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Agent skill

Edit Canvas App

by hashgraph-online in hashgraph-online/awesome-codex-plugins

Edit an existing Power Apps canvas app. An agent skill from hashgraph-online/awesome-codex-plugins.

Apache-2.0Auto-check passed

Install Edit Canvas App

skills CLI
$ npx skills add hashgraph-online/awesome-codex-plugins --skill edit-canvas-app -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install hashgraph-online/awesome-codex-plugins edit-canvas-app --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/hashgraph-online/awesome-codex-plugins.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/Ratnam-Mishra/canvas-apps-plugin-codex/skills/edit-canvas-app .claude/skills/edit-canvas-app && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
edit-canvas-app
GitHub stars
1.2k
Token cost
~890 tokens
SKILL.md length
432 words
Files
1
Skills in repo
686
Repo updated
First seen
Licence
Apache-2.0

At a glance

Edit an existing Power Apps canvas app. An agent skill from hashgraph-online/awesome-codex-plugins.

  • Works in 6 steps: Create App Folder → Sync and Check → Assess Complexity → …
  • The user wants to modify
  • SKILL.md covers Overview, Phase 0 — Create App Folder, Phase 1 — Sync and Check and Phase 2 — Assess Complexity, plus 5 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Edit Canvas App is an agent skill from hashgraph-online/awesome-codex-plugins. Edit an existing Power Apps canvas app. USE WHEN the user wants to modify, update, change, or edit an existing Canvas App or pa.yaml files.

Its SKILL.md is about 890 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The repository describes itself as: A curated list of awesome OpenAI Codex / ChatGPT plugins, skills, and resources. The 1 Codex Marketplace. See live plugins at: https://hol.org/plugins/best-codex-plugins. The licence is Apache-2.0.

When your agent uses it

  • The user wants to modify
  • Edit an existing Canvas App

Example prompts

  • “/edit-canvas-app”

Workflow steps

6 steps, taken from the step headings in SKILL.md.

  1. Create App Folder
  2. Sync and Check
  3. Assess Complexity
  4. Edit (Complex path only, Screen Editor Agent)
  5. Validate and Fix (Complex path only)
  6. Summary

What it can do on your machine

Read from SKILL.md and the folder at commit 78497e5. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are bash).

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Edit Canvas App loads about 890 tokens when it runs. Until then it costs about 39 tokens; SKILL.md has 432 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~39
When it runs · the whole SKILL.md, loaded when a task matches
~890

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from hashgraph-online/awesome-codex-plugins at commit 78497e5, republished under its Apache-2.0 licence (© hashgraph-online). 432 words, ~890 tokens.

Download SKILL.mdSave it as .claude/skills/edit-canvas-app/SKILL.md (or your agent's skills folder).
name
edit-canvas-app
description
Edit an existing Power Apps canvas app. USE WHEN the user wants to modify, update, change, or edit an existing Canvas App or pa.yaml files.
version
2.0.0-codex
author
Microsoft Corporation (adapted for Codex by setup plan)

Edit a Canvas App

Make the following changes to the existing Canvas App:

$ARGUMENTS

Overview

Two paths depending on edit complexity:

  • Simple edits (≤2 controls, ≤1 screen, no new screens/data) — handled inline
  • Complex edits (multiple screens, new screens, structural changes) — via planner + editor agents

Plugin root: the directory containing skills/, agents/, and references/

Phase 0 — Create App Folder

  1. Derive a short folder name from $ARGUMENTS — extract the app name or use a 2–3 word summary
  2. Convert to kebab-case
  3. Create the folder: mkdir -p <folder-name>
  4. Resolve its absolute path — this is the working directory

Phase 1 — Sync and Check

Call sync_canvas targeting the working directory. This pulls the current app state from the coauthoring session into local .pa.yaml files.

After sync, read the files and check if the app has meaningful content. An app is empty if:

  • No .pa.yaml files were written, or
  • No screens with actual controls (non-container children) exist

If empty, inform the user and switch to the full generate-canvas-app workflow.

Phase 2 — Assess Complexity

Simple — ALL of these are true:

  • Changes affect ≤2 controls or properties
  • Changes are confined to ≤1 screen
  • No new screens, data sources, or structural layout changes

Complex — ANY of these are true:

  • Changes span multiple screens
  • New screens need to be created
  • New data sources or connectors are required
  • Structural layout changes involved

Phase 3a — Simple: Direct Edit

Read ../../references/TechnicalGuide.md.

Apply changes directly to the relevant .pa.yaml files.

Call compile_canvas on the working directory. Iterate until clean.

Present summary:

Edit complete. [1-2 sentence description.] Compiled clean after [N] pass(es).

