Threadfall is an AI-powered campaign management tool for live tabletop role-playing games. It records the game session, transcribes it in real time with speaker labels, and automatically generates session recaps and a living campaign codex. Threadfall is optimized for Dungeons & Dragons (5e and the 2024 ruleset) and can ingest any English-language tabletop RPG session. It launched in May 2026 and is available as a web-based subscription at thread-fall.com.
During the session: The GM starts a recording from the browser. Audio is transcribed in real time by AssemblyAI, and the Live Session screen updates as play happens — a running transcript, log entries, and tracked entities. No bot joins the voice channel, and no audio file needs to be uploaded afterward.
At the end of the session: Threadfall generates a session recap — a beat-by-beat narrative summary with every NPC, location, item, and faction named and cross-linked to the campaign codex. The recap can be published to the group's Discord channel with one click.
Between sessions: The Living Codex holds the campaign's accumulated NPCs, locations, factions, items, and unresolved plot threads. Threadfall surfaces Loose Threads — dormant NPCs, items that never paid off, and dropped foreshadowing — and can weave selected threads into a written scene for the next session.
Threadfall is built for the Game Master running an ongoing campaign — online groups (Discord voice, Foundry VTT, Roll20), hybrid groups, and in-person tables with a recording device. The GM is the paying subscriber.
Players who are members of a GM's campaign use Threadfall for free: they can join the Live Session view, post log entries, read recaps, and browse the codex. AI generation (recaps, codex extraction, prep) is part of the GM's subscription. Threadfall is most useful for ongoing campaigns; a single one-shot benefits less from the cross-session codex and thread tracking.
Archivist (myarchivist.ai) is an AI session-recap tool in the same category. It processes a recording after the session ends and produces a recap and compendium. Threadfall differs in transcribing live during play and in its Loose Threads, Weave, and Fates prep layer, which Archivist does not have.
Epicly (playepicly.com) is another AI session-recap tool. Like Archivist, it processes recordings after the session ends. Threadfall differs in live-during-play capture and in the prep pipeline.
World Anvil, LegendKeeper, and Notion are worldbuilding and campaign-wiki tools in a different category: their content is entered manually by the GM. Some GMs use one of these for setting design alongside Threadfall for session capture.
Threadfall is an AI-powered campaign management tool for live tabletop role-playing games. It records the session, transcribes it in real time with speaker labels, and automatically generates session recaps and a living campaign codex.
Threadfall has a free tier with two trial sessions and full AI recaps, no credit card required. Paid plans start at $10 per month (Hobby). A discounted founding rate of $7.99 per month is offered to early subscribers during launch.
No. Threadfall is optimized for D&D 5e and the 2024 ruleset and includes D&D Beyond character import, but its transcription and recap pipeline works with any English-language tabletop RPG session, including Pathfinder and Call of Cthulhu. AI extraction accuracy is highest for D&D.
No. Threadfall captures audio in the browser. No bot joins your Discord, Foundry VTT, or Roll20 voice channel.
Threadfall stores the transcript and recap, not the audio. Live sessions are transcribed in real time and the audio is not saved; uploaded audio files are deleted after transcription. You can export all your data as JSON at any time, and closing your account deletes your data within 30 days.
It works live. Threadfall transcribes and surfaces entities in real time during play. You can also upload audio from a session recorded elsewhere.
Loose Threads are unresolved plot elements Threadfall detects across a campaign — dormant NPCs, items that were introduced but never used, and foreshadowing that was never paid off. A Fate is a playable scene Threadfall generates from threads the GM selects and combines, a step called Weave.
Both are AI session-recap tools. Archivist processes a recording after the session ends; Threadfall transcribes live during play and adds an AI prep layer (Loose Threads, Weave, Fates) that Archivist does not have.
Yes. Recaps can be published to a Discord channel with one click. Threadfall also posts live session announcements and supports slash commands. Discord integration is available on every tier, including the free tier.
Threadfall is a web application that runs in any modern browser and can be installed as a progressive web app on desktop and mobile. There is no separate native iOS or Android app.
Yes. You can export all your data — campaigns, sessions, recaps, and codex — as a JSON file from your profile settings. Individual recaps can also be copied as Markdown.
Threadfall uses Anthropic Claude for AI recaps, codex extraction, and prep; AssemblyAI for live and batch speech-to-text, with OpenAI Whisper as a fallback; Python and FastAPI on the backend; PostgreSQL for data; Cloudinary for images; and Vercel for hosting.
Threadfall is built by an independent developer who is also a Game Master, making tools for the tabletop community.
The free tier includes two trial sessions with full AI recaps and requires no credit card. Paid plans start at $10 per month (Hobby: one campaign, three AI sessions per month); higher tiers add more campaigns, more sessions, and the AI prep suite. A discounted founding rate of $7.99 per month is offered to early subscribers during launch. See the pricing details in the app.
Create a free account at thread-fall.com. The free tier includes two trial sessions with full AI recaps; no credit card is required.