Impeccable now ships a Hermes-compatible bundle under dist/hermes/.hermes/skills/.
Hermes reads the Agent Skills spec as-is, so the bundle uses the four spec
frontmatter fields (name, description, version, license) plus metadata/compatibility
and drops the Claude/Codex-specific extensions Hermes would silently ignore.
The .hermes/skills/ tracked root and the regenerated pin.mjs mirrors will be
produced by .github/workflows/sync-generated-output.yml after this lands; per
AGENTS.md, generated harness churn stays out of feature PRs.
What a Hermes user gets:
- npx impeccable install --providers=hermes --scope=project writes
.hermes/skills/impeccable/ into the cwd.
- npx impeccable install --providers=hermes --scope=user honors $HERMES_HOME,
so a profile-scoped install (HERMES_HOME=~/.hermes/profiles/forge) lands in
the active profile's skills dir, not the default ~/.hermes/. Cross-home
HERMES_HOME inheritance is ignored so test isolation holds.
- /impeccable registers as a Hermes slash command and routes sub-commands via
the Commands table in the skill body, since user-invocable / argument-hint
are not honored by Hermes' skill loader.
What a Hermes user does NOT get, and why:
- No hook surface. Impeccable's PostToolUse/Stop anti-pattern detector on
Claude/Codex/Cursor/Grok/GitHub does not translate to Hermes, which has no
equivalent tool event lifecycle. The skill body still ships.
- No writeOpenAIMetadata, agentFormat, or emitHooks. Hermes has no per-skill
tool ACL, no subagent on-disk format, and no hooks.json equivalent.
Verified end-to-end with hermes-agent v0.18.2: /impeccable polish and
/impeccable critique both load reference/<command>.md and return the
documented first step. parse_frontmatter accepts the generated SKILL.md,
scan_skill_commands registers /impeccable, and the full default test suite
passes (267/267 in the critical files; 0 fail across all suites).
Volta's Windows shims exec through `cmd /C`, which re-parses the argument
list, so the `>=` inside the probe's `node -e` payload was read as output
redirection. The command died with "The filename, directory name, or volume
label syntax is incorrect" before node started, the guard read that as a
missing runtime, and the hook it exists to protect was disabled on every
PostToolUse and Stop. A user on a supported Node 24 got a one-time notice
telling them to install Node 22, then silence.
Clamping with Math.min is the same floor test in the same ES5-only syntax,
with no character cmd.exe can claim. Verified through the Volta shim on Node
24.16.0 and 22.18.0 (exit 0) and against a real Node 20.6.1 binary (exit 1),
so the floor is unchanged. Adds a regression test asserting no `<`, `>`, or
newline reaches any generated `node -e` payload.
Upstream cause: volta-cli/volta#1791.
Prepared with AI assistance (Claude Code).
Upgrade @babel/parser from 7.29.7 to 8.0.4 and raise the repository Node 22 minimum from 22.12.0 to 22.18.0 across package metadata, CI, and npm documentation.
No parser API migration was required. Validated with the full local suite and refreshed GitHub CI on Node 22.18.0 and Node 24.
Prepared and validated with AI assistance from OpenAI Codex under maintainer instructions.
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