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/canvora/canvora-mcp/visual-refreshnpx skills add canvora/canvora-mcp --skill visual-refreshgit clone --depth 1 https://github.com/canvora/canvora-mcpWrote 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/canvora/canvora-mcp/visual-refresh)<a href="https://agentmods.dev/skills/canvora/canvora-mcp/visual-refresh"><img src="https://agentmods.dev/badge/skills/canvora/canvora-mcp/visual-refresh.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 5.1 | $0.00055 | $0.01224 |
| Opus 5 | $0.00028 | $0.00612 |
| Sonnet 5 | $0.00011 | $0.00245 |
| Haiku 4.5 | $0.00006 | $0.00122 |
Grade A, and why
visual-refresh 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 — 108 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Refining what already exists
The most expensive mistake an agent makes with Canvora is regenerating. A new generation costs full price, throws away a design the user already liked, and comes back different in ways they didn't ask for. Almost every "can you change X" is a 3-credit edit.
Setup and credits: see the canvora skill.
Pick the right operation
| The user says | Operation | Cost |
|---|---|---|
| "make the headline bigger", "change 73% to 78%", "warmer colors" | edit one output |
3 |
| "same thing in Spanish" | localize the generation |
10 per visual per language |
| "show me some other options" | variations |
10 per image (15 per carousel slide) |
| "go back to the previous one" | revert_edit (MCP) |
free |
| "what did we change?" | get_edit_history (MCP) |
free |
| "completely different message" | a new generate |
full price — the only honest case |
If you're unsure between edit and variations: does the user want this
design fixed, or a different design? Fixed → edit. Different → variations.
Targeted edits
# Preview first (prints Canvora's interpretation, spends nothing)
canvora edit $OUTPUT_ID --prompt "make the headline bigger and increase contrast"
# Execute
canvora edit $OUTPUT_ID --prompt "make the headline bigger and increase contrast" --yes --json
- Edits act on one output, identified by
outputId(not the generation id). Get it fromcanvora status <generationId> --json. - Without
--yesyou get a preview of what it understood — show that to the user when the instruction was ambiguous. - "needs clarification" means the instruction was too vague. Re-prompt with a concrete noun: which text, which element.
- One change per edit. "Bigger headline and swap the photo and make it blue" is three edits, and each one preserves more of the design than a combined instruction would.
Whole-generation operations
# Every visual in the generation, new language, layout untouched
NEW=$(canvora localize $GENERATION_ID --language es | head -1)
canvora status "$NEW" --json # repeat every ~30s until completed
# Fresh takes on the same content
NEW=$(canvora variations $GENERATION_ID --count 2 | head -1)
canvora status "$NEW" --json
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 · 108 lines · 55 tokens per session scan A dae6a2ba8450
visual-refresh is a skill published in the GitHub repository canvora/canvora-mcp (0 stars, last pushed 23d ago), licensed MIT. It adds 55 tokens to every session and 1,224 once invoked, about $0.0003 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 2026-08-31.
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