sendmux-cli SKILL.md skillA
sendmux-cli from sendmux/skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add sendmux/skills/sendmux-cli@v1.0Pins v1.0 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- sendmux/skills
- Path
skills/sendmux-cli/SKILL.md- Versions recorded
- 7
- Latest version
- v1.0, committed Oct 13, 2026
- First version recorded
- Sep 1, 2026
- Size
- 14,827 bytes
- Repository stars
- 18
- License
- a license file GitHub does not identify
Use when a user wants to run the Sendmux **CLI** (the `sendmux` terminal binary) — installing it, OAuth login/logout, connection checks, agent inbox registration and owner invites, managing API-key or OAuth profiles, key-scope preflight errors (e.g. root vs mailbox vs agent key), `--json` output, or invoking Management, Mailbox, and Sending operation commands (domains, mailboxes, webhooks, messages, search, sending email, attachments, delivery logs) via `sendmux COMMAND --flag` syntax. Trigger…
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
# Sendmux CLI Use this skill when the terminal is the right Sendmux surface. ## Boundaries - Do not ask the user to paste API keys. - For API-key profiles, use `smx_root_` for `management:*` and `smx_mbx_` or scoped `smx_agent_` for `mailbox:*`. - OAuth profiles require the operation's approved surface, scopes and mailbox access. REST OAuth tokens authenticate HTTP, not SMTP or IMAP. - Durable agent profiles can read and receive mail while active, but cannot send until an invited owner accepts and approves sending. - After owner approval, `sending:*` commands with an agent profile automatically exchange and cache a one-hour delegated token. - Do not run destructive commands without explicit confirmation. - Use `--json` for agent-readable output. - Prefer task-specific Sendmux skills when the user needs strategy; use this skill for exact CLI mechanics. ## Install ```bash npm install -g @sendmux/cli sendmux --help ``` The package exposes the `sendmux` binary. ## OAuth login and connection checks For an existing user's account, create a new named OAuth profile with the required scopes: ```bash sendmux auth:login work --scope mailbox.read --scope email.send …
Read the whole file at its exact version.
How to install
mdr add sendmux/skills/sendmux-cli@sha256:01126a175f2d86e5The line at the top of this page pins the label v1.0, 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_ajm25tjeak2gljbt)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 7 versions of this file, between Sep 1, 2026 and Oct 13, 2026, about one every 7 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v1.0 latest | 2026-10-13 | f7da88a | 14,827 B | A | view · diff |
| v1.0 | 2026-10-04 | 67a4471 | 14,827 B | A | view · diff |
| v1.0 | 2026-09-30 | 39b98e9 | 14,727 B | A | view · diff |
| v1.0 | 2026-09-15 | 3de00a3 | 14,627 B | A | view · diff |
| v1.0 | 2026-09-11 | 4b98e93 | 12,877 B | A | view · diff |
| v1.0 | 2026-09-01 | dba9ca4 | 11,141 B | A | view · diff |
| v1.0 | 2026-09-01 | fb0f3a5 | 11,127 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 (14827 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
sendmux/skills · 18 stars · license a license file GitHub does not identify · pushed 2026-10-15 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_ajm25tjeak2gljbt GET https://markdownregistry.com/api/v1/resolve?ref=sendmux/skills/sendmux-cli GET https://markdownregistry.com/api/v1/blob/01126a175f2d86e52a4917d2459a2494411838c3704b4f109c1561cad333b1c9
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.