Features

Molfar, the agent inside

He is the agent that lives inside, an old Carpathian sorcerer by temper, and he can change the app itself. Every app here is a folder of plain files. Tell Molfar what bothers you or what you'd like to have, and he edits those files; the screen rebuilds a few seconds later.

Most frontends give you settings. Here you can also say "move this button", "add a dice roll", "make the chat read like a book", "show me who knows what about my character". Small fixes and whole new sections go the same way.

Change it by asking

Each change can be undone

Molfar works in git: every run leaves a checkpoint, and one click brings the code back.

He asks before the big stuff

For large or unclear requests Molfar asks first, with options to pick from. Paths you mark as protected need your yes every time.

Your edits survive updates

When a new version of an app comes out, it is merged with what you changed. If they clash, you choose: keep yours, take theirs, or let Molfar merge them.

Apps can call him too

The Roleplay app has an "Ask Molfar" button that opens him with your request already typed. Nothing is sent until you press Send.

It works with small models

Free models with a 32k window get a lighter prompt automatically, so Molfar still fits.

Make Molfar your own

Skills

A skill is a short instruction for one kind of task: "how I like my character cards", "how lorebooks for this world are written". Write your own, or let Molfar propose one after a task went well; nothing is saved until you say yes.

Projects

Keep your chats with Molfar in projects. A project has its own instructions, skills, memory, files you add (notes, references, images) and a default model, so a chat started there already knows the context. Every installed app is a project too.

Memory

Molfar keeps notes about you and your work between chats, and asks you before writing each one.

The Roleplay app

Roleplay is the first app. The welcome screen offers it on the first start, and new versions come through the Updates button.

Roleplay home screen with the last story and start options

HomeContinue the last story, start a new one, find a chat by persona or character.

A chat with a character, styled like a book page

ChatsReads like a book page. Swipes, branches, group scenes, edit and regenerate on any message.

Relationship dashboard showing trust, mood and story threads

Relationship dashboardAfter each reply it notes what changed: trust, mood, who learned what, where and when the scene is, which story threads are open. The characters get that back before they answer.

SoulEach character has a temper: how fast they warm up, what hurts them, where their attitude starts. A draft is made from the card; you adjust it.

Story memoryLitopys writes a short chapter after each scene and keeps the facts: who it is about, who knows it, how much it matters. Old messages leave the prompt and the chapters stay, so a long chat still fits a small model's window. In the Library you can read and fix all of it.

Molfar next to the appSplit the screen: Molfar on one side, the app on the other, changes appear as he makes them.

A card in fieldsThe Profile tab splits a character into sections: identity, appearance, personality, behavior, goals, background, relationships and more. Switch off what you don't need, so a small model pays only for what is on. "Structure it" sorts an old card's text into the fields, "Fill empty" asks the model for the blanks, "Read from picture" fills appearance from the portrait. The card still saves as plain text, so every other app reads it.

Your persona, the same wayPersonas get the same fields, plus five short questions that write the description for you. "Structure it" sorts a pasted persona into the fields.

The Prompt board: every part of a chat's request with its tokens

The Prompt boardCanvas shows every part of a chat's request in order, with its tokens and the total. Switch any part off for this chat only, see why something was taken or left out, and trim the history: the last N messages, only yours or only the character's, without thinking blocks. A part you switch off costs nothing: Litopys, the dashboard or a lorebook then does no work for that chat.

The Chat links board with chats as cards and a list on the left

A map of your storiesChats that continue each other are cards joined by wires. Drag chats in from a searchable list, one at a time or with their whole chain; a chat that continues another gets the earlier story as backstory.

Quick movesUnder a long draft: Continue, Write for me (Undo brings your draft back), Another reply, and a big editor for half the screen or all of it.

The launcherYour installed apps in one place.

There is more in the small details: "Story, move" makes the next reply push the plot instead of just reacting to you; lorebooks match by keywords or by meaning; presets, regex scripts, personas, a data bank for long documents.

On a phone

The same thing on a phone: open it from your computer over Wi-Fi, or install the Android app and run everything on the phone.

ChatA chat on a phone.

MolfarMolfar on a phone.

Yours, at home

Runs locally

Windows, macOS, Linux, Android, or Docker on a home server. Chats, characters and keys stay in plain files on your disk.

Any model

API keys from the big providers and OpenRouter, subscription sign-ins, or any OpenAI-compatible server, including one on your own machine.

Apps are sandboxed

An app from someone else shows what it wants before install (engine access, network, packages), and an update that wants more stops and asks again.

14 interface languages

Ukrainian among them.

Free software

AGPL-3.0. Molfar Vertep began as a fork of Chrysalis Engine by ProjectChrysalis and has gone its own way since.

Sync through your own Google Drive

New in 1.1.0. Your device talks to Google directly, and the app can see only the files it made. See the privacy policy.

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