localize

A workflow for applying one content change across a project's language files. Localization files store translated text for different languages and platforms.

In plain words
What is it for?
Use it when adding, changing, or removing text across files such as locales/*.json, i18n code, PHP language files, or Apple .strings files.
Why use it?
It prevents the same change from being missed in some translations or copied inconsistently between files. It preserves unchanged content and structure while updating the changed parts.

Skill for Claude CodeCodex

Part of the lifedever plugin — 15 skills shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/lifedever/skills-plugin/localize
Any agent
npx skills add lifedever/skills-plugin --skill localize
Clone the repo
git clone --depth 1 https://github.com/lifedever/skills-plugin

Made for: Claude Code, Codex.

Or install lifedever, the plugin that ships this one along with the rest of its 15 skills.

Per session 60 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 445 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00060 $0.00445
Opus 5 $0.00030 $0.00222
Sonnet 5 $0.00012 $0.00089
Haiku 4.5 $0.00006 $0.00044

Measured 3d ago against content hash 105cf9701ed3, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

localize scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/localize/SKILL.md · 58 lines

What it actually says

Localize — Batch Multi-Language Update

Propagate a single content change across every language file in the project, using parallel agents to speed things up.

Workflow

1. Identify Language Files

Scan the project for localization files. Common patterns:

  • locales/*.json / locales/*.yml
  • i18n/*.ts / i18n/*.js
  • lang/*.php
  • *.lproj/*.strings (macOS / iOS)
  • Or a path the user specifies

List every language file found and ask the user to confirm.

2. Understand the Change

Read the baseline language file (usually Chinese or English) to understand the change:

  • Added keys and copy
  • Modified copy
  • Removed keys

Show the user a change summary and continue after confirmation.

3. Update All Languages in Parallel

Spawn one agent per language file, running concurrently. Each agent must:

  • Preserve the existing structure and unchanged translations of that language file
  • Translate the changed content (new / modified copy)
  • Remove the deleted keys
  • For new content that can't be translated accurately, fall back to the baseline copy with a comment marker

Important: each agent must verify that the file's original structure is fully preserved — no unchanged content can be lost.

4. Recap and Confirm

After every agent finishes:

  1. Show a change summary table (number of edits per language)
  2. If the project has lint / build commands, run them
  3. Wait for user confirmation before committing

Notes

  • Don't assume the language file format — read it first to confirm
  • Preserve each file's original key ordering
  • If one language file's format differs from the others, handle it individually rather than templating across the board
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 58 lines · 60 tokens per session scan A 105cf9701ed3

Subscribe to this mod's changes

localize is a skill published in the GitHub repository lifedever/skills-plugin (11 stars, last pushed 11d ago), licensed MIT. It adds 60 tokens to every session and 445 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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