elias/claude-code-system-prompts
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Show the date of the latest version

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bl-ue 2025-11-19 10:31:07 -07:00
parent 2787f1d6a3
commit 5b1a479351
2 changed files with 46 additions and 5 deletions
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2
README.md
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@ -1,6 +1,6 @@
# Claude Code System Prompts
This repository contains an up-to-date list of all Claude Code's various system prompts and their associated token counts as of 2.0.43.
This repository contains an up-to-date list of all Claude Code's various system prompts and their associated token counts as of **[Claude Code v2.0.43](https://www.npmjs.com/package/@anthropic-ai/claude-code/v/2.0.43) (November 17th, 2025).**
Why multiple "system prompts?"

49
scripts/updatePrompts.js
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@ -52,6 +52,41 @@ async function countTokens(text) {
return data.input_tokens;
}
/**
* Fetch release date from npm for a specific version
*/
async function getNpmReleaseDate(version) {
try {
const response = await fetch('https://registry.npmjs.org/@anthropic-ai/claude-code');
if (!response.ok) {
console.warn(`Warning: Could not fetch npm package data`);
return null;
}
const data = await response.json();
const timestamp = data.time && data.time[version];
if (!timestamp) {
console.warn(`Warning: No release date found for v${version}`);
return null;
}
// Parse the date and format it nicely
const date = new Date(timestamp);
return date.toLocaleDateString('en-US', {
month: 'long',
day: 'numeric',
year: 'numeric'
}).replace(/(\d+)/, (match) => {
// Add ordinal suffix (1st, 2nd, 3rd, etc.)
const n = parseInt(match);
const s = ['th', 'st', 'nd', 'rd'];
const v = n % 100;
return n + (s[(v - 20) % 10] || s[v] || s[0]);
});
} catch (err) {
console.warn(`Warning: Error fetching npm release date: ${err.message}`);
return null;
}
}
/**
* Batch count tokens for multiple prompts with rate limiting
*/
@ -353,9 +388,13 @@ async function updateFromJSON(jsonPath) {
});
}
// Fetch npm release date
console.log('\x1b[34mFetching npm release date...\x1b[0m');
const releaseDate = await getNpmReleaseDate(jsonData.version);
// Update README
console.log('\x1b[34mUpdating README.md...\x1b[0m');
updateReadme(promptsByFilename, jsonData.version);
updateReadme(promptsByFilename, jsonData.version, releaseDate);
console.log('\x1b[32;1mUpdate complete!\x1b[0m');
console.log(` New: \x1b[1m${newPrompts.size}\x1b[0m`);
@ -366,12 +405,14 @@ async function updateFromJSON(jsonPath) {
/**
* Update README.md with new prompt information
*/
function updateReadme(promptsByFilename, version) {
function updateReadme(promptsByFilename, version, releaseDate) {
let readme = readFileSync(README_PATH, 'utf-8');
const lines = readme.split('\n');
// Update version in header
lines[2] = `This repository contains an up-to-date list of all Claude Code's various system prompts and their associated token counts as of ${version}.`;
// Update version in header with npm link and date
const npmUrl = `https://www.npmjs.com/package/@anthropic-ai/claude-code/v/${version}`;
const dateStr = releaseDate ? ` (${releaseDate})` : '';
lines[2] = `This repository contains an up-to-date list of all Claude Code's various system prompts and their associated token counts as of **[Claude Code v${version}](${npmUrl})${dateStr}.**`;
// Organize prompts by category
const categories = {