Elixir
streamband/hydra-srt
A skill your agent uses for Elixir/Phoenix development in this repo: implementing features, refactors, debugging, tests, Ecto changes, and production-safe fixes.
Bump outdated Hex deps — inventory, snapshot changelogs, update, fix breaks, split reviewable PRs (patches bundled, majors solo).
Install Deps Update
$ npx skills add oliver-kriska/claude-elixir-phoenix --skill deps-update -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install oliver-kriska/claude-elixir-phoenix deps-update --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/oliver-kriska/claude-elixir-phoenix.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/elixir-phoenix/skills/deps-update .claude/skills/deps-update && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "deps-update" agent skill from https://github.com/oliver-kriska/claude-elixir-phoenix/tree/main/plugins/elixir-phoenix/skills/deps-update into .claude/skills/deps-update/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "deps-update", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/oliver-kriska/claude-elixir-phoenix/tree/main/plugins/elixir-phoenix/skills/deps-updateType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add oliver-kriska/claude-elixir-phoenix --skill deps-update -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install oliver-kriska/claude-elixir-phoenix deps-update --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/oliver-kriska/claude-elixir-phoenix.git skills-src && mkdir -p .agents/skills && cp -r skills-src/plugins/elixir-phoenix/skills/deps-update .agents/skills/deps-update && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "deps-update" agent skill from https://github.com/oliver-kriska/claude-elixir-phoenix/tree/main/plugins/elixir-phoenix/skills/deps-update into .agents/skills/deps-update/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "deps-update", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add oliver-kriska/claude-elixir-phoenix --skill deps-update -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install oliver-kriska/claude-elixir-phoenix deps-update --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/oliver-kriska/claude-elixir-phoenix.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/plugins/elixir-phoenix/skills/deps-update .cursor/skills/deps-update && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "deps-update" agent skill from https://github.com/oliver-kriska/claude-elixir-phoenix/tree/main/plugins/elixir-phoenix/skills/deps-update into .cursor/skills/deps-update/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "deps-update", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/oliver-kriska/claude-elixir-phoenix.git --path plugins/elixir-phoenix/skills/deps-update--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add oliver-kriska/claude-elixir-phoenix --skill deps-update -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install oliver-kriska/claude-elixir-phoenix deps-update --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/oliver-kriska/claude-elixir-phoenix.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/plugins/elixir-phoenix/skills/deps-update .gemini/skills/deps-update && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "deps-update" agent skill from https://github.com/oliver-kriska/claude-elixir-phoenix/tree/main/plugins/elixir-phoenix/skills/deps-update into .gemini/skills/deps-update/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "deps-update", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install oliver-kriska/claude-elixir-phoenix deps-updateInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add oliver-kriska/claude-elixir-phoenix --skill deps-update -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/oliver-kriska/claude-elixir-phoenix.git skills-src && mkdir -p .github/skills && cp -r skills-src/plugins/elixir-phoenix/skills/deps-update .github/skills/deps-update && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "deps-update" agent skill from https://github.com/oliver-kriska/claude-elixir-phoenix/tree/main/plugins/elixir-phoenix/skills/deps-update into .github/skills/deps-update/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "deps-update", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add oliver-kriska/claude-elixir-phoenix --skill deps-update -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install oliver-kriska/claude-elixir-phoenix deps-update --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/oliver-kriska/claude-elixir-phoenix.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/plugins/elixir-phoenix/skills/deps-update .opencode/skills/deps-update && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "deps-update" agent skill from https://github.com/oliver-kriska/claude-elixir-phoenix/tree/main/plugins/elixir-phoenix/skills/deps-update into .opencode/skills/deps-update/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "deps-update", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
deps-update- GitHub stars
- 565
- Token cost
- ~1.4k tokens
- SKILL.md length
- 525 words
- Files
- 5 (incl. references)
- Skills in repo
- 109
- Repo updated
- First seen
- Licence
- MIT
At a glance
Bump outdated Hex deps — inventory, snapshot changelogs, update, fix breaks, split reviewable PRs (patches bundled, majors solo).
- Works in 8 steps: Discover → Inventory → Scope (AskUserQuestion) → …
- Upgrade/bump Elixir dependencies
- SKILL.md covers Usage, Iron Laws, Workflow and Integration, plus 1 more section
- Calls git, gh and npm; reaches diff.hex.pm
What it does
Deps Update is an agent skill from oliver-kriska/claude-elixir-phoenix. Bump outdated Hex deps — inventory, snapshot changelogs, update, fix breaks, split reviewable PRs (patches bundled, majors solo). Use to upgrade/bump Elixir dependencies or when versions fall behind. NOT for deps.get failures (/phx:investigate).
Its SKILL.md is about 1.4k tokens, which your agent loads only when the skill is triggered. The skill folder holds 5 other files, including reference files (for example `references/changelog-sources.md`, `references/coupled-groups.md` and `references/pr-strategy.md`).
