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 skills add mattjoyce/kanban-skill --skill kanban-aigit clone --depth 1 https://github.com/mattjoyce/kanban-skillWrote 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/mattjoyce/kanban-skill/kanban-ai)<a href="https://agentmods.dev/skills/mattjoyce/kanban-skill/kanban-ai"><img src="https://agentmods.dev/badge/skills/mattjoyce/kanban-skill/kanban-ai/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.
<a href="https://agentmods.dev/skills/mattjoyce/kanban-skill/kanban-ai"><img src="https://agentmods.dev/badge/skills/mattjoyce/kanban-skill/kanban-ai.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00076 | $0.01170 |
| Opus 5 | $0.00038 | $0.00585 |
| Sonnet 5 | $0.00015 | $0.00234 |
| Haiku 4.5 | $0.00008 | $0.00117 |
Grade A, and why
kanban-ai 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 12d 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 — 118 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Kanban AI Skill
Manage a Kanban board as Markdown files in the kanban/ directory. Each file is a card. The board state is derived by reading all card files and grouping by status.
Narrative Record (Required)
Treat cards as durable source material for future review. Do not rewrite or delete prior narrative content unless explicitly asked. When updating a card, append a brief narrative note to a ## Narrative section at the end of the file. Focus on reasons, discoveries, insights, and decisions. Avoid transactional status-change logs unless they matter to the story. Use ISO dates.
Narrative entry format:
## Narrative
- 2026-02-05: Discovered the auth flow must support device-based MFA; shifted approach to use WebAuthn. (by @assistant)
If the card has no ## Narrative section, add it. If a change is minor (e.g., typo), skip the narrative note unless it carries meaningful insight.
When a card is moved to done, add enough narrative detail that a future reader can understand the card’s story and outcome. Keep it coherent and complete without being verbose.
Card Fields
Each card's frontmatter supports the following fields:
id— Unique numeric identifier. Scan existing cards inkanban/(includingkanban/archived/), take max + 1. Start at1if empty. Reference cards by this number.status— Column:backlog,todo,doing,done, orarchive.priority—HighorNormal. Defaults toNormalif omitted.blocked_by— List of card IDs that must bedonebefore this card moves todoing. Example:[3, 7]. Omit or set to[]if unblocked.assignee— (optional) Owner of the card.due_date— (optional) Target date.tags— (optional) List of labels.
Creating a Card
Create a new .md file in kanban/. Filename should be kebab-case.
If possible, include a Job Story using the structure “When [situation], I want to [motivation], so I can [expected outcome].” Do not force it; only add when it fits. If you add one, share it with the requester to confirm.
What ships with it
6 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 12d ago First seen · 118 lines · 76 tokens per session scan A 1f18b4827137
kanban-ai is a skill published in the GitHub repository mattjoyce/kanban-skill (24 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 76 tokens to every session and 1,170 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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