release SKILL.md skillB

release from mycelium-io/mycelium is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add mycelium-io/mycelium/release@git:20261006.26156b5

Pins git:20261006.26156b5 in mdr.lock. Pin the fingerprint instead.

Audit grade
B, 16 of 17 checks passed
Kind
SKILL.md skill
Repository
mycelium-io/mycelium
Path
.claude/skills/release/SKILL.md
Versions recorded
5
Latest version
git:20261006.26156b5, committed Oct 6, 2026
First version recorded
Aug 20, 2026
Size
6,837 bytes
Repository stars
121
License
a license file GitHub does not identify

Cut a release — commit any staged changes, tag, create GitHub release, and optionally notify Webex. Use when the user says /release, /release --with-webex, or /release --preview.

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

# Release

Commit latest changes (if any), tag, cut a GitHub release, and optionally notify Webex.

## Arguments

- `--with-webex` — after releasing, post a summary to Webex (default: `Mycelium Release Notes` only; add `--with-webex=eng` to also post to `IoC::Mycelium Eng`).
- `--preview` — cut a prerelease build for testing without affecting stable users. Skips Docker `:latest`, Homebrew, and ClawHub. Webex still gets a short preview ping (eng channel only — not user-facing release notes). Testers opt in via `mycelium upgrade --version <tag>`.

## Why preview releases are safe

The release pipeline's "promote to latest" steps (Docker `:latest` tags, GH "Latest" label, Homebrew formula, ClawHub) are gated on the tag matching a stable pattern. Tags containing `rc`, `alpha`, `beta`, or `preview` are detected as prereleases by the `detect-release-type` job in `.github/workflows/release.yml` and bypass all of those.

`install.sh` and `mycelium upgrade` both follow the GitHub `/releases/latest` redirect, which only resolves to releases NOT marked as prerelease. So stable users never see preview builds. Testers install with an explicit version pin.

## Steps
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add mycelium-io/mycelium/release@sha256:8bd9bdf1a3541c59

The line at the top of this page pins the label git:20261006.26156b5, 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.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_il4nzsc7uc6tqizt.svg)](https://markdownregistry.com/a/art_il4nzsc7uc6tqizt)

3 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 5 versions of this file, between Aug 20, 2026 and Oct 6, 2026, about one every 12 days.

versioncommittedcommitsizeaudit
git:20261006.26156b5 latest2026-10-06 26156b5 6,837 BB view · diff
git:20261003.040a38b2026-10-03 040a38b 6,822 BB view · diff
git:20261003.ac263c92026-10-03 ac263c9 6,691 BB view · diff
git:20261003.2182c0d2026-10-03 2182c0d 7,189 BB view · diff
git:20260820.01c38552026-08-20 01c3855 7,329 BB view

Audit of the latest version

B  16 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • fail: No curl or wget piped into a shell (matched: curl -fsSL https://mycelium-io.github.io/mycelium/install.sh | bash)
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (6837 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 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

Starting a new one? Use a template for SKILL.md on mdpantry, which passes every one of these checks and says what to change in it.

Source

GitHub

mycelium-io/mycelium · 121 stars · license a license file GitHub does not identify · pushed 2026-10-21 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_il4nzsc7uc6tqizt
GET https://markdownregistry.com/api/v1/resolve?ref=mycelium-io/mycelium/release
GET https://markdownregistry.com/api/v1/blob/8bd9bdf1a3541c596e3014f8a0818a7d572c64b927f251837c213951587f4de3

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.

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