It sits in Development, covering Changelog and release notes and LLM observability. It works with Elixir. The repository describes itself as: Claude Code plugin for Elixir/Phoenix/LiveView — 26 specialist agents, Iron Laws enforcement, and Tidewave MCP integration. Plan features with parallel research agents, execute… The licence is MIT.
When your agent uses it
- Upgrade/bump Elixir dependencies
- Versions fall behind
Example prompts
- “/deps-update”
Requirements
- Node.js
Workflow steps
8 steps, taken from the step headings in SKILL.md.
What it can do on your machine
Read from SKILL.md and the folder at commit 9767a82. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
Shell commands in SKILL.md call:
gitghnpm
From the folder's file list and the shell code blocks in SKILL.md.
Network
Hosts in commands or code, which the agent is likely to contact:
diff.hex.pm
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Deps Update loads about 1.4k tokens when it runs, and up to ~3.7k if it reads all its reference files. Until then it costs about 64 tokens; SKILL.md has 525 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from oliver-kriska/claude-elixir-phoenix at commit 9767a82, republished under its MIT licence (© oliver-kriska). 525 words, ~1,350 tokens.
Download SKILL.mdSave it as
.claude/skills/deps-update/SKILL.md (or your agent's skills folder). This skill also uses 4 other files; get the full folder from GitHub.- name
- deps-update
- description
- Bump outdated Hex deps — inventory, snapshot changelogs, update, fix breaks, split reviewable PRs (patches bundled, majors solo). Use to upgrade/bump Elixir dependencies or when versions fall behind. NOT for deps.get failures (/phx:investigate).
- effort
- high
- argument-hint
- [--scope patch|minor|major|all] [--pkg <name>...] [--pr-per major|area|none] [--dry-run]
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 changesIron 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 ${CLAUDE_SKILL_DIR}/references/update-mechanics.md). Classify each
row patch/minor/major by semver delta; Update not possible = blocked
major (mix.exs constraint). Write inventory.md to scratch. Render
grouped table: Patch / Minor / Major / Blocked / Git-deps (manual).
--dry-run stops here.
Phase 2: Scope (AskUserQuestion)
Present groups with counts and risk. Default recommendation: "Patches (N)
— low risk, bundle into one PR". --scope/--pkg flags skip the prompt.
When ≥2 members of a coupled group are outdated, force them into one step
even under a narrower scope.
Show full SKILL.md (234 more words)Show less
Phase 3: Per-Package Update Loop
For each selected package, in coupled-group order:
- Snapshot
deps/<pkg>/CHANGELOG.md→scratch/before/ - Update — patch/minor:
mix deps.update <pkg> [coupled...]; major: editmix.exsconstraint (+override: trueif needed), thenmix deps.update <pkg> git diff mix.lock→ the REAL{pkg, old, new}set (hex.outdated says what could change; the lock diff says what did)- Changelog delta:
mix hex.package diff <pkg> <old>..<new>— keep the CHANGELOG hunk. Empty →gh api repos/{o}/{r}/releasesfallback → compare-URL note (see${CLAUDE_SKILL_DIR}/references/changelog-sources.md) - Write
scratch/{pkg}-{old}-{new}.md - Phoenix-family in the diff +
assets/package.jsonexists →npm install --prefix assets, stageassets/package-lock.jsonwith the same commit
Phase 4: Verify
Run /phx:verify. On failure → Phase 5; else Phase 6.
Phase 5: Breaking-Change Fixes
Read the changelog deltas for "breaking"/"removed"/"deprecated" + the compile/test errors. Fix source (apply the sibling-file check). Re-verify.
Phase 6: Security Handoff
Run /phx:deps-audit on the working mix.lock diff (its Mode B default).
BLOCK findings → surface and offer /phx:deps-vet <pkg> <ver> for
accepted risks. Never skip this before a PR.
Phase 7: Group, Commit, PR
Apply the splitting strategy (${CLAUDE_SKILL_DIR}/references/pr-strategy.md):
patches bundled, minors by area, majors solo, coupled groups always
together. PR bodies cite the changelog excerpt, the
https://diff.hex.pm/diff/<pkg>/<old>..<new> link, verification result,
and the deps-audit risk band. Stage lock + mix.exs + package-lock together.
Integration
/phx:deps-update (mutating) → /phx:deps-audit (security, Mode B)
│ │ BLOCK → /phx:deps-vet (ledger)
└→ /phx:verify (gate) → grouped commits / PRsReferences
${CLAUDE_SKILL_DIR}/references/update-mechanics.md— hex.outdated parsing, update vs unlock+get, majors, lock-diff${CLAUDE_SKILL_DIR}/references/changelog-sources.md— hex.package diff, gh fallbacks, private orgs${CLAUDE_SKILL_DIR}/references/coupled-groups.md— must-move-together groups + edge cases${CLAUDE_SKILL_DIR}/references/pr-strategy.md— grouping rules, area buckets, PR template, scratch layout
© oliver-kriska, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 4 other files (references) in plugins/elixir-phoenix/skills/deps-update of oliver-kriska/claude-elixir-phoenix.
