iceberg grades every plan Claude writes against 14 Hemingway rules, and rewrites any document to an A on request.
/plugin marketplace add gagoar/iceberg /plugin install iceberg@iceberg /reload-plugins
Toggle the same paragraph before and after /iceberg:edit. Each highlight is a rule violation.
Passive voice, filler adverbs, hedges, and abstract nouns. Eleven flags in one sentence.
After install, every plan Claude generates is scored before it reaches you. The report sits at the top of the response. If you want the rewrite, run /iceberg:edit.
ICEBERG SCORE deployment-guide.md Assumed intent: technical spec Grade: C Violations: 18 Words: 290 Rule 1 Short sentences HIGH 2 "The system fetches the config and validates it, which can take up to 500ms depending on..." (34w) Rule 2 Active voice HIGH 3 "The config is loaded by the server" TOP 3: passive voice, long sentences, vague descriptors Run /iceberg:edit to apply all fixes.
Every violation is quoted in the report. Code blocks, inline code, URLs, and proper nouns are never touched.
Eval documents where Haiku and Sonnet gave the same grade. No high-severity rule was missed.
/iceberg:score reads and grades. /iceberg:edit rewrites. Documents over 500 words run in a subagent.
Open source. Fixtures and model comparison results live in examples/eval/.
/plugin marketplace add gagoar/iceberg /plugin install iceberg@iceberg /reload-plugins