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 imMamdouhaboammar/get-fable --skill fable-artifactgit clone --depth 1 https://github.com/imMamdouhaboammar/get-fableWrote 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/immamdouhaboammar/get-fable/fable-artifact)<a href="https://agentmods.dev/skills/immamdouhaboammar/get-fable/fable-artifact"><img src="https://agentmods.dev/badge/skills/immamdouhaboammar/get-fable/fable-artifact/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/immamdouhaboammar/get-fable/fable-artifact"><img src="https://agentmods.dev/badge/skills/immamdouhaboammar/get-fable/fable-artifact.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 | $0.00096 | $0.01737 |
| Opus 5 | $0.00048 | $0.00869 |
| Sonnet 5 | $0.00019 | $0.00347 |
| Haiku 4.5 | $0.00010 | $0.00174 |
Grade A, and why
fable-artifact 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 7d 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 — 196 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Fable Artifact
Turn requirements and evidence into a standalone artifact whose content, structure, diagrams, links, and rendered output can all be checked independently.
Mission
An artifact is not successful because the Markdown parses or the diagram looks polished. It must communicate the right claims to the right audience, preserve source truth, make assumptions visible, and render in the medium the user will actually consume.
Activate When
- producing RFCs, architecture proposals, technical reports, runbooks, decision records, diagrams, or rich standalone documentation;
- packaging analysis/results into a durable document;
- creating a diagram or interactive explanatory artifact from established requirements/evidence.
Do Not Activate When
- a one-paragraph answer is sufficient;
- application logic itself needs modification (
fable-execute); - the main work is numerical chart selection (
fable-dataviz); - facts required by the artifact have not been researched/discovered yet.
Artifact Classification
| Artifact | Primary contract |
|---|---|
| RFC/proposal | decision, alternatives, trade-offs, acceptance/rollout |
| Architecture doc | boundaries, data/control flow, invariants, deployment |
| Runbook | trigger, prerequisites, executable steps, rollback/escalation |
| Incident/report | timeline/evidence/impact without invented causality |
| Decision record | context, decision, alternatives, consequences |
| Diagram | semantic topology/sequence/state, not decorative boxes |
| Interactive explainer | accessible interaction + deterministic content/source |
Protocol
Stage 1 — Define audience and job
State who will use the artifact and what decision/action it must support. One artifact can contain multiple sections, but it should have one primary communication job.
Stage 2 — Build a claim/source map
Before writing polished prose, identify:
- measured/source-backed facts;
- design decisions;
- assumptions/inferences;
- unresolved items;
- data/visual sources;
- claims that need citations/links.
What ships with it
7 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.
- 7d ago First seen · 196 lines · 96 tokens per session scan A 8494c7ad0c83
fable-artifact is a skill published in the GitHub repository imMamdouhaboammar/get-fable (4 stars, last pushed today), licensed MIT. It adds 96 tokens to every session and 1,737 once invoked, about $0.0005 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 2026-09-05.
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