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 oliver-kriska/claude-elixir-phoenix --skill deps-updategit clone --depth 1 https://github.com/oliver-kriska/claude-elixir-phoenixWrote 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/oliver-kriska/claude-elixir-phoenix/deps-update)<a href="https://agentmods.dev/skills/oliver-kriska/claude-elixir-phoenix/deps-update"><img src="https://agentmods.dev/badge/skills/oliver-kriska/claude-elixir-phoenix/deps-update/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/oliver-kriska/claude-elixir-phoenix/deps-update"><img src="https://agentmods.dev/badge/skills/oliver-kriska/claude-elixir-phoenix/deps-update.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium Excessive Agency · line 32 Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
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 | $0.00060 | $0.01475 |
| Opus 5 | $0.00030 | $0.00737 |
| Sonnet 5 | $0.00012 | $0.00295 |
| Haiku 4.5 | $0.00006 | $0.00147 |
Grade A, and why
deps-update 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 6d 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 — 123 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Dependency Update (Freshness)
Inventory → update → fix breaks → grouped PRs. This is the only MUTATING
deps skill: it edits mix.exs, mix.lock, and source. Security scanning
stays in /phx:deps-audit; the vet ledger stays in /phx:deps-vet.
Usage
/phx:deps-update # inventory + interactive scope pick
/phx:deps-update --scope patch # bundle all patch bumps, one PR
/phx:deps-update --pkg phoenix_live_view # one package (+ coupled group)
/phx:deps-update --dry-run # inventory only, no changes
Iron Laws
- NEVER cross a major version without an explicit
mix.exsedit —mix deps.updatestays within requirements. Edit the constraint first; addoverride: trueonly whenmix hex.outdated <pkg>shows a transitive consumer blocking. One major per PR - ALWAYS snapshot the changelog delta BEFORE updating — capture
deps/<pkg>/CHANGELOG.md, then delta viamix hex.package diff. Never update blind - NEVER claim an update is safe without verification — run
/phx:verify(compile --warnings-as-errors + test). "Compiles" ≠ "works" - ALWAYS move coupled packages together — Phoenix core, Ecto, Ash,
Oban, telemetry families update in the SAME step/commit (see
${CLAUDE_SKILL_DIR}/references/coupled-groups.md) - NEVER commit a partial bump —
mix.lock+mix.exsedits + (for Phoenix-family)assets/package-lock.jsonin ONE commit - HAND OFF security to
/phx:deps-audit— run it on the lock diff before any PR; don't reimplement audit rules hex.outdatedexit 1 is normal — it means "deps are outdated", not failure. Capture with|| true
Workflow
Phase 0: Discover
Read mix.exs: deps list, umbrella (apps_path:), git/path deps, private
orgs (organization:/repo: in tuples), Phoenix/Ash presence. Create
scratch dir .claude/deps-update/{YYYY-MM-DD}/.
Phase 1: Inventory
mix hex.outdated --all || true — parse the text table (no JSON exists;
see ${CLAUDE_SKILL_DIR}/references/update-mechanics.md). Classify each
row patch/minor/major by semver delta; Update not possible = blocked
major (mix.exs constraint). Write inventory.md to scratch. Render
grouped table: Patch / Minor / Major / Blocked / Git-deps (manual).
--dry-run stops here.
What ships with it
4 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.
- 6d ago First seen · 123 lines · 60 tokens per session scan A 4306c001fd9c
deps-update is a skill published in the GitHub repository oliver-kriska/claude-elixir-phoenix (542 stars, last pushed 4d ago), licensed MIT. It adds 60 tokens to every session and 1,475 once invoked, about $0.0003 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 2026-09-03.
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