Skill

jlcpcb-component-finder-update-db

Downloads and updates ~11GB JLCPCB/LCSC electronic components SQLite database via Bash script for jlcpcb-component-finder skill. Use when DB missing or outdated.

Bash

SQLite

cli-tools

database

npx claudepluginhub takazudo/claude-resources

Tool Access

This skill is limited to using the following tools:

Bash

Preview

> **DO NOT auto-invoke this skill.** This downloads ~11 GB of data. Always ask for user confirmation before proceeding.

Supporting Assets

scripts/update-db.sh

SKILL.md

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Last CommitApr 5, 2026

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JLCPCB Database Updater

Download or update the JLCPCB parts database (~11 GB, ~7 million components).

Prerequisites

curl - for downloading files

7z (p7zip) - for extracting split-zip archives. Install: brew install p7zip

Update Script

Run the automated update script:

bash $HOME/.claude/skills/jlcpcb-component-finder-update-db/scripts/update-db.sh

This script will:

Check prerequisites (curl, 7z)

Discover and download split-zip files from https://yaqwsx.github.io/jlcparts/data/

Extract cache.sqlite3 using 7z

Back up existing database (if any) to cache.sqlite3.bak

Install new database to $HOME/.jlcpcb-db/cache.sqlite3

Clean up temporary files

Important Notes

Download size: ~3-4 GB compressed, ~11 GB extracted

Download time: Depends on connection speed (may take 30+ minutes)

Disk space needed: ~15 GB free (compressed + extracted during install)

The old database is backed up as cache.sqlite3.bak before replacement

If the download fails partway, re-run the script - it cleans up partial downloads

Data Source

Database from JLC Parts by Jan Mrazek. Updated periodically from JLCPCB/LCSC component data.

Verify After Update

node $HOME/.claude/skills/jlcpcb-component-finder/query.js db-info

Manual Update (Alternative)

If the script doesn't work, download manually:

Visit https://yaqwsx.github.io/jlcparts/

Download all cache.z* and cache.zip files

Extract: 7z x cache.zip

Move: mv cache.sqlite3 $HOME/.jlcpcb-db/

DO NOT auto-invoke this skill. This downloads ~11 GB of data. Always ask for user confirmation before proceeding.