SillyTavern
SillyTavern is a app in the osFoundry community catalog. Power-user LLM front-end for character roleplay and interactive storytelling. Multi-character group chats, persistent world info / lorebook injections, response swiping + branching, prompt template editor, regex extensions, and connection adapters for OpenAI / Anthropic / Cohere / OpenRouter / KoboldAI / Ollama / tabbyAPI / TextGen WebUI. The serious choice for hobbyist roleplay + agentic experimentation beyond basic chat UIs.
Details
- Workspace: osfoundry
- Category: AI
- Pricing: Free
- Access: Community
Features
- Character cards — drag-drop PNGs with embedded persona JSON from chub.ai / characterhub.org
- Multi-character group chats with turn order, narrator, group dynamics
- Lorebook / World Info — keyword-triggered context injections for consistent worldbuilding
- Connects to OpenAI / Anthropic / Cohere / OpenRouter / KoboldCpp / Ollama / TabbyAPI
- Response swiping + branching — re-roll any reply without losing the original
- Extensions: vector long-term memory, TTS, STT, per-message Stable Diffusion image gen
Documentation
# SillyTavern
## First-boot
Go to the **API Connections** tab (the plug icon in the top bar). Pick a connection type:
- **Chat Completion** — OpenAI / Anthropic / Cohere / MistralAI / OpenRouter
- **Text Completion** — KoboldCpp / Ollama / TabbyAPI / TextGenWebUI / Aphrodite
Paste your API key, hit **Connect**. Pick a model from the dropdown.
## Characters
Download character cards (PNG files with embedded JSON) from [chub.ai](https://chub.ai) or [characterhub.org](https://characterhub.org). Drag onto the SillyTavern window or upload via the Characters tab. Each character has: name, description, scenario, first message, example dialogue, personality.
## Group chats
Multiple characters in one conversation. Set turn order, group dynamics, narrator character. Useful for tabletop / DM-style RP.
## Lorebook + World Info
Define entries that auto-inject into context when keywords appear. Build entire worlds with consistent NPCs, locations, factions.
## Advanced
- **Extensions** — Vector storage (long-term memory), TTS (ElevenLabs / Silero), STT, automatic image generation (per-message Stable Diffusion).
- **Regex** — Find/replace on every model output.
- **Prompt Manager** — Reorder system prompts, persona, world info, scenario.
## Auth
Set `SILLYTAVERN_PASSWORD` (and `SILLYTAVERN_USERNAME`) — without them, the public URL is open.
How to use SillyTavern in osFoundry
Install SillyTavern into your workspace in one click, then fork it in osStudio to customise the prompts, tools, or configuration for your stack. Anyone in your workspace can pick up where you left off.
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