Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/canva-sdks/canva-skills/implement-feedbacknpx skills add canva-sdks/canva-skills --skill implement-feedbackgit clone --depth 1 https://github.com/canva-sdks/canva-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/canva-sdks/canva-skills/implement-feedback)<a href="https://agentmods.dev/skills/canva-sdks/canva-skills/implement-feedback"><img src="https://agentmods.dev/badge/skills/canva-sdks/canva-skills/implement-feedback.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00080 | $0.01566 |
| Opus 5 | $0.00040 | $0.00783 |
| Sonnet 5 | $0.00016 | $0.00313 |
| Haiku 4.5 | $0.00008 | $0.00157 |
Grade A, and why
canva-implement-feedback scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 113 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Feedback to Finished
A deck has been out for review — stakeholders have left comments scattered across slides. This skill reads every thread, summarises what reviewers actually want, makes the clear-cut changes directly, and flags anything ambiguous for a human decision.
Canva Editing API — What You Can and Cannot Do
Before triaging feedback, you MUST know these constraints. This avoids wasted back-and-forth with the user on changes that are impossible via the API.
What the API CAN do (via perform-editing-operations)
- Text content: replace entire text elements (
replace_text), find-and-replace substrings (find_and_replace_text) - Text formatting: font size, font weight (bold), font style (italic), text color, text alignment, line height, text decoration (underline), strikethrough, links, list formatting
- Media: replace images/videos (
update_fill), insert new images/videos (insert_fill), delete elements (delete_element) - Layout: reposition elements (
position_element), resize elements (resize_element) - Metadata: update design title (
update_title)
What the API CANNOT do
- Change font family/typeface — only size, weight, and style are supported
- Add new text elements — you can only insert media (images/videos), not new text boxes
- Change background colors or gradients
- Add, remove, or reorder pages/slides
- Modify animations or transitions
- Change element opacity (except on newly inserted fills)
- Group/ungroup elements
- Modify shapes (color, border, etc.) — only text within shapes can be edited
Triage rule
When a comment requests something in the "CANNOT do" list, classify it as Requires manual action. Don't dwell on the limitation — simply note it in the summary and move on. These are normal; most design reviews will have a mix of API-supported and manual changes. Save the details for the manual changes checklist at the end (Step 7).
Workflow
Step 1: Resolve the Design
- If the user provides a short link (
canva.link), callCanva:resolve-shortlinkto get the design URL - If the user provides a full Canva URL, extract the design ID from the URL
- If the user provides a design ID directly (typically starts with
D, e.g.DABcd1234ef), use it asdesign_id; do not useCanva:search-designsfor a raw ID - Otherwise ask for the design ID or link
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 5d ago First seen · 113 lines · 80 tokens per session scan A cb0d8a7434e7
canva-implement-feedback is a skill published in the GitHub repository canva-sdks/canva-skills (88 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 80 tokens to every session and 1,566 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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