Matt Pocock on Engineering

Appears that a big chunk of Claude Code's source code has been exposed on npm via a .map file accidentally uploaded to the public registry. ~512K lines of code ~1,900 files HugOps to the Anthropic team, this is brutal t.co

2.4K likes150 repliesPosted Mar 31, 2026

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Viral score

Based on absolute engagement — the platform doesn’t expose follower counts here, so large accounts score higher.

From likes, comments.

Why it worked

Uses concrete numbers instead of vague claims, which makes it credible and quotable.
Points at real customers, users or results as evidence rather than assertion.
Uses short lines and white space, which makes a long post feel quick to read.
Follows a clear Hook → Context → Context → Landing shape, so the reader always knows where they are.
Ends on a short line that is easy to quote and repeat.
Short enough to read in full without expanding, which removes a step before the point lands.

The mechanics

Hook: Plain observation
Structure: Hook → Context → Context → Landing
Style: Short lines with heavy white space, built to be scanned.
Tone: concrete, punchy
Mechanisms: Specificity, Social proof
Written for: Engineers and technical teams

Analysis by ViralLoop — not written by the original author.

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