GPTavern
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Last reviewed
May 11, 2026
Sources
9 citations
Review status
Source-backed
Revision
v4 · 2,912 words
Add missing citations, update stale details, or suggest a clearer explanation.
| GPTavern | |
|---|---|
 | |
| Information | |
| Name | GPTavern |
| Platform | ChatGPT |
| Store | GPT Store |
| Model | GPT-4 |
| Category | Lifestyle |
| Description | Welcome to the GP-Tavern. A tavern of AI agents for every need. Meet the local townsfolk now. Come on in, the fire is warm v1.0. Made by MindGoblinStudios |
| Developer | Mind Goblin Studios (Nick Dobos) |
| OpenAI URL | https://chat.openai.com/g/g-MC9SBC3XF-gptavern |
| Website | gptavern.mindgoblinstudios.com |
| Chats | 0 |
| Free | Yes |
| Available | Yes |
| Working | Yes |
| Updated | 2024-01-14 |
GPTavern is a Custom GPT for ChatGPT in the GPT Store. It is the central hub of an interconnected family of seventeen custom GPTs built by Mind Goblin Studios, an independent project run by developer Nick Dobos. The tavern itself is roleplay framing: a fantasy barkeep welcomes the visitor, tells short tales, and gets interrupted by other GPTs (called "patrons") who handle specific tasks like coding, image editing, planning, meditation, or tarot. When the user is unsure what they need, the barkeep pours a "pint" which runs a small piece of code to pick a random patron, share a link to that GPT, and suggest a few conversation starters.
GPTavern launched shortly after OpenAI opened the GPT Store in January 2024 and became one of the earliest examples of a creator using the store as a directory rather than a single product. Instead of building one larger assistant, Mind Goblin Studios published many narrow tools and used GPTavern as the front door that routes users to whichever one fits their request.
The tavern metaphor does real work in the design. Each Mind Goblin Studios GPT has its own ChatGPT URL, its own system prompt, and its own specialty. GPTavern itself does not try to be a generalist. It greets the user, asks what they need, and either tells a short magical story or hands the conversation off to a more specialized patron. The system prompt instructs the GPT to act as "a fantasy barkeep telling magical tales and introducing tavern members, routing user's needs requests and questions to the most appropriate patron."
The approach predates ChatGPT's later support for cross-GPT mentions and shared memory. In early 2024 a custom GPT could only point users elsewhere with a link, so GPTavern leaned into that limitation by treating each patron as a separate character living in the same imaginary building. The result is closer to an adventure game NPC menu than a typical chatbot. The tone is friendly and slightly whimsical, with seasonal greetings and a recurring "the fire is warm" line that doubles as a tagline on the project website.
A second feature, the "pint protocol," gives the GPT a deterministic fallback when the user looks confused or jokes about being drunk. The barkeep then drops into Code Interpreter, lists the patrons, picks one at random, and prints a small code block containing the patron's link and two or three drunken conversation starters. It is a self contained way to surface the rest of the catalog without forcing the user to read a full menu up front.
GPTavern groups its patrons by purpose. The roster below reflects the system prompt that ships inside the GPT and the public list on the Mind Goblin Studios site.
| Patron | Role | Category |
|---|---|---|
| Grimoire | Coding wizard. Build websites or apps from a single sentence | Coding |
| Researchoor | CoPilot for learning and research | Learning |
| GPT Shop Keeper | Unofficial GPT store search, curated by Mind Goblin Studios | Shop |
| Cauldron | Image mixer and editor that blends images using code | Art |
| Gif-PT | Makes animated GIFs using DALL-E and code interpreter | Art |
| Exec f(x)n | Executive function helper. Plans tasks step by step and reduces starting friction | Cognitive |
| Emotion Shaman | Internal awareness and emotional check ins | Cognitive |
| Soothe Sayer | Anxiety sanity check | Cognitive |
| Fortune Teller | Draws a card and reveals your fate | Fun |
| Evolution Chamber | Mutate custom GPTs by building actions. OpenAPI schema generator | GPT building |
| Spellbook | Hotkey Pandora's Box. Generates random ChatGPT hotkeys | GPT building |
| Carrier Pigeon | GPTs inbox. Send messages between GPTs | GPT building |
| Tricycle | Bicycle for the mind 2.0. Memory, internal monologue, learning loops | Agents |
| Agi.zip | SQL based task manager and automatic GPT with portable long term memory | Agents |
| BabyAGI.txt | Step by step task manager that saves memory to a text file. Inspired by BabyAGI | Agents |
| BabyAGI.sql | Step by step task manager that saves memory to a SQL file | Agents |
| Meditation | Guided meditation | Psychonaut |
| Hypnotist | Hypnosis themed conversations | Psychonaut |
| Walking Meditation | Meditation while walking | Psychonaut |
| Perpetual Stew | Cooking for lazy people | Cooking |
Not every patron is meant to be useful in the productivity sense. Some, like Perpetual Stew or Fortune Teller, exist to keep the tavern feeling lived in. Others, like the BabyAGI pair and Tricycle, are research toys that test how far you can push a single custom GPT toward autonomous behavior using files for memory and hotkeys for control. Grimoire, the coding patron, is by far the most popular member and has been featured in OpenAI's own blog and across coding tutorials.
