Send PDFs as Trackable US Mail
Preparing and tracking physical mail manually takes time and creates duplicate-send risks. This skill prices, submits, and monitors authorized PDF mail through AgentPostage.
Stop for confirmation before installing.
Review the plan and obtain explicit user consent before changing files.
Copy this request to your Agent. It includes the canonical Skill page and manifest.
Review the Skillstore skill "agentpostage" from https://skillstore.io/skills/ctxrs-agentpostage.md and its manifest at https://skillstore.io/api/skills/ctxrs-agentpostage/manifest. Verify the artifact. Stop and obtain explicit user consent before installing or changing files.Your Agent should still show its plan and request any confirmation required by the security policy.
Use these links when an AI agent, crawler, or script needs clean context instead of reading the full page.
Using "agentpostage". Price a three-page First-Class letter with default print options.
Expected outcome:
Estimated price: 142 cents. Service: First-Class. Printing: black, single-sided, white paper. This price does not reserve the rate.
Using "agentpostage". Send the approved cancellation letter and report the result.
Expected outcome:
The letter was queued successfully. Letter ID: 8d31... Service: First-Class. Charged cost: 142 cents. Queued does not mean mailed.
Using "agentpostage". Check whether my Certified letter was delivered.
Expected outcome:
Current status: delivered. Tracking confirms delivery. An electronic receipt is available through the authenticated AgentPostage account.
Most static findings are false positives caused by JavaScript template literals, Markdown formatting, validation expressions, and documented credential configuration. The CLI does make authenticated network requests, and semantic review found high-risk origin redirection and paid-mail execution concerns.
These are real local capabilities that may be expected for this skill, so they require review but are not counted as confirmed malicious behavior.
Share the versioned assessment report, neutral badge, embed card, and citations. Skillstore reports evidence without deciding whether this Skill is safe.
https://skillstore.io/skills/ctxrs-agentpostage/audits/1?utm_source=security_passport&utm_medium=share&utm_campaign=versioned_report[](https://skillstore.io/skills/ctxrs-agentpostage?utm_source=security_passport_badge)<a href="https://skillstore.io/skills/ctxrs-agentpostage?utm_source=security_passport_badge"><img src="https://skillstore.io/badges/skills/ctxrs-agentpostage/security.svg" alt="Skillstore security assessment" loading="lazy"></a><iframe src="https://skillstore.io/embed/skills/ctxrs-agentpostage.html" title="Skillstore Security Assessment" sandbox="allow-popups allow-popups-to-escape-sandbox" loading="lazy" referrerpolicy="no-referrer" width="420" height="180"></iframe>ctxrs. (2026). agentpostage security audit report (audit version 1) [Author version unspecified]. Skillstore. https://skillstore.io/skills/ctxrs-agentpostage/audits/1@techreport{ctxrs-ctxrs-agentpostage-2026,
author = {ctxrs},
title = {agentpostage security audit report (audit version 1)},
institution = {Skillstore},
year = {2026},
number = {1},
url = {https://skillstore.io/skills/ctxrs-agentpostage/audits/1},
note = {Author version unspecified}
}cff-version: 1.2.0
message: "If you use this Skill, cite its author and this versioned security audit report."
title: "agentpostage security audit report (audit version 1)"
version: "unspecified"
type: report
authors:
- name: "ctxrs"
date-released: "2026-09-18"
url: "https://skillstore.io/skills/ctxrs-agentpostage/audits/1"
identifiers:
- type: other
value: "skillstore:ctxrs-agentpostage:audit:1"
description: "Skillstore immutable audit report identifier"
Mail an authorized dispute PDF with a chosen service and preserve the resulting letter record.
Price and send cancellation documents with tracking or an electronic return receipt.
Review queued letters, transaction costs, delivery status, and available receipts.
Price this [page count]-page PDF using [service]. Use black ink, single-sided white paper, and no reply envelope.
Send [PDF path] from [sender address file] to [recipient address file] using [service]. Confirm the final details and price before submission.
Check letter [letter ID]. Report its exact status, charged cost, tracking evidence, and receipt availability without inferring delivery.
Investigate the timed-out send for [letter details]. Search existing letters first, preserve the idempotency key, and avoid duplicate mail.
Author
ctxrsLicense
MIT
Skillstore revision
r1
Version notice
The author did not declare a version.
Ref
e55007c1887190a9049f04b227feee43e9fc4f7f
Maintenance freshness
9/18/2026
Usage
0 downloads · 0 views
File structure
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