routa: Skill for Claude Code

.agents/skills/canvas/SKILL.md

canvas is a skill for Claude Code, Codex from phodal/routa. It costs 33 tokens per session (599 once invoked), scanned A, original, MIT.

A tool for creating or updating a live visual, interactive canvas for a task. The available details do not explain what kinds of canvases it can create.

In plain words
What is it for?
Use it for tasks that call for an interactive visual canvas, such as arranging information or presenting a visual concept.
Why use it?
It provides a shared visual workspace when plain text is not enough, but the input does not specify which particular problem it solves.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

This is phodal/routa's own configuration. It tells Claude Code and Codex how to work on routa itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything routa configures →

About the project

Routa is a workspace-based coordination platform for delivering software with multiple AI agents, keeping goals, tasks, sessions, traces, evidence, and review decisions visible on a shared board. It is intended for teams managing agent-assisted development across web and desktop applications. The catalogue contains skills and instructions for working with Routa's delivery workflows.

phodal/routa · 1,830 stars · on GitHub · phodal.github.io

Reuse

Borrowing it

Nothing to install: this file belongs to phodal/routa. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/phodal/routa/main/.agents/skills/canvas/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/phodal/routa

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for canvas

README.md
[![agentmods](https://agentmods.dev/badge/skills/phodal/routa/canvas/github.svg)](https://agentmods.dev/skills/phodal/routa/canvas)
Your own site
<a href="https://agentmods.dev/skills/phodal/routa/canvas"><img src="https://agentmods.dev/badge/skills/phodal/routa/canvas/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for canvas

Your own site · 80×15
<a href="https://agentmods.dev/skills/phodal/routa/canvas"><img src="https://agentmods.dev/badge/skills/phodal/routa/canvas.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 33 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 599 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00033 $0.00599
Opus 5.5 $0.00013 $0.00240
Sonnet 5.5 $0.00007 $0.00120
Haiku 4.5 $0.00003 $0.00060

Measured 1mo ago against content hash fb660e0589f9, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

canvas 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 1mo 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.

.agents/skills/canvas/SKILL.md · 46 lines

What it actually says

Use Routa Canvas for this turn.

Canvas behavior:

  • Create or overwrite exactly one *.canvas.tsx file during the tool run.
  • The file content must be the TSX source itself, not markdown.
  • Prefer storing the file under the selected repository when appropriate.
  • Use a short descriptive file name ending in .canvas.tsx.
  • After the file is created, mention the created path briefly.

Source contract:

  • Create a Routa browser canvas as TSX source code.
  • Return only the TSX source.
  • Do not include markdown code fences.
  • Do not include explanations, notes, or prose before or after the code.
  • The source must export default function Canvas() or export default Canvas.
  • Prefer a self-contained component with inline styles.
  • If you import anything, you may only import from react, routa/canvas, routa/canvas/*, @canvas-sdk, or @canvas-sdk/*.
  • Do not use browser globals or side effects such as window, document, fetch, or localStorage.
  • Do not render fake shell chrome such as browser frames, global app shells, left sidebars, or chat panes unless the prompt explicitly asks for it.
  • Keep the composition flat, minimal, purposeful; avoid gradients, emojis, box shadows.

Canvas SDK access:

  • Prefer MCP tool read_canvas_sdk_resource with uri resource://routa/canvas-sdk/manifest.
  • If your provider supports native MCP resource reads, you may read that same URI directly instead.
  • That manifest is the authoritative Canvas SDK index for this session.
  • Then read only the defs resources you actually need from its definitionResources list, preferably through read_canvas_sdk_resource.
  • Import only from routa/canvas or react.
  • If a symbol or prop is not present in those resources, do not invent it.
  • Example definition resources:
  • resource://routa/canvas-sdk/defs/primitives
  • resource://routa/canvas-sdk/defs/hooks
  • resource://routa/canvas-sdk/defs/data-display
  • resource://routa/canvas-sdk/defs/containers
  • resource://routa/canvas-sdk/defs/controls
  • resource://routa/canvas-sdk/defs/charts
  • resource://routa/canvas-sdk/defs/diff-view
  • resource://routa/canvas-sdk/defs/dag-layout
  • If neither direct resource reads nor the helper tool are available, stay conservative and use only the symbols named in the manifest.
Changes

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.

  1. 1mo ago First seen · 46 lines · 33 tokens per session scan A fb660e0589f9

Subscribe to this mod's changes

canvas is a skill published in the GitHub repository phodal/routa (1,830 stars, last pushed 13d ago), licensed MIT. It adds 33 tokens to every session and 599 once invoked, about $0.0001 per session on Opus 5.5. 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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