Place a real print-and-mail order on PostalForm — upload (or compose) a document, attach a sender and recipient address, choose mail options, pay, and receive a tracked order ID. Supports letters (PDF/DOCX/Markdown/HTML/RTF) and postcards (4x6/6x9/11x6). Optimized for agent-native machine payments (x402/MPP/MCP) with a browser-Stripe fallback.
8 tools2 methodsspec API surface
What can an agent do with postalform.com WebMCP tools?
Place a real print-and-mail order on PostalForm — upload (or compose) a document, attach a sender and recipient address, choose mail options, pay, and receive a tracked order ID. Supports letters (PDF/DOCX/Markdown/HTML/RTF) and postcards (4x6/6x9/11x6). Optimized for agent-native machine payments (x402/MPP/MCP) with a browser-Stripe fallback. This page documents every listed tool, the action or answer it provides, its installation command, and the input fields an agent should send.
WebMCP tools on postalform.com
Tool 1 of 8APIAction
send-mail
Place a real print-and-mail order on PostalForm — upload (or compose) a document, attach a sender and recipient address, choose mail options, pay, and receive a tracked order ID. Supports letters (PDF/DOCX/Markdown/HTML/RTF) and postcards (4x6/6x9/11x6). Optimized for agent-native machine payments (x402/MPP/MCP) with a browser-Stripe fallback.
How to install
browse skills add postalform.com/send-mail-vfizjl
Install browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the send-mail tool on postalform.com with location: <string>. Return the structured result and cite the source page.
Set the workflow PDF using a data:application/pdf;base64 URL, then optionally advance to the recipient-address step.
How to install
Open the postalform.com website and ask your browser agent to use postalform.set_pdf_from_data_url
Install browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the postalform.set_pdf_from_data_url tool on postalform.com with data_url: <string>, file_name: <string>, advance_to_recipient_step: <boolean>. Return the structured result and cite the source page.
Input contract
data_urlstringA data URL formatted as data:application/pdf;base64,...
file_namestringOptional PDF file name. Defaults to uploaded-document.pdf.
advance_to_recipient_stepbooleanWhen true (default), move the workflow to step 1.
Update recipient name and/or recipient address in the home workflow. Can optionally advance to the next relevant step.
How to install
Open the postalform.com website and ask your browser agent to use postalform.set_recipient_details
Install browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the postalform.set_recipient_details tool on postalform.com with name: <string>, address: <object>, advance_to_next_step: <boolean>. Return the structured result and cite the source page.
Input contract
namestringRecipient full name (minimum 3 characters).
addressobjectRecipient address object with text, optional description, optional id, and optional type.
advance_to_next_stepbooleanWhen true (default), move to the next workflow step after updates.
Update sender name and/or sender address in the home workflow. Can optionally advance to the next relevant step.
How to install
Open the postalform.com website and ask your browser agent to use postalform.set_sender_details
Install browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the postalform.set_sender_details tool on postalform.com with name: <string>, address: <object>, advance_to_next_step: <boolean>. Return the structured result and cite the source page.
Input contract
namestringSender full name (minimum 3 characters).
addressobjectSender address object with text, optional description, optional id, and optional type.
advance_to_next_stepbooleanWhen true (default), move to the next workflow step after updates.
Update delivery and print options on review: color, double-sided, mail class, certified, and certified electronic return receipt.
How to install
Open the postalform.com website and ask your browser agent to use postalform.set_delivery_options
Install browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the postalform.set_delivery_options tool on postalform.com with color: <boolean>, double_sided: <boolean>, mail_class: <string>, certified: <boolean>, certified_return_receipt: <boolean>, signature_required: <boolean>, go_to_review: <boolean>. Return the structured result and cite the source page.
Input contract
colorboolean
double_sidedboolean
mail_classstring
certifiedboolean
certified_return_receiptboolean
signature_requiredboolean
go_to_reviewbooleanWhen true (default), move to review step if the workflow has required sender/recipient details.
Jump to a specific workflow step by index (0-6) or step id (upload, recipient_address, recipient_name, sender_name, sender_address, review, submission).
How to install
Open the postalform.com website and ask your browser agent to use postalform.go_to_step
Install browse first, then run the command in a terminal. WebMCP tools run directly on the website and do not need a package install.
Run with an agent
Use the postalform.go_to_step tool on postalform.com with step: <string>. Return the structured result and cite the source page.