- SKILL.md
- references/changelog-sources.md
- references/coupled-groups.md
- references/pr-strategy.md
- references/update-mechanics.md
Open the folder on GitHubat commit 9767a82
Compare with similar skills
Deps Update next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Deps Update this skilloliver-kriska/claude-elixir-phoenix | 565 | — | ~1.4k | Automated safety check: Pass | MIT | |
| Elixirstreamband/hydra-srt | 147 | — | ~804 | Automated safety check: Pass | Apache-2.0 | |
| Change CleanupSimon-Initiative/oli-torus | 119 | — | ~3.7k | Automated safety check: Pass | MIT | |
| Elixir AntipatternsGentleman-Programming/Gentleman-Skills | 658 | — | ~2.1k | Automated safety check: Pass | MIT | |
| Version Bumpdmkenney/xamal | 106 | — | ~911 | Automated safety check: Pass | MIT | |
| Changelog Writinglangfuse/langfuse | 36k | — | ~408 | Automated safety check: Pass | Custom licence |
Similar skills
Change Cleanup
Simon-Initiative/oli-torus
Clean up and harden code introduced by the current branch without drifting into broad refactors.
Elixir Antipatterns
Gentleman-Programming/Gentleman-Skills
Core catalog of 8 critical Elixir/Phoenix anti-patterns covering error handling, separation of concerns, Ecto queries, and testing.
Version Bump
dmkenney/xamal
Prepare a new Xamal version locally — bump @version in mix.exs, roll the CHANGELOG.md
Changelog Writing
langfuse/langfuse
Shared workflow for writing Langfuse changelog entries after a feature is complete.
Phoenix Release Notes
Arize-ai/phoenix
Create Phoenix release documentation grounded in actual code changes.
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Audit
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Compound Docs
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Deploy
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Elixir/Phoenix deployment patterns — Dockerfile, fly.toml, runtime.exs, mix release, rel/ overlays.
Deps Vet
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Record a vetted Hex package version in hexvet.exs after a security review — manages the audit ledger, not the scanner.
Related
Works with
Categories
Questions about Deps Update
What does Deps Update do?
Bump outdated Hex deps — inventory, snapshot changelogs, update, fix breaks, split reviewable PRs (patches bundled, majors solo). Deps Update is an agent skill from oliver-kriska/claude-elixir-phoenix. Bump outdated Hex deps — inventory, snapshot changelogs, update, fix breaks, split reviewable PRs (patches bundled, majors solo).
When should I use Deps Update?
Deps Update fits situations like: upgrade/bump Elixir dependencies; versions fall behind.
How do I install Deps Update in Claude Code?
Run `npx skills add oliver-kriska/claude-elixir-phoenix --skill deps-update -a claude-code`. Or copy the skill folder (plugins/elixir-phoenix/skills/deps-update in oliver-kriska/claude-elixir-phoenix) into .claude/skills/deps-update in your project. Claude Code loads it when a task matches its description.
How do I install Deps Update in Codex?
Run `npx skills add oliver-kriska/claude-elixir-phoenix --skill deps-update -a codex`. Or copy the skill folder (plugins/elixir-phoenix/skills/deps-update in oliver-kriska/claude-elixir-phoenix) into .agents/skills/deps-update in your project. Codex loads it when a task matches its description.
Can I use Deps Update in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add oliver-kriska/claude-elixir-phoenix --skill deps-update -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/deps-update, .gemini/skills/deps-update, .github/skills/deps-update and .opencode/skills/deps-update in your project.
What does Deps Update need to run?
Going by SKILL.md and its folder, Deps Update needs the command-line tools its instructions call (git, gh and npm). Our summary lists: Node.js.
Does Deps Update access the network?
SKILL.md names 1 domain. In commands or code: diff.hex.pm; the agent is likely to contact it when it follows the instructions. This is read from the text; nothing was executed.
Is Deps Update safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Deps Update use?
Deps Update is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Deps Update use?
About 1.4k tokens (SKILL.md is roughly 5.4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 2.4k tokens, read only when the agent opens those files.
What are the alternatives to Deps Update?
Skills that share tags, products or a category with Deps Update: Elixir (streamband/hydra-srt, 147 stars), Change Cleanup (Simon-Initiative/oli-torus, 119 stars), Elixir Antipatterns (Gentleman-Programming/Gentleman-Skills, 658 stars) and Version Bump (dmkenney/xamal, 106 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Deps Update?
oliver-kriska (a GitHub user) maintains it in oliver-kriska/claude-elixir-phoenix, which has 565 GitHub stars. The repository holds 109 skills in this directory. The repository was last updated on October 5, 2026.
Source: oliver-kriska/claude-elixir-phoenix on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.