A TypeScript utilities package for creating tabletop rpg data assets.

Ttrpg Rathgar Gold theme for Quartz

Plug-and-play React component for rolling polyhedral TTRPG dice with WebGPU physics

Data for the LANCER TTRPG

TTRPG Initiative Tracker for Obsidian.md

Chartdown parser and AST — a plain-text, Markdown-inspired language for TTRPG maps. Runtime-dependency-free by rule (ADR 0007).

Chartdown MCP server — check, render, and spec tools so AI agents can draft, validate, and visually verify plain-text TTRPG maps.

Renders TTRPG Tools: Maps data (zoommap code blocks + .markers.json) as interactive read-only maps in Quartz v5.

Chartdown SVG renderer — deterministic, seeded, themeable rendering of plain-text TTRPG maps. Runtime-dependency-free beyond @chartdown/core (ADR 0007).

API for generating random dice rolls, NPCs, towns, names, etc. for TTRPG campaigns.

AoE template math for TTRPG digital tools. Cones, lines, circles, cubes — square grid + hex grid implementations. Pure functions, zero dependencies. Pairs with @ttrpg/grid.

RAW Lancer TTRPG engine. Substrate-driven combat math, action economy, NPC composition, mech building, content registry. Pure TypeScript. The open library for building Lancer tools.

Dice notation parser and roller for TTRPG digital tools. d20, dice pools, exploding, keep/drop, advantage, fudge — everything you need, nothing you don't.

Probability analysis for dice expressions. Distribution, mean, percentiles, chance-of-N+. Built on @ttrpg/dice notation. Monte Carlo + exact-for-simple-cases.

Grid math for TTRPG digital tools. Square (Chebyshev/Manhattan/Euclidean/alternating) and hex (axial + offset coordinates). Distance, neighbors, lines, rings, discs. Zero dependencies.

TTRPG utilities

Card-deck primitives for TTRPG digital tools. Decks, draws, shuffles, discards, cuts. Seedable RNG. Standard 52-card + tarot generators included. Game-agnostic and zero dependencies.

Unified meter / track / gauge primitive for TTRPG digital tools. The one shape behind HP, stamina, stress, mana, fate points, sanity, friendship hearts, segment clocks, debt — any bounded counter with min/max, optional refresh, and threshold detection. Ze

COMP/CON data for 'Dustgrave', a campaign for the LANCER TTRPG

Collection of my TTRPG apps and widgets