License

Hephaestus Skills is released under the MIT License below. View it on GitHub.

MIT License

Copyright (c) 2026 Ryan Le

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

Third-party sources

Some skills and instructions here started from open-source work and were then edited for my workflow. License texts for each source are in LICENSES/.

Path	Upstream	License
`AGENTS.md` (base rules)	github.com/kunchenguid/dotfiles `home/AGENTS.md`	MIT-0
`skills/verify-loop` (CI gate after the PR/MR opens), `skills/root-cause` (tests of declarative files)	ideas from github.com/kunchenguid/no-mistakes	MIT
`skills/gnhf`	github.com/kunchenguid/gnhf	MIT
`skills/vision`	github.com/kunchenguid/vision	MIT
`skills/stow`	github.com/kunchenguid/firstmate	MIT
`skills/axi`	github.com/kunchenguid/axi	MIT
`skills/chrome-devtools-axi`	github.com/kunchenguid/chrome-devtools-axi	MIT
`skills/fresh-review`	distilled from grok-ship `adversarial-review`	MIT
`skills/ask-or-decide`	distilled from firstmate `ask-user-authority` and AGENTS.md escalation rules	MIT
`skills/knowledge-placement`	distilled from firstmate `firstmate-coding-guidelines`	MIT
`skills/root-cause` (incl. `scripts/find-polluter.sh`)	distilled from github.com/obra/superpowers `systematic-debugging` and `test-driven-development/writing-good-tests.md`	MIT
`skills/knowledge-placement` (skill-writing rules), `skills/worktree-flow` (existing-worktree check), `AGENTS.md` (verification rule)	ideas from github.com/obra/superpowers `writing-skills`, `using-git-worktrees`, `verification-before-completion`	MIT
`skills/fresh-review` (conditional dimensions, confidence filter), `skills/feature-build`, `skills/root-cause` (characterization tests), `skills/worktree-flow` (gone-branch cleanup), `skills/project-init` (drift checks), `skills/knowledge-placement` (hook tier)	adapted from github.com/anthropics/claude-plugins-official `code-review`, `pr-review-toolkit`, `feature-dev`, `code-modernization`, `commit-commands`, `claude-md-management`, `hookify`	Apache-2.0
`skills/knowledge-placement` (trigger and reader tests), `skills/fe-guardrails` (copy rules)	adapted from github.com/anthropics/skills `skill-creator`, `doc-coauthoring`, `frontend-design`	Apache-2.0
`skills/security-pass`, `skills/root-cause` (fix self-check, variant hunt)	adapted from github.com/anthropics/defending-code-reference-harness; ideas only (no text) from claude-plugins-official `claude-security`, which is proprietary	Apache-2.0
`skills/worktree-flow` (resume file)	ideas from github.com/anthropics/cwc-long-running-agents	Apache-2.0
`skills/feature-build/tech/`	distilled from github.com/vercel-labs/agent-skills (`react-best-practices`, `composition-patterns`) and github.com/supabase/agent-skills (`supabase`, `supabase-postgres-best-practices`); facts and links only, no text, from nextjs.org/docs (`ai-agents` guide), vercel.com/docs, docs.nestjs.com, and github.com/vercel/vercel-plugin (no license asserted)	MIT
`skills/betterstack-logs` (query flow, MCP setup)	ideas from betterstack.com/docs and github.com/BetterStackHQ/claude-plugin `logs-query`, `errors-query`, `collector-queries`, `investigate-incident`	MIT (plugin)
`skills/logging-standard`	distilled from my westmont-erp `packages/logger`	mine
`skills/jira-bug-hunter` (incl. `scripts/hunt_report.py`)	mine; report layout modeled on my VOCO TMA QA report	mine
`skills/verify-loop` (incl. `scripts/checks.py`, `references/ci.md`)	ideas from claude.com article "Building verification loops in Claude Code with skills" (placements, project-specific checks, CI), github.com/obra/superpowers `verification-before-completion` (claim and evidence table), github.com/affaan-m/everything-claude-code `verification-loop` (gated phases, report table); CI YAML from code.claude.com/docs/en/github-actions	MIT (skills), docs
`hooks/`	mine	mine
local changes to vendored skills	`gnhf` (iteration and relaunch caps; launched via `npx -y --prefer-offline gnhf` instead of assuming a global install, since `README.md` links were also rewritten to the upstream GitHub URL), `stow` (curate only touched files), `chrome-devtools-axi` (browser order defers to `e2e-verify`, `--prefer-offline`)	reapply after any upstream sync
`reference/opinions-example.md`	github.com/kunchenguid/kun `OPINIONS.md` (no upstream license; keep this repo private)	none
`skills/flow-trace`, `skills/e2e-verify`, `skills/bug-triage`, `skills/fe-guardrails`, `skills/server-touch`	distilled from my westmont-erp project workflow	mine

Third-party sources

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