AI game masters and tabletop RPG tools (2026)
AI game masters, narrators and map makers for D&D-style tabletop RPGs and story adventures, solo or with a group. Here are all 7 from the AgentScout directory.
Updated
How we picked and ranked: tools are matched by category, the pricing each maker states and what each tool says it does. They are ranked by GitHub stars as recorded on each listing (link checks 2026-10-21); tools without a tracked repo follow, by listing maturity. No paid placements.

1. Open Dungeon Master
Free multiplayer D&D 5e app with app-enforced rules, where an AI or human runs the table using a local model, API key or CLI agent.
Pricing (as stated): Open source · Active

2. AI Dungeon
gamesFreemiumText adventure game where an AI narrator responds to anything you type, with community-made worlds and multiplayer.
Pricing (as stated): Freemium · Active

3. Dungeon Alchemist
gamesPaidAI-assisted map maker that builds detailed 3D battle maps for tabletop RPGs, for play on screen or printed.
Pricing (as stated): Paid · Active

4. Friends & Fables
gamesFreemiumAI game master for tabletop-style RPGs that plays with groups on Discord and the web, tracking characters, rules and world lore.
Pricing (as stated): Freemium · Active

5. Hidden Door
gamesFreemiumNarrative game platform where an AI game master runs story adventures set in licensed and original worlds.
Pricing (as stated): Free play; Creator $9.99/mo · Active

6. Lorekeeper
gamesFreemiumVoiced AI game master that narrates tabletop RPG adventures aloud, rolls dice and keeps a running campaign for solo or group play.
Pricing (as stated): Freemium · Active

7. Questwright
gamesSee siteAI dungeon master for tabletop RPGs that runs D&D 5e campaigns with dice, combat, battle maps and NPC memory, solo or with friends.
Pricing (as stated): See site · Active
FAQ
What are the best AI game masters?
Ranked by tracked GitHub stars, the top AI game masters in our directory are Open Dungeon Master, AI Dungeon, Dungeon Alchemist, Friends & Fables, Hidden Door. Stars measure popularity, not fit, so compare a few against your own task.
How many AI game masters does AgentScout list?
7 tools match. This page shows the top 7. Pricing mix on this page: Freemium (4), Open source (1), Paid (1), See site (1).
How much do these tools cost?
Pricing is what each maker states on their site. Open-source tools are free to self-host but may need a paid model API key or offer paid cloud plans; freemium tools have a free plan with limits. Check each official site.
Related: games (7)
All popular searches · AI agents by role · Free tools
Best-of lists: All best lists
Related categories: Games
Facts come from our directory listings; pricing is as each maker states it and can change. Check official sites before you choose.