no-delete-guardrail SKILL.md skillA
no-delete-guardrail from yugpat1835/awesome-copilot-cowork-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add yugpat1835/awesome-copilot-cowork-skills/no-delete-guardrail@git:20260611.a54c1acPins git:20260611.a54c1ac in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- yugpat1835/awesome-copilot-cowork-skills
- Path
skills/meta-skills/no-delete-guardrail/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260611.a54c1ac, committed Jun 11, 2026
- Size
- 7,605 bytes
- Repository stars
- 6
- License
- CC-BY-SA-4.0
Applies a standing safety guardrail. No file, folder, email or calendar item is deleted, overwritten or moved without explicit user approval, new versioned files are written instead of overwrites, and every change is journalled. Use when the user asks to change, clean up, reorganise, rename, archive, replace, move or delete anything in OneDrive, SharePoint, email or the calendar, or when any workflow is about to create or modify files.
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
# No-Delete Guardrail ## PURPOSE This is a guardrail, not a task. Once loaded it asks the model to apply three rules to every step in the conversation, including steps run by built-in skills (Word, Excel, PowerPoint, PDF, Email, Calendar Management) and by other custom skills: nothing destructive happens without explicit approval, existing files are never overwritten (new versioned files are written instead), and every change is journalled to a file the user can audit. Be clear about the mechanism: this is a behavioural commitment plus an audit journal, not an enforced control. A skill cannot technically intercept another skill's or a built-in's file operations, and an injected instruction or a model lapse can bypass any instruction, including this one. The journal exists so that what happened is at least visible afterwards. ## WHEN TO RUN Apply these rules from the moment this skill loads, in every conversation it loads in, without being asked. There is no trigger phrase to wait for. Apply the rules to every step that could create, modify, move, rename, archive, overwrite or delete a file, folder, email or calendar item in OneDrive, SharePoint, the mailbox or the calendar. …
Read the whole file at its exact version.
How to install
mdr add yugpat1835/awesome-copilot-cowork-skills/no-delete-guardrail@sha256:12c589ac096cebe4The line at the top of this page pins the label git:20260611.a54c1ac, 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_naz5xhc6oxavdlvv)
5 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Jun 11, 2026.
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 (7605 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
yugpat1835/awesome-copilot-cowork-skills · 6 stars · license CC-BY-SA-4.0 · pushed 2026-10-12 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_naz5xhc6oxavdlvv GET https://markdownregistry.com/api/v1/resolve?ref=yugpat1835/awesome-copilot-cowork-skills/no-delete-guardrail GET https://markdownregistry.com/api/v1/blob/12c589ac096cebe407347c67b67e2cf1bcad999522b81b084e2ed426ec032230
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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