When the user opens GPTavern, the GPT opens with a stylized seasonal greeting ("Greetings Traveler" plus a short flourish), then starts a magical tale. Throughout the story it interrupts itself to introduce a patron whose specialty matches whatever the user is hinting at. If the user asks for help building a site, Grimoire pushes through the door. If they want a card reading, Fortune Teller appears. The system prompt requires that every patron mention include a clickable link to that patron's GPT.
This routing is deliberately not a tool call. GPTavern cannot directly invoke another GPT, because ChatGPT did not support that in early 2024. Instead, the user is expected to click the link, which opens the other GPT in a fresh conversation. Mind Goblin Studios called this pattern "GPTs Inbox" and built a separate patron, Carrier Pigeon, that experiments with passing messages between GPTs.
When the user looks lost, the pint protocol kicks in. The barkeep runs a short script in Code Interpreter that picks a random patron, writes the patron's link, and adds two or three offbeat openers ("the drunker the better"). The trick blends roleplay and discovery: the user gets to feel like they ran into a stranger at the bar instead of scrolling a directory.
GPTavern is built by Mind Goblin Studios, the studio name used by developer Nick Dobos. Dobos is also the maker of Hivemind and the iOS app HeyGPT, and he has worked at The Browser Company. The studio's homepage links to the GPTavern site, the Hivemind and Grimoire iOS app, and a Gumroad page for HeyGPT and a related guide called "GPT & ME." The GPTavern site lists every patron, links to a tip jar at tipjar.mindgoblinstudios.com, and offers an optional paid subscription tier handled by Stripe.
Dobos's design taste shows up across the catalog. Many of his GPTs use single letter hotkeys (Grimoire reportedly has more than twenty), a magic and fantasy aesthetic, and a habit of pushing files plus code interpreter beyond their intended scope to fake features that ChatGPT did not yet support, such as persistent memory and turn limits. He also published an open source Replit template called "Custom GPT Actions Template GPTavern" that other builders can fork to add backend Actions to their own GPTs.
The GPT's instructions tell it to act as the barkeep, route requests to the right patron, and keep the tavern theme intact. The full prompt is short and unusually playful for a directory style GPT. It includes a literal opening line ("Greetings Traveler" with a seasonal greeting), instructions to interrupt stories with patron cameos, and a fallback procedure for confused or "inebriated" users.
GPTavern is a Barkeep at a fantasy tavern collection. Act as the Barkeep welcoming the user as they enter the bar.
Primary Goal and task: Role play as a fantasy barkeep telling magical tales and introducing tavern members, routing user's needs requests and questions to the most appropriate patron
Important: Whenever you mention a patron. include a link [Patron]{URL}
This GPT will serve as the orchestrator, conductor, and puppeteer of the GP-Tavern, a virtual space filled with various thematic GPTs.
It will warmly welcome visitors, guiding them through the tavern's diverse offerings, each representing a unique GPT with specialized functionalities.
The GPT will provide clear and accurate information about each 'patron' and their capabilities, ensuring visitors can easily navigate and choose the services that best suit their needs.
Each patron should be character the user can talk to with a unique personality.
It will maintain the fantasy tavern theme, making the experience immersive and engaging. In cases where visitors' requests are unclear, it will gently probe for more information to guide them more effectively.
The tone will be friendly and hospitable, akin to a welcoming tavern host, with a flair for whimsical storytelling to enhance the user's experience.
Start with the conversation by welcoming the user into the Tavern, and asking if they need a drink or other assistance
Greetings Traveler + {a brief stylized seasonal greeting from the barkeep, welcoming to the tavern.}
Then chat with the user and tell them a magical tale. But keep getting interrupted by random patrons, when that happens, introduce them to the user
If the user is confused, or inebriated. Pour them a pint!
Pint protocol:
Write code to
list each patron
then randomly pick a random patron
then give me a link to chat with them
and 2-3 drunken conversation starters for me to help strike up a conversation with them, in a codeblock
More details available at GPTavern.md
The pint protocol is the closest thing the GPT has to a tool. Because the barkeep cannot actually launch another GPT, the pint surfaces a link plus a few opener lines so the user has something to copy into the next chat. The conversation starters are intentionally a bit absurd, since the protocol is meant for someone who already lost the plot.
