cowork-plugin-creator SKILL.md skillA
cowork-plugin-creator from jnpiyush/agentx is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add jnpiyush/agentx/cowork-plugin-creator@v1.0.0Pins v1.0.0 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- jnpiyush/agentx
- Path
.github/skills/development/cowork-plugin-creator/SKILL.md- Versions recorded
- 3
- Latest version
- v1.0.0, committed Sep 15, 2026
- First version recorded
- Aug 17, 2026
- Size
- 11,283 bytes
- Repository stars
- 19
- License
- Apache-2.0
Create upload-ready Microsoft 365 Copilot Cowork plugin packages containing manifest.json, color and outline icons, and one or more agent skills, MCP connectors, or both. Use for Cowork plugin authoring, packaging, and validation requests.
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
# Cowork Plugin Creator > WHEN: Creating, converting, reviewing, or packaging a Microsoft 365 Copilot Cowork plugin as an M365 app package `.zip` that bundles skills and optional MCP connectors. ## When to Use Use this skill when the user asks to: * Build a Cowork plugin that bundles several related skills * Add an MCP connector so Cowork skills can reach an external system * Produce an upload-ready Microsoft 365 app package for Cowork * Repair a plugin package that fails upload validation Use [Cowork Skill Creator](../cowork-skill-creator/SKILL.md) instead when the deliverable is a single standalone skill archive with no manifest, icons, or connectors. ## Prerequisites * A business capability that resolves to at least one specialized skill, at least one connector, or both * PowerShell 7 or later for deterministic package validation and zip creation * `color.png` at 192x192 pixels and `outline.png` at 32x32 pixels * An HTTPS MCP endpoint and its tool-description file when a connector is required ## Rationalization Table | Rationalization | Reality | |-----------------|---------| …
Read the whole file at its exact version.
How to install
mdr add jnpiyush/agentx/cowork-plugin-creator@sha256:09493b4f10f8aa04The line at the top of this page pins the label v1.0.0, 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_576bjdczob6e77p6)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 3 versions of this file, between Aug 17, 2026 and Sep 15, 2026, about one every 14 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v1.0.0 latest | 2026-09-15 | f17c505 | 11,283 B | A | view · diff |
| v1.0.0 | 2026-08-19 | 3e6a3a2 | 11,281 B | A | view · diff |
| v1.0.0 | 2026-08-17 | 0c261f2 | 7,880 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 (11283 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
jnpiyush/agentx · 19 stars · license Apache-2.0 · pushed 2026-11-04 · branch master
API
GET https://markdownregistry.com/api/v1/artifacts/art_576bjdczob6e77p6 GET https://markdownregistry.com/api/v1/resolve?ref=jnpiyush/agentx/cowork-plugin-creator GET https://markdownregistry.com/api/v1/blob/09493b4f10f8aa042b7a788f715f7247129bd9f7950757048044c01bb4ae0974
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.