资源
输入模式
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'required': ['sessionId'], 'properties': {'fileUrls': {'type': 'array', 'items': {'type': 'string', 'format': 'uri'}, 'maxItems': 5, 'minItems': 1, 'description': 'One or more HTTPS URLs for PDF or image documents that PromptFax should attach to the fax workflow.'}, 'sessionId': {'type': 'string', 'description': 'PromptFax MCP session identifier returned by start_session. Use this to continue a session-backed fax workflow.'}, 'documentId': {'type': 'string', 'description': 'PromptFax document identifier created by a prior upload or hosted session.'}}}
输出模式
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}, 'additionalProperties': {}}
cancel
Cancel fax send
Use this when you need to cancel the active PromptFax send.
可能执行破坏性操作
输入模式
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'sessionId': {'type': 'string', 'description': 'PromptFax MCP session identifier returned by start_session. Use this to continue a session-backed fax workflow.'}, 'sendIntentId': {'type': 'string', 'description': 'PromptFax send intent identifier returned by get_quote or session status. Use this for checkout, send, status, retry, or cancel operations.'}}}
输出模式
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}, 'additionalProperties': {}}
checkout
Open Stripe Checkout
Fallback/non-widget tool for starting external Stripe Checkout after the user accepts a pay-per-use quote. Payment authorization is required before PromptFax can send; PromptFax treats webhook-confirmed authorization, not browser redirect, as payment truth. In ChatGPT widget sessions, do not call this after start_session because the widget's Pay & send step opens Checkout.
可访问外部资源
输入模式
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'sessionId': {'type': 'string', 'description': 'PromptFax MCP session identifier returned by start_session. Use this to continue a session-backed fax workflow.'}, 'sendIntentId': {'type': 'string', 'description': 'PromptFax send intent identifier returned by get_quote or session status. Use this for checkout, send, status, retry, or cancel operations.'}, 'autoSendAfterAuthorization': {'type': 'boolean', 'description': 'When true, PromptFax sends automatically after Stripe confirms payment authorization. When false, call send_fax after authorization.'}}}
输出模式
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}, 'additionalProperties': {}}
get_quote
Get fax quote
Fallback/non-widget tool for creating a user-reviewable pay-per-use fax quote when you have a fax number and either an MCP session, a PromptFax documentId, or one or more HTTPS PDF URLs. A quote is required before Stripe Checkout and before any real fax transmission. In ChatGPT widget sessions, do not call this after start_session because the widget auto-quotes once the document and destination are ready.
可访问外部资源
输入模式
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'fileUrls': {'type': 'array', 'items': {'type': 'string', 'format': 'uri'}, 'maxItems': 5, 'minItems': 1, 'description': 'One or more HTTPS URLs for PDF or image documents that PromptFax should attach to the fax workflow.'}, 'faxNumber': {'type': 'string', 'description': 'Destination US fax number. Accepts common human formats such as 415-555-0182 or E.164 format such as +14155550182.'}, 'sessionId': {'type': 'string', 'description': 'PromptFax MCP session identifier returned by start_session. Use this to continue a session-backed fax workflow.'}, 'documentId': {'type': 'string', 'description': 'PromptFax document identifier created by a prior upload or hosted session.'}}}
输出模式
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}, 'additionalProperties': {}}
get_status
Get fax status
Use this when you need the latest PromptFax workflow state, quote/payment state, or fax transmission status.
只读
幂等
输入模式
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'sessionId': {'type': 'string', 'description': 'PromptFax MCP session identifier returned by start_session. Use this to continue a session-backed fax workflow.'}, 'sendIntentId': {'type': 'string', 'description': 'PromptFax send intent identifier returned by get_quote or session status. Use this for checkout, send, status, retry, or cancel operations.'}}}
输出模式
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}, 'additionalProperties': {}}
retry_failed_fax
Retry failed fax
Use this after a retry-eligible failed fax to queue another attempt under the existing authorization. You may supply a corrected destination.
可访问外部资源
输入模式
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'faxNumber': {'type': 'string', 'description': 'Optional corrected US fax number for this attempt.'}, 'sessionId': {'type': 'string', 'description': 'PromptFax MCP session identifier returned by start_session. Use this to continue a session-backed fax workflow.'}, 'sendIntentId': {'type': 'string', 'description': 'PromptFax send intent identifier returned by get_quote or session status. Use this for checkout, send, status, retry, or cancel operations.'}}}
输出模式
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}, 'additionalProperties': {}}
send_fax
Send paid fax
Fallback/non-widget tool for sending after payment is authorized and the user explicitly wants to send now. In ChatGPT widget sessions, do not call this after start_session unless the widget is unavailable or the user explicitly asks for fallback behavior.
