cargo-mailbox-management SKILL.md skillA
cargo-mailbox-management from getcargohq/cargo-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add getcargohq/cargo-skills/cargo-mailbox-management@v1.5.1Pins v1.5.1 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- getcargohq/cargo-skills
- Path
cargo-mailbox-management/SKILL.md- Versions recorded
- 12
- Latest version
- v1.5.1, committed Nov 4, 2026
- First version recorded
- Aug 24, 2026
- Size
- 21,260 bytes
- Repository stars
- 22
- License
- MIT
Sends email from inboxes Cargo provisions: sets up mailboxes on a sending domain, warms them up and ramps sends from 5 to 40 a day, sends with the `sendEmail` action, and reads replies, delivery events and unsubscribes. Triggers: "set up a sending mailbox", "provision inboxes for outbound", "warm up this mailbox", "how many sends do I have left today", "send this from Cargo", "did they reply", "who unsubscribed", "suppress this recipient", "take me off your list", "never email them again…
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Cargo CLI — Mailbox Management **Mailboxes.** A mailbox is a real sending inbox the workspace **owns** — provisioned through Cargo on a sending domain the workspace also owns, with SMTP and IMAP credentials Cargo holds and uses to deliver outbound mail and to read the replies that come back. Two things follow, and both are easy to get wrong: a mailbox is a **recurring monthly credit charge** rather than a per-record one, and this domain does **not** send. It provisions the inbox, ramps it, and reports on what it did; the send itself is the `sendEmail` action, under [`cargo-orchestration`](../cargo-orchestration/SKILL.md). ```bash cargo-ai mailboxManagement mailbox … # provision, warm-up, send allowance cargo-ai mailboxManagement message … # outbound sends cargo-ai mailboxManagement thread … # conversations, and the replies on them cargo-ai mailboxManagement event … # sent / opened / clicked / replied / unsubscribed cargo-ai mailboxManagement suppression … # workspace-wide do-not-send list cargo-ai mailboxManagement pricing … # monthly credits per mailbox flavour ``` …
Read the whole file at its exact version.
How to install
mdr add getcargohq/cargo-skills/cargo-mailbox-management@sha256:26bd9d3f0258a549The line at the top of this page pins the label v1.5.1, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_zyevvkya5uz445iz)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 12 versions of this file, between Aug 24, 2026 and Nov 4, 2026, about one every 7 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v1.5.1 latest | 2026-11-04 | 50c90ec | 21,260 B | A | view · diff |
| v1.5.0 | 2026-10-24 | cc1ff06 | 21,298 B | A | view · diff |
| v1.4.1 | 2026-10-24 | 6fc556f | 21,076 B | A | view · diff |
| v1.4.0 | 2026-10-24 | 86dd6b9 | 21,076 B | A | view · diff |
| v1.3.1 | 2026-10-18 | 46894bf | 21,077 B | A | view · diff |
| v1.3.0 | 2026-10-17 | 1e10e41 | 21,062 B | A | view · diff |
| v1.2.0 | 2026-09-16 | cfee9be | 20,409 B | A | view · diff |
| v1.1.0 | 2026-09-16 | 4e9f2dc | 19,220 B | A | view · diff |
| v1.0.3 | 2026-09-14 | addc862 | 18,737 B | A | view · diff |
| v1.0.2 | 2026-09-01 | be823b3 | 18,725 B | A | view · diff |
| v1.0.1 | 2026-08-27 | aead4dd | 18,689 B | A | view · diff |
| v1.0.0 | 2026-08-24 | e61f67f | 18,690 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (21260 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
getcargohq/cargo-skills · 22 stars · license MIT · pushed 2026-11-05 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_zyevvkya5uz445iz GET https://markdownregistry.com/api/v1/resolve?ref=getcargohq/cargo-skills/cargo-mailbox-management GET https://markdownregistry.com/api/v1/blob/26bd9d3f0258a549c47e59adcdc1b95c6adba5a6809af651f8fda21cf2a23dbe
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.