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Score any technical document against the 14 Hemingway writing rules — without changing it. ALWAYS run automatically on every plan Claude produces, before any edit is applied. This is not optional and requires no user prompt. Run it on every plan, spec, proposal, README, or prose document Claude writes before returning it. Also trigger on: /iceberg:score <file-path>, /iceberg:score with pasted text. Natural language triggers: "check my writing", "grade this", "score this", "is this clear?", "review this plan", "how readable is this?", "rate my writing" Returns a structured violation report with grade, per-rule counts, and quoted offenders. Never modifies the document.
How this skill is triggered — by the user, by Claude, or both
Slash command
/iceberg:score [file-path or paste text] [optional: intent description][file-path or paste text] [optional: intent description]This skill is limited to the following tools:
The summary Claude sees in its skill listing — used to decide when to auto-load this skill
Score a document against the 14 Hemingway rules. Read only — never modify the input.
Score a document against the 14 Hemingway rules. Read only — never modify the input.
/iceberg:score <file-path> — read the file, score it, print the report. Resolve relative paths from the current working directory./iceberg:score <file-path> "intent: formal engineering spec" — score with intent context/iceberg:score — user pastes text; score and return the reportThe optional intent argument overrides the inferred profile. Pass one of: "technical", "conversational", or "executive", or a free-form string the scorer maps to the nearest profile.
Skip: code-only responses, shell output, error messages, stack traces, files under vendor/, node_modules/, or dist/, any document under 50 words. If auto-triggered on a document under 50 words, return it unchanged with no comment.
weighted_violations / (word_count / 100)..iceberg/last-score.txt. Skip silently if unwritable.1 — Short sentences [HIGH]: Flag sentences over 25 words. Violation at 30 words — split unconditionally.
2 — Active voice [HIGH]: Flag all passive constructions including agentless ones ("is forwarded", "was configured", "are stored"). Keep passive only when the actor is unknown or irrelevant.
3 — Strong verbs, no adverbs [MEDIUM]: Flag adverbs that mask a weak verb ("quickly scans", "silently marks"). Do NOT flag quantifying adverbs (linearly, approximately) or temporal ones (currently, previously).
4 — No qualifiers or hedges [MEDIUM]: Flag: very, quite, somewhat, rather, fairly, essentially, basically, arguably, maybe, perhaps, appears to, tends to, could potentially, a bit, sort of, kind of. If a word triggers both Rule 3 and Rule 4, count it under Rule 4 only.
5 — Concrete nouns [MEDIUM]: Flag abstract categories. Signal words: solution, approach, initiative, framework, experience, value, requirements, functionality, ecosystem, posture, collaboration, improvement, visibility, scalability.
6 — One idea per sentence [MEDIUM]: Flag compound sentences where both clauses could stand alone (joined by "and", "which", "but", "that"). If a sentence triggers both Rule 1 and Rule 6, count it under Rule 1 only.
7 — Conditions before instructions [LOW]: Flag "do X if Y" — correct form is "if Y, do X". Example violation: "Reduce the burst limit if you observe quota exhaustion."
8 — Lead with the answer [MEDIUM]: Flag when the key conclusion is buried after context sentences. Exception: sections titled Background, Overview, Context, or How it works.
9 — Second person [LOW]: Flag "we recommend", "users should", "one should". Use "you" for instructions; component name for system behavior.
10 — Simple words [LOW]: Flag: utilize→use, facilitate→help, initiate→start, terminate→stop, leverage→use, in order to→to, subsequent to→after, prior to→before, it is worth noting that→(delete).
11 — No negative framing [LOW]: Flag "don't", "do not", "avoid", "never" except for genuine safety warnings or known failure modes.
12 — Short paragraphs [LOW]: Flag paragraphs with more than 4 sentences.
13 — Jargon [MEDIUM]: Flag technical terms a new team member would not know. Do NOT flag universally known abbreviations (HTTP, JSON, YAML, SQL, API, REST, HTML). Flag domain-specific terms (PromQL, etcd, canary rollout, idempotent, TTL in non-general context).
14 — Measure, don't describe [HIGH]: Flag subjective descriptors without a number: fast, large, easy, good, high, low, significant, reasonable, permissive, well, flexible, comprehensive, robust.
ICEBERG SCORE — path/to/doc.md
Assumed intent: conversational onboarding guide
(signals: tutorial-style steps, "you'll learn" phrasing, casual headers)
Objective Intent-adjusted
Grade: C A
Density: 6.2/100w 1.4/100w (target: ≤4.0)
Violations: 18 4 (14 deprioritized for conversational)
Word count: 290w
VIOLATIONS
Rule 1 — Short sentences [HIGH / HIGH] 2 violations
· "The system fetches the config and validates it, which can take up to 500ms." (34w)
· … 1 more
Rule 9 — Second person [LOW / skip] 2 violations ← deprioritized for conversational
· "we recommend configuring…"
· "our team suggests…"
Rule 13 — Jargon [MEDIUM / HIGH] 3 violations ← stricter for conversational readers
· "idempotent" used without definition
· … 2 more
[continue for all 14 rules — format: [objective / intent-adjusted]]
TOP 3 TO FIX (intent-adjusted): jargon (Rule 13), long sentences (Rule 1), passive voice (Rule 2)
Run /iceberg:edit to apply all fixes.
| Grade | Density | Meaning |
|---|---|---|
| A | ≤ 1.0 | Publish-ready |
| B | ≤ 4.0 | Minor cleanup needed |
| C | ≤ 8.0 | Needs work before sharing |
| D | ≤ 15.0 | Significant rewrite required |
| F | > 15.0 | Start over |
The scorer infers intent automatically. Pass an explicit intent to override.
| Rule | Technical (default) | Conversational | Executive |
|---|---|---|---|
| 5 — Concrete nouns | MEDIUM | MEDIUM | HIGH |
| 8 — Lead with answer | MEDIUM | MEDIUM | HIGH |
| 9 — Second person | LOW | skip | LOW |
| 11 — Negative framing | LOW | skip | LOW |
| 12 — Short paragraphs | LOW | skip | HIGH |
| 13 — Jargon | MEDIUM | HIGH | HIGH |
"skip" = violation found and reported but excluded from weighted count.
Spawn the iceberg-score agent with the full document and intent string. Return the agent's output as the final result.
Write a compact one-liner to .iceberg/last-score.txt:
conversational | Obj: C (6.2/100w) | Adj: A (1.4/100w) | Top: jargon, long sentences, passive voice
Create the .iceberg/ directory if it doesn't exist. Skip silently if unwritable.
npx claudepluginhub gagoar/iceberg --plugin icebergFetches up-to-date documentation from Context7 for libraries and frameworks like React, Next.js, Prisma. Use for setup questions, API references, and code examples.
Applies a firm's KYC/AML rules grid to parsed onboarding records: assigns risk rating, checks required documents, outputs rule outcomes with citations, and routes for escalation.
Generates daily or weekly digests of activity from connected sources (chat, email, docs, tasks, CRM), highlighting action items, decisions, mentions, and project updates.