Show full SKILL.md (172 more words)Show less

Phase 3b — Complex: Plan (Edit Planner Agent)

Read the edit planner agent definition:

  • ../../references/TechnicalGuide.md
  • ../../references/DesignGuide.md
  • ../../agents/canvas-edit-planner.md

Adopt the role of canvas-edit-planner and follow every step in that file with:

  • Edit requirements: $ARGUMENTS
  • Working directory: the absolute path from Phase 0
  • Plugin root: the directory containing skills/, agents/, and references/
  • List of synced .pa.yaml files

Do not proceed to Phase 4 until the user approves the plan.

Phase 4 — Edit (Complex path only, Screen Editor Agent)

After the planner completes, read canvas-edit-plan.md from the working directory.

Extract screens to modify and screens to add.

For each affected screen, in sequence:

  1. Read the editor agent definition: ../../agents/canvas-screen-editor.md
  2. Adopt the role of canvas-screen-editor for this screen
  3. Follow every step in that file with:
    • Screen name and action (Modify / Add)
    • Target file name
    • Plan document path
    • Working directory

Phase 5 — Validate and Fix (Complex path only)

Call compile_canvas on the working directory. Iterate until clean.

Phase 6 — Summary

Delete canvas-edit-plan.md:

bash
rm <working-directory>/canvas-edit-plan.md

Present final summary table of all screens modified/added, compilation passes, any remaining errors.

© hashgraph-online, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in plugins/Ratnam-Mishra/canvas-apps-plugin-codex/skills/edit-canvas-app of hashgraph-online/awesome-codex-plugins.

Open the folder on GitHubat commit 78497e5

Compare with similar skills

Edit Canvas App next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Edit Canvas App compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Edit Canvas App this skillhashgraph-online/awesome-codex-plugins1.2k—~890Automated safety check: PassApache-2.0
Canvasopenclaw/openclaw392k—~263Automated safety check: PassMIT
Canva Designerasgeirtj/system_prompts_leaks69k—~2.1kAutomated safety check: PassCC0-1.0
Canvas Designanthropics/skills180k52 repos~3kAutomated safety check: PassApache-2.0
Canvas AutomationComposioHQ/awesome-claude-skills77k3 repos~727Automated safety check: PassNone
Canvas Displayspinabot/brigade11k—~1.4kAutomated safety check: PassMIT

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Questions about Edit Canvas App

What does Edit Canvas App do?

Edit an existing Power Apps canvas app. An agent skill from hashgraph-online/awesome-codex-plugins. Edit Canvas App is an agent skill from hashgraph-online/awesome-codex-plugins. Edit an existing Power Apps canvas app.

When should I use Edit Canvas App?

Edit Canvas App fits situations like: the user wants to modify; edit an existing Canvas App.

How do I install Edit Canvas App in Claude Code?

Run `npx skills add hashgraph-online/awesome-codex-plugins --skill edit-canvas-app -a claude-code`. Or copy the skill folder (plugins/Ratnam-Mishra/canvas-apps-plugin-codex/skills/edit-canvas-app in hashgraph-online/awesome-codex-plugins) into .claude/skills/edit-canvas-app in your project. Claude Code loads it when a task matches its description.

How do I install Edit Canvas App in Codex?

Run `npx skills add hashgraph-online/awesome-codex-plugins --skill edit-canvas-app -a codex`. Or copy the skill folder (plugins/Ratnam-Mishra/canvas-apps-plugin-codex/skills/edit-canvas-app in hashgraph-online/awesome-codex-plugins) into .agents/skills/edit-canvas-app in your project. Codex loads it when a task matches its description.

Can I use Edit Canvas App in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add hashgraph-online/awesome-codex-plugins --skill edit-canvas-app -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/edit-canvas-app, .gemini/skills/edit-canvas-app, .github/skills/edit-canvas-app and .opencode/skills/edit-canvas-app in your project.

What does Edit Canvas App need to run?

SKILL.md names no scripts, command-line tools or credentials: Edit Canvas App is instructions for the agent only.

Does Edit Canvas App access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Edit Canvas App safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Edit Canvas App use?

Edit Canvas App is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Edit Canvas App use?

About 890 tokens (SKILL.md is roughly 3.6k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Edit Canvas App?

Skills that share tags, products or a category with Edit Canvas App: Canvas (openclaw/openclaw, 392k stars), Canva Designer (asgeirtj/system_prompts_leaks, 69k stars), Canvas Design (anthropics/skills, 180k stars) and Canvas Automation (ComposioHQ/awesome-claude-skills, 77k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Edit Canvas App?

hashgraph-online (a GitHub organization) maintains it in hashgraph-online/awesome-codex-plugins, which has 1,242 GitHub stars. The repository holds 686 skills in this directory. The repository was last updated on October 8, 2026.

Source: hashgraph-online/awesome-codex-plugins on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.