Conciseness

The body is lean and assumes competence (no concept explanations, direct commands), but the opening paragraph and "When to reach for this" partially restate each other, and aphoristic guards ("a map, not a substitute...", "an accelerant, not a dependency") repeat the same idea — a few trims short of anchor 5's every-token-earns-its-place.

Actionability

The main command is copy-paste ready with every flag documented ("--project", "--changed", "--since", "--backend", "--max-symbols"), plus concrete install ("npm install -g @colbymchenry/codegraph"), env-var override ("CODE_UNDERSTANDING_CODEGRAPH_BIN"), and a diagnostic ("obsidian-wiki doctor") — fully executable guidance covering the common cases, matching anchor 5.

Workflow Clarity

The sequence (decide when → run command → interpret output by evidence type → open cited locations → cite in output) is clear with explicit error handling ("if the command is unavailable or errors... fall back to your normal exploration") and a verification step ("open the file and confirm before treating it as a real relationship"). It sits at anchor 4 because the overall ordering is conveyed across sections rather than as one explicit sequence — e.g., the doctor capability check appears after the install discussion, not as a step. The skill is read-only, so the destructive/batch validation cap does not apply.

Progressive Disclosure

The ~76-line body is well-sectioned (When to reach for this / Running it / Reading the output / If CodeGraph isn't installed) with no nested or buried references — the only cross-skill mention (wiki-update) is clearly contextual. No bundle files exist and nothing inlined clearly belongs in a separate file, but at >50 lines with all content inline it fits anchor 4's "good structure; minor organization gaps" rather than the sub-50-line case the guideline exempts for a top score.

Specificity

"Map the load-bearing files, symbols, callers, and dependencies" names several concrete artifacts and adds backend specifics ("Uses CodeGraph when available and a dependency-free builtin fallback"), but "Map" is one verb covering the listed objects rather than a list of distinct actions like the anchor-5 example — minor gaps in coverage keep it at 4, not 5, and well above anchor 3's 1-2 concrete actions.

Completeness

It explicitly answers both: what ("Map the load-bearing files, symbols, callers, and dependencies of an unfamiliar codebase") and when ("Use for architecture orientation, impact analysis, what-would-break questions, or finding callers") with concrete trigger phrases — a clear match to anchor 5, well above anchor 4's less-explicit 'when'.

Trigger Term Quality

"Use for architecture orientation, impact analysis, what-would-break questions, or finding callers" includes natural phrases users would actually say, but misses common variations such as "how does X work", "who calls this", or "blast radius" — good coverage with a few natural terms missing, fitting anchor 4 rather than anchor 5's comprehensive synonym coverage.

Distinctiveness Conflict Risk

A clear niche (pre-change architecture/impact mapping) with distinct triggers distinguishes it from generic skills, but phrases like "impact analysis" and "what-would-break questions" carry minor overlap risk with closely related code-review/exploration skills — fits anchor 4 ("mostly distinct; minor overlap risk") better than anchor 5's minimal conflict risk.