Personas and templates give you a fast way to set the tone and role of your AI before a conversation begins. Instead of typing out a system prompt every time, you pick a template once and LMSA sends it automatically with every message. LMSA ships with a library of built-in personas and lets you create your own — including full support for the Character Card V2 format used in roleplay communities.Documentation Index
Fetch the complete documentation index at: https://docs.lmsa.app/llms.txt
Use this file to discover all available pages before exploring further.
Built-in personas
LMSA includes the following personas out of the box, each pre-written to steer the model toward a specific style or task:| Persona | What it does |
|---|---|
| Math Tutor | Solves problems step-by-step, explains formulas, and gently corrects mistakes |
| Code Assistant | Writes clean, commented code and debugs existing snippets |
| Story Writer | Crafts immersive narratives with strong character development |
| Fortune Teller | Provides ethereal, enigmatic readings on the future and luck |
| The Joker | Delivers jokes, dad humor, and playful banter |
| General Tutor | Explains complex topics in simple language using analogies |
| Social Media Writer | Creates catchy captions optimized for specific platforms |
| Travel Planner | Builds detailed day-by-day itineraries with practical tips |
| Career Coach | Reviews resumes, drafts cover letters, and runs mock interviews |
| Email Polisher | Rewrites drafts to be clear, concise, and professional |
| Sous Chef | Suggests recipes from your available ingredients with clear steps |
| Debate Partner | Plays Devil’s Advocate to stress-test your arguments |
| Blog Post Writer | Creates SEO-optimized long-form content with a clear structure |
| Tech Support | Provides methodical troubleshooting for technical problems |
| Fitness Coach | Builds personalized workout routines and nutrition advice |
| Summarizer | Produces concise, structured summaries of any text or documents |
Custom templates
You can create your own templates with a custom name, system prompt, and avatar image.Fill in the details
Enter a name for your template and write your system prompt in the text area. You can also set a custom avatar.
Creating custom templates requires LMSA Premium.
AI-generated system prompts
If you are not sure how to phrase your system prompt, tap Generate with AI inside the template editor. Describe what you want the persona to do in plain language and LMSA asks your connected model to write a complete system prompt for you.AI-powered system prompt generation requires LMSA Premium.
Character Card V2
Character Card V2 is an industry-standard format for roleplay personas. It stores a character’s name, personality, scenario, opening message, and example dialogue in a structured JSON object. LMSA reads this format natively.Supported fields
| Field | Description |
|---|---|
name | The character’s display name |
personality | A description of the character’s traits and voice |
scenario | The setting or context for the roleplay |
first_mes | The character’s opening message that appears at the start of the chat |
mes_example | Example dialogue that shows how the character talks |
Importing a character card
LMSA accepts two import formats:- JSON file
- PNG with embedded card
Tap Import in the Templates screen and select a
.json file exported from any Character Card V2–compatible tool.Creating a character card in LMSA
Switch to Character Card V2 mode
Tap the mode selector at the top of the editor and choose Character Card V2.
Fill in the character fields
Enter values for name, personality, scenario, first message, and example dialogue.
Generate with AI (optional)
Tap Generate with AI to let the model fill in a complete, coherent character card from a short description. (Premium)