MessageDisplay hook

Assess

Techniques

A Claude hook that intercepts and modifies text shown to the user.

Why it's here

Placed in Assess: 1 article(s) of evidence from 1 source(s), led by open-source activity, with 1 in the last 30 days. Confidence 24%. Low accumulated evidence, so it defaults conservatively pending more signal.

Evidence (1)

3Hacker News·7/14/2026open_source
Claude Hook to Rewrite Repetitive Phrases
The post shows how to use Claude's MessageDisplay hook to automatically replace recurring phrases in Claude's output with custom alternatives. It includes a Python script and settings configuration to intercept displayed text and rewrite selected vocabulary at startup.