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/haabe/mycelium/canvas-syncnpx skills add haabe/mycelium --skill canvas-syncgit clone --depth 1 https://github.com/haabe/myceliumWrote 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/haabe/mycelium/canvas-sync)<a href="https://agentmods.dev/skills/haabe/mycelium/canvas-sync"><img src="https://agentmods.dev/badge/skills/haabe/mycelium/canvas-sync.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 | $0.00024 | $0.00405 |
| Opus 5 | $0.00012 | $0.00202 |
| Sonnet 5 | $0.00005 | $0.00081 |
| Haiku 4.5 | $0.00002 | $0.00040 |
Grade A, and why
canvas-sync 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 4d 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.
What it actually says
Canvas Sync
When to Use
- Starting a new session (pull latest canvas)
- Ending a session (commit canvas changes)
- After team discussion that changes product direction
- When canvas conflicts arise from parallel work
Workflow
Pull Latest
git pull origin main
Then run /mycelium:diamond-assess to see what changed.
Commit Changes
git add .claude/canvas/ .claude/harness/decision-log.md .claude/memory/
git commit -m "canvas: [brief description of what changed and why]"
Conflict Resolution
- Different canvas files: auto-merges (no conflict)
- Same file, different sections: usually auto-merges
- Same field conflicting: the person with more evidence wins — a manual resolution heuristic for the team, not an automated merge. No tooling evaluates evidence weight;
Gated by:a/canvas-mergeprocedure (read both versions, compare provenance depth on overlapping entries, recommend) — not yet built. - When uncertain: discuss as team, log decision
GitOps Principle
The canvas system IS GitOps for product knowledge — git is the single source of truth, changes are declarative (YAML), and updates flow through version control with review. For infrastructure GitOps (ArgoCD, Flux), see JiT tooling detection for Kubernetes/infrastructure-as-code projects.
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.
- 4d ago First seen · 40 lines · 24 tokens per session scan A 8627804b3360
canvas-sync is a skill published in the GitHub repository haabe/mycelium (45 stars, last pushed today), licensed MIT. It adds 24 tokens to every session and 405 once invoked, about $0.0001 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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