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 cicababba/claude-plugins-marketplace --skill artifact-fs-managergit clone --depth 1 https://github.com/cicababba/claude-plugins-marketplaceWrote 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/cicababba/claude-plugins-marketplace/artifact-fs-manager)<a href="https://agentmods.dev/skills/cicababba/claude-plugins-marketplace/artifact-fs-manager"><img src="https://agentmods.dev/badge/skills/cicababba/claude-plugins-marketplace/artifact-fs-manager/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/cicababba/claude-plugins-marketplace/artifact-fs-manager"><img src="https://agentmods.dev/badge/skills/cicababba/claude-plugins-marketplace/artifact-fs-manager.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 | $0.00047 | $0.00886 |
| Opus 5 | $0.00023 | $0.00443 |
| Sonnet 5 | $0.00009 | $0.00177 |
| Haiku 4.5 | $0.00005 | $0.00089 |
Grade A, and why
artifact-fs-manager 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 11d 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 — 122 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Artifact FS Manager
This skill provides unified file operations for all development session artifacts.
When to Use
- When reading or writing
context-analysis.md - When reading or writing
specification.md - When reading or writing
plan.md - When reading or writing
session.md(content sections, not metadata) - When reading or writing
architecture-plan.yaml - When reading or writing quality reports under
.claude/dev-sessions/quality-reports/ - When generating quality report filenames
Responsibilities
- Read artifact files from session directory
- Write artifact files to session directory
- Generate quality report filenames with format:
YYYYMMDD-HHmm-qa-<reportId>.md - Generate 8-character lowercase hex tokens for report IDs
- Ensure
.claude/dev-sessions/quality-reports/directory exists
Supported Artifacts
| Artifact | Path | Purpose |
|---|---|---|
context-analysis.md |
{sessionPath}/context-analysis.md |
Code analysis findings |
specification.md |
{sessionPath}/specification.md |
Complete requirements |
plan.md |
{sessionPath}/plan.md |
Implementation plan |
session.md |
{sessionPath}/session.md |
Progress and metadata |
architecture-plan.yaml |
{sessionPath}/architecture-plan.yaml |
Complex project architecture |
| Quality Report | .claude/dev-sessions/quality-reports/YYYYMMDD-HHmm-qa-{id}.md |
Quality analysis |
MUST NOT
- Change semantic content of artifacts (just persist strings as provided)
- Modify source code files or project configuration
- Touch
.current-session(owned bysession-manager) - Interpret or transform artifact content
- Generate new content (only persist what is provided)
Process
Reading an Artifact
- Receive artifact type and session path
- Construct full file path
- Read file content
- Return content as string (or null if not found)
Writing an Artifact
- Receive artifact type, session path, and content
- Construct full file path
- Ensure parent directory exists
- Write content to file
- Return success/failure status
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.
- 11d ago First seen · 122 lines · 47 tokens per session scan A 26b360a0c39c
artifact-fs-manager is a skill published in the GitHub repository cicababba/claude-plugins-marketplace (3 stars, last pushed 9mo ago), licensed MIT. It adds 47 tokens to every session and 886 once invoked, about $0.0002 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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