日本語(JA) Claude Code、Planモードであっても書き換えはできるよなぁってずっと思ってたけどホンマに書き換えてきたな…。何故なら書き換えるかどうかを制御する方法はないから（コマンド叩けばヒストリが溜まるので何かは書き換えている） # ai

Claude Code's Plan mode can rewrite code due to lack of user control

By PulseAugur Editorial · [1 sources] · 2026-11-13 10:36

A user on Mastodon observed that Anthropic's Claude Code, even when operating in its "Plan" mode, can modify code. This modification occurs because there is no user-controlled method to prevent it, as executing commands inevitably logs history and triggers some form of code alteration. AI

IMPACT This observation highlights a potential limitation in user control over AI code modification tools, which could impact developer workflows.

RANK_REASON User observation about a product feature's behavior.

Read on Mastodon — fosstodon.org →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Claude Code's Plan mode can rewrite code due to lack of user control

How we ranked this

Signal score: 3 / 100; Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket: Commentary; User observation about a product feature's behavior.
Source corroboration: Single-source cluster; Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics: product, other; Editorial topic classification. Feeds into how the story surfaces on /topic/<slug> hub pages and into the per-entity coverage mix.
AI-industry relevance: High; Clearly on-topic for AI-industry coverage.
Story freshness: Breaking (< 6h); Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

Mastodon — fosstodon.org TIER_1 日本語(JA) · [email protected] · 2026-11-13 10:36

I had always thought that Claude Code could be rewritten even in Plan mode, but it really has rewritten it... This is because there is no way to control whether to rewrite or not (if you hit a command, history builds up, so something is rewritten) # ai

Claude Code、Planモードであっても書き換えはできるよなぁってずっと思ってたけどホンマに書き換えてきたな…。何故なら書き換えるかどうかを制御する方法はないから（コマンド叩けばヒストリが溜まるので何かは書き換えている） # ai

How we ranked this

COVERAGE [1]

I had always thought that Claude Code could be rewritten even in Plan mode, but it really has rewritten it... This is because there is no way to control whether to rewrite or not (if you hit a command, history builds up, so something is rewritten) # ai

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