GTNH Claude Skill

A Claude skill that provides queryable access to GregTech: New Horizons data. This skill allows claude to provide accurate information about GTNH based on the installation data of the game itself, most notably the quest data.

The skill is powered by a JVM CLI application that can index and query data from a GTNH installation.

Adding to Claude Desktop

1. Download the latest release zip from the releases page.
2. Open Claude Desktop -> Capabilities -> Skills -> Add
3. Drop the zip file into the window

You can update the skill at any time by re-downloading the zip and replacing the existing one in Claude Desktop.

Features

• Index quest data from any GTNH installation
• Query quest lines and quests via SQL
• Full-text search using SQLite FTS5
• Track quest prerequisites and dependencies

Quick Start

# Build the skill with pre-indexed quest data
./gradlew buildSkill -PgtnhPath="/path/to/GTNH/installation"

# Output: build/release/gtnh-skill/

Example Queries

-- Search quests by keyword
SELECT name FROM quests_fts WHERE quests_fts MATCH 'quantum'

-- Find quests in a specific tier
SELECT q.name FROM quests q
JOIN quest_line_entries e ON q.id = e.quest_id
JOIN quest_lines l ON e.quest_line_id = l.id
WHERE l.name LIKE '%Tier 5%'

-- Get quest prerequisites
SELECT p.name FROM quest_prerequisites qp
JOIN quests q ON qp.quest_id = q.id
JOIN quests p ON qp.prerequisite_quest_id = p.id
WHERE q.name LIKE '%Quantum%'

Database Schema

Table	Description
quest_lines	Quest categories (46 total)
quests	All quests (3,684+)
quest_prerequisites	Quest dependencies
quest_tasks	Task requirements
task_items	Items required by tasks
quest_rewards	Reward definitions
reward_items	Reward item details
quests_fts	Full-text search index

Build

Requires Java 17+.

# Build fat JAR only
./gradlew jar

# Build skill distribution (with optional quest data)
./gradlew buildSkill [-PgtnhPath="/path/to/GTNH"]