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new-feat

Use when starting a piece of feature or fix work in this repository — taking or opening its GitHub issue, cutting the branch (a worktree on the local bare repo, an in-place branch on the remote environment) and producing the implementation plan, including the wiki pages the work will make stale and its observability plan. Also the step for turning a tracker finding into a branch without publishing it.

72

Quality

90%

Does it follow best practices?

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SecuritybySnyk

Low

Low-risk findings worth noting

SKILL.md
Quality
Evals
Security

Quality

Content

88%Weight 40%Scale 1-5

Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.

An unusually strong workflow skill: fully executable commands, an explicitly ordered dependency chain with real validation gates (stress-plan, the gate probe, NOT RUN tracking), and almost no wasted tokens on things Claude already knows. The residual costs are density — long stretches of rationale-prose in the operative steps — and a body that keeps reference-shaped material inline rather than splitting it out.

Suggestions

Conciseness: trim the justificatory prose in Steps 0 and 2 to bare rules — e.g. compress "a wrong config value produces a tidy diff, a green build and no behaviour change, which no gate can fail on" to "a wrong config value fails no gate", and cut the session-metrics rationale for the complexity rating to one clause.

Progressive disclosure: move the issue body template and the Step 2 plan-content checklist (wiki-staleness, config-value citations, observability requirements) into a references file, leaving SKILL.md as the sequenced overview with clearly signaled one-level-deep pointers.

Progressive disclosure: add a short list at the top of the external paths the skill relies on (references/skills-routing.md, wiki/conventions/wiki-search.md, wiki/shared/observability/overview.md, scripts/changeset-required.sh) so navigation does not depend on reading Steps 2–4.

DimensionReasoningScore

Conciseness

Almost every token carries repo-specific information Claude cannot know — bare-repo paths, the PERSONAL/REMOTE probe, label taxonomy, "@cire/* packages are version-less" — with no explanation of concepts Claude already knows. Not 5: several rationale-heavy passages ("a wrong config value produces a tidy diff, a green build and no behaviour change, which no gate can fail on"; the rate-complexity "contaminated and worthless" justification) run longer than the instruction needs.

4 / 5

Actionability

Guidance is copy-paste ready: the `gh issue create` command includes the full four-field body heredoc, the worktree and `git checkout -B` commands are complete, and the upfront probe script is executable verbatim. Not 4: the few soft spots (project item-edit, the Plan-subagent prompt) still name their exact command or required opening line and a fallback.

5 / 5

Workflow Clarity

The sequence is explicit and dependency-ordered ("Four things, in this order — each depends on the one before"; Steps 0–4 with the Finish checklist), and validation is built in: the pre-flight gate probe, the stress-plan attack with "every finding... fixed in the plan or rejected in writing", and the NEW-FEAT.md convention of recording unrun gates as "NOT RUN". Not 4: checkpoints and feedback loops are explicit, not implicit.

5 / 5

Progressive Disclosure

The one bundle file, references/skills-routing.md, exists, is exactly one level deep, and is clearly signaled in Step 4 ("The routing table is `references/skills-routing.md`"); detail on observability and wiki search is deferred to wiki pages rather than inlined. Not 5: the body itself is a dense ~140-line monolith with no navigation/signposting of its external references, and inlines material (the issue body template, the plan-content checklist) that could live in reference files.

4 / 5

Total

18

/

20

Passed

Description

92%Weight 40%Scale 1-5

Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.

A dense, highly specific description that explicitly states both what the skill does (issue, branch, plan, with wiki-staleness and observability detail) and when to use it, in third person. Its only weakness is verbosity — the parenthetical detail, while accurate, pushes past concise-and-clear — and slightly thin synonym coverage of natural trigger phrases.

DimensionReasoningScore

Specificity

The description lists multiple concrete actions — "taking or opening its GitHub issue, cutting the branch (a worktree on the local bare repo, an in-place branch on the remote environment) and producing the implementation plan, including the wiki pages the work will make stale and its observability plan" — covering every phase of the workflow plus the tracker-finding path. Not 4: there are no gaps in coverage; each named action is concrete rather than generic.

5 / 5

Completeness

Both halves are explicit: "Use when starting a piece of feature or fix work in this repository" answers when with concrete triggers, and the action list (issue → branch → plan, plus "turning a tracker finding into a branch") answers what. Not 4: the when-clause is explicit and specific, not merely present.

5 / 5

Trigger Term Quality

Good natural keyword coverage — "starting a piece of feature or fix work", "GitHub issue", "branch", "implementation plan", "tracker finding" — phrased as a user would say them. Not 5: common synonyms and variations ("bug", "new feature", "start work on issue N") are missing, so coverage is good rather than comprehensive.

4 / 5

Distinctiveness Conflict Risk

It carves a clear niche — the work-start entry point — and is plainly distinguishable from the adjacent skills it names (prep-pr, stress-plan, rate-complexity are downstream steps, not triggers for this one). Not 4: no realistic overlap risk; the trigger ("starting... work") is owned by this skill alone.

5 / 5

Total

19

/

20

Passed

Validation

93%

Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.

Validation — 15 / 16 Passed

Validation for skill structure

CriteriaDescriptionResult

referenced_paths_exist

Referenced path issues: 1 missing

Warning

Total

15

/

16

Passed

Repository
englishstreetventures/osn
Reviewed

Table of Contents

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