GPTavern ships with at least one knowledge file, GPTavern.md, which the system prompt references. The file holds the canonical list of patrons and their links. Grimoire, the studio's coding GPT, has a similar T or KT hotkey called "Have a drink at the tavern" that reads GPTavern.md and recommends each GPT inside it. That shared file is the only piece of cross GPT plumbing the studio could rely on before ChatGPT shipped real cross GPT calls, which means GPTavern.md acts like a small registry the rest of the tavern points back to.
Grimoire is the breakout patron of the tavern. It is a coding wizard that takes a one sentence description, sometimes paired with an image mockup, and writes the code for a site, mini app, or component. The GPT leans into "prompt-gramming," Mind Goblin Studios' shorthand for treating prompts as the primary programming surface. It runs more than twenty single letter hotkeys for common coding flows, including a tavern hotkey that surfaces the rest of GPTavern. Grimoire has appeared on OpenAI's blog as one of the early popular custom GPTs and is the focus of much of the studio's iOS app work.
Researchoor is positioned as a learning and research copilot. The patron's tagline, "Forbidden Text. Portal to Knowledge," leans on the same fantasy tone as the rest of the tavern. In practice it helps with literature searches, summarizing long material, and structured note taking.
The art patrons handle visual work that requires DALL-E plus code. Cauldron blends images and edits them with code. Gif-PT generates a sprite sheet with DALL-E and then uses code interpreter to slice the frames and assemble an animated GIF, with a debug mode that tries to refine the output automatically.
The CognoEmo cluster covers what Mind Goblin Studios calls "thinking and feeling tools." Exec f(x)n breaks a task into smaller steps to reduce starting friction. Emotion Shaman and Soothe Sayer handle emotional check ins and anxiety sanity checks. These patrons rely on the same kind of structured prompting Dobos uses elsewhere, but with a softer tone.
The agent patrons are research experiments more than polished products. Tricycle plays with internal monologue, simulated memory, and learning loops inside a single GPT. Agi.zip builds a SQL based task manager with portable long term memory and more than twenty hotkeys for managing chat. The Twins, BabyAGI.txt and BabyAGI.sql, step through tasks the way Yohei Nakajima's original BabyAGI did, but store memory inside ChatGPT's file system instead of a separate Python process.
The builder patrons help people make their own GPTs. Evolution Chamber generates OpenAPI schemas, which is the format ChatGPT needs to call external APIs through Actions. Spellbook generates random hotkey sets so builders can quickly prototype shortcut driven UIs. Carrier Pigeon experiments with passing messages between GPTs, a workaround for the lack of native cross GPT calls in early 2024.
The last two clusters lean fully into theme. Meditation, Walking Meditation, and Hypnotist handle guided audio style sessions in text. Perpetual Stew is a cooking helper aimed at people who want to keep adding leftovers to a single pot all week.
GPTavern arrived in the first wave of GPTs that launched alongside the GPT Store on January 10, 2024. It was one of the earliest examples of a creator using one GPT as a portal to several others. That pattern became more common later in 2024 once the store filled up, but at launch most builders were still trying to make a single GPT that did everything. Mind Goblin Studios' approach split the work across narrow specialists and used GPTavern to keep them findable.
The approach also influenced how Mind Goblin Studios charges. Most of the patrons are free to use inside ChatGPT Plus, but the studio runs a tip jar and a Stripe based subscription on the GPTavern website. The pitch is that the tavern keeps running because users buy the studio a coffee, not because OpenAI revenue shares pay enough to cover development.
GPTavern picked up attention from two angles. The first is Grimoire, which became one of the most discussed coding GPTs of 2024 and brought traffic back to the tavern through its tavern hotkey. The second is the aesthetic. Most GPT Store entries in early 2024 were utilitarian and presented themselves as productivity tools or assistants. GPTavern committed to a costume and a roleplay frame, which made it stand out in roundups and tutorials.
OpenAI's own blog post "Where the goblins came from" referenced Mind Goblin Studios and helped explain why a fantasy framed GPT family ended up so visible inside the store. The studio's hotkey heavy style also influenced later builders who wanted to give their GPTs a more game like feel.
GPTavern ships without long lists of suggested prompts. The barkeep is meant to drive the conversation. Common entry points include:
Any of these triggers the barkeep to either tell a short tale or hand off to a patron. The pint line is the only one that runs the random patron protocol described above.
A typical session opens with a seasonal greeting from the barkeep, a short tale about a traveler, and an interruption from one or two patrons whose specialties roughly match what the user just asked for. A user who mentions building a personal site, for example, is likely to see Grimoire push through the door and offer the link to its own GPT. A user who jokes about feeling lost is likely to trigger the pint protocol and receive a code block with a random patron, a chat link, and a couple of conversation openers.
The handoff happens in plain text. Because GPTavern cannot directly invoke another GPT, the user follows the link, starts a fresh conversation in the recommended patron, and returns to the tavern when they need something else. The tavern's job ends once the right patron is named.