io-guard-dev SKILL.md skillA
io-guard-dev from riztazz/claude-io-guard is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add riztazz/claude-io-guard/io-guard-dev@git:20260929.93ec4cbPins git:20260929.93ec4cb in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- riztazz/claude-io-guard
- Path
.claude/skills/io-guard-dev/SKILL.md- Versions recorded
- 5
- Latest version
- git:20260929.93ec4cb, committed Sep 29, 2026
- First version recorded
- Sep 28, 2026
- Size
- 9,510 bytes
- Repository stars
- 8
- License
- MIT
How io-guard's own code is laid out, written, tested and verified. Read before writing or reviewing code in this repository, adding a check or an MCP tool, writing a test, running replay, or reporting a result. Covers the package layout and its import rules, the Python rules the plugin keeps, the six test levels, replay, live checks on Windows, and where to read telemetry. The design itself is docs/design/architecture.md.
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
# Working on io-guard The design is `docs/design/architecture.md`, and every signature there is a contract. The decisions behind it are D1 to D28 in `.claude/tasks/context.md`. This page is how the code gets written and proved. The kit's generic skills hold the rules for every project: `engineering` (with `references/python.md`), `testing`, `verification` and `prose`. ## The card | Rule | Why | Section | |---|---|---| | **Shipped code is standard library Python 3.14** | Claude Code installs no Python packages for a plugin (D4, D15) | Python here | | **`lib` is mechanism. `checks` is policy on `lib`. `hooks`, `mcp` and `cli` are the ways in, on both, and never import each other** | A test that has to build a `Context` to reach a `lib` function has found a leak | Layout | | **A file is bytes, written only by `lib.bytesio.write_atomic`, and an io tool holds `lib.locks.file_lock` around it** | `open(path, "w")` truncates first (BYT-9), and two sessions' servers can edit one file (D13) | Python here | | **A hook's stdout is its protocol** | One stray print corrupts the answer | Python here | …
Read the whole file at its exact version.
How to install
mdr add riztazz/claude-io-guard/io-guard-dev@sha256:8000c55c5d5084b5The line at the top of this page pins the label git:20260929.93ec4cb, 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_fuv2vyt4f6b3jje6)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 5 versions of this file, between Sep 28, 2026 and Sep 29, 2026, more than one a day.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260929.93ec4cb latest | 2026-09-29 | 93ec4cb | 9,510 B | A | view · diff |
| git:20260929.e994be8 | 2026-09-29 | e994be8 | 9,317 B | A | view · diff |
| git:20260928.1576e6c | 2026-09-28 | 1576e6c | 9,203 B | A | view · diff |
| git:20260928.2258a31 | 2026-09-28 | 2258a31 | 9,115 B | A | view · diff |
| git:20260928.47d8901 | 2026-09-28 | 47d8901 | 8,806 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 (9510 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
riztazz/claude-io-guard · 8 stars · license MIT · pushed 2026-10-13 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_fuv2vyt4f6b3jje6 GET https://markdownregistry.com/api/v1/resolve?ref=riztazz/claude-io-guard/io-guard-dev GET https://markdownregistry.com/api/v1/blob/8000c55c5d5084b5630ad8da3c9a2d5befcd955fcc91b653a6037d5670a3b7e3
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.