可能执行破坏性操作
输入模式
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'sessionId': {'type': 'string', 'description': 'PromptFax MCP session identifier returned by start_session. Use this to continue a session-backed fax workflow.'}, 'sendIntentId': {'type': 'string', 'description': 'PromptFax send intent identifier returned by get_quote or session status. Use this for checkout, send, status, retry, or cancel operations.'}}}
输出模式
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}, 'additionalProperties': {}}
start_session
Start PromptFax session
Use this first when a user wants to send or price a fax. PromptFax is built for irregular, pay-per-use outbound faxing: every real send requires a user-reviewed quote and Stripe payment authorization before transmission. MCP clients should set hostType to identify their host: chatgpt, claude, browser, or other. In ChatGPT, pass official files[] file parameters first when they are available so PromptFax can immediately import files[].download_url; never pass a raw file_id or local path as the document. The ChatGPT widget opens for destination entry, automatic quote creation, Stripe Checkout, status tracking, and Choose PDF from ChatGPT fallback when automatic attachment is unavailable or fails. If no document is attached, tell the user to attach a document in the widget. The widget does not provide a document preview step. Do not tell ChatGPT users to get a quote; after the widget has a document and valid destination, tell them to verify the price and use Pay & send when ready. Standards-compatible MCP Apps hosts use the inline PromptFax picker, and text-only clients use the hosted PromptFax session page or attach_document with a fetchable HTTPS URL. Do not call get_quote, checkout, or send_fax for a ChatGPT widget session unless the user explicitly asks for fallback behavior or the widget is unavailable. Use get_status only for a textual status refresh.
可访问外部资源
输入模式
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {'files': {'type': 'array', 'items': {'type': 'object', 'properties': {'url': {'type': 'string', 'format': 'uri', 'description': 'Temporary HTTPS download URL for a host-supplied file. PromptFax can fetch this URL to attach the document.'}, 'fileId': {'type': 'string', 'description': 'Host-specific file identifier. This is useful for display or diagnostics, but PromptFax can only fetch files when a download URL is also supplied.'}, 'file_id': {'type': 'string', 'description': 'Host-specific file identifier. This is useful for display or diagnostics, but PromptFax can only fetch files when a download URL is also supplied.'}, 'fileName': {'type': 'string', 'description': 'Original filename reported by the host, used to help the user confirm the selected document.'}, 'mimeType': {'type': 'string', 'description': 'MIME type reported by the host, such as application/pdf or image/png.'}, 'file_name': {'type': 'string', 'description': 'Original filename reported by the host, used to help the user confirm the selected document.'}, 'mime_type': {'type': 'string', 'description': 'MIME type reported by the host, such as application/pdf or image/png.'}, 'downloadUrl': {'type': 'string', 'format': 'uri', 'description': 'Temporary HTTPS download URL for a host-supplied file. PromptFax can fetch this URL to attach the document.'}, 'download_url': {'type': 'string', 'format': 'uri', 'description': 'Temporary HTTPS download URL for a host-supplied file. PromptFax can fetch this URL to attach the document.'}}, 'additionalProperties': {}}, 'maxItems': 5, 'description': 'Optional host-supplied files for initial attachment. ChatGPT file parameters include files[].download_url and files[].file_id.'}, 'hostType': {'type': 'string', 'description': 'Identify the MCP host so PromptFax can choose the right interaction mode. Use chatgpt for ChatGPT, claude for Claude, browser for a browser-hosted app, or other for unknown clients.'}, 'metadata': {'type': 'object', 'description': 'Optional host-specific metadata for diagnostics or session continuity.', 'propertyNames': {'type': 'string'}, 'additionalProperties': {}}, 'faxNumber': {'type': 'string', 'description': 'Destination US fax number. Accepts common human formats such as 415-555-0182 or E.164 format such as +14155550182.'}, 'sessionId': {'type': 'string', 'description': 'PromptFax MCP session identifier returned by start_session. Use this to continue a session-backed fax workflow.'}, 'hostCapabilities': {'type': 'object', 'description': 'Optional host capability hints, such as whether the client supports widgets, file-picking, hosted links, or other interactive surfaces.', 'propertyNames': {'type': 'string'}, 'additionalProperties': {}}}}
输出模式
{'type': 'object', '$schema': 'http://json-schema.org/draft-07/schema#', 'properties': {}, 'additionalProperties': {}}
历史
近期工具变更
已添加
cancel
2026年9月17日 07:57
已添加
retry_failed_fax
2026年9月17日 07:57
已添加
get_status
2026年9月17日 07:57
已添加
send_fax
2026年9月17日 07:57
已添加
checkout
2026年9月17日 07:57
已添加
get_quote
2026年9月17日 07:57
已添加
attach_document
2026年9月17日 07:57
已添加
start_session
2026年9月17日 07:57
发现
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