rpg vs Grimoire for Gamemasters
rpg is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑16.
rpg is a plugin bundle for AI coding tools published by MythX Engine. No marketplace we read lists it any more. Grimoire for Gamemasters is an MCP server published by ttrpg.bot. Marketplaces we read that list it: 1 (Official MCP Registry). As of our marketplace pass on 2026-11-07. A plugin in this pair is no longer listed on any marketplace we read, so search engines are asked not to index the page.
Where each is published
| Marketplace |  Grimoire for Gamemasters | |
|---|---|---|
| Community marketplace protolabsai/mythx-mcp | Removed on 2026-10-16 Version: 1.4.0 Forks (GitHub): 0 Stars (GitHub): 2 Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Listed Version: 1.6.0 Forks (GitHub): 0 Stars (GitHub): 2 Not marked · First seen |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
The facts side by side
| Fact | rpgno longer listed · | Grimoire for Gamemasters |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 1 |
| Stars (GitHub) | 2 | 2 |
| Forks (GitHub) | 0 | 0 |
| Last release (differs) | Not published | 2026-10-25 |
| Where it runs (differs) | On your machine (@mythxengine/mcp-server) | Remote server (api.ttrpg.bot/mcp) |
| Transport (differs) | Not stated | Streamable HTTP |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | Not published | Not published |
| Hooks it runs (differs) | 8 | Not published |
| Parts of the bundle (differs) | 17 | Not a bundle |
| Licence | Not stated | Not stated |
| Repository (differs) | github.com/protolabsai/mythx-mcp | github.com/zafety-vibin/grimoire-mcp |
| Changes in the last 7 days | 0 | 0 |
| First seen (differs) | 2026-10-14 | 2026-10-11 |
| Endpoint at the last check (differs) | no remote endpoint we check | Status out of date: last check 32 h ago returned HTTP 401 |
Lines where the two differ have a tinted background and bold values. No value is marked better or worse: a plugin no marketplace lists any more is shown with its last known data, which we do not rank against current figures.
What to use instead of rpg
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
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Dungeon Master assistant for persistent D&D 5e campaigns — campaign/character management, combat, NPCs, dice, an optional live display companion, and full session state across…
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talebuddy io.talebuddy/talebuddy
Turn a brainstorming conversation into a story bible of characters, locations, items, and lore.
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Create AI Characters and generate their DM and comment replies from any MCP client.
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Mess in, magic out: your D&D and TTRPG notes become a private world store any AI app can read.
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Official remote MCP server for Archivist AI TTRPG campaign memory: characters, sessions, and more.
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AI co-pilot for Foundry VTT: runs combat, scenes, voices and audio. Requires the Familiar module.
What each says it does
rpg
RPG World Builder — Full tabletop RPG experience with parallel world generation, AI companions, GM-driven gameplay, combat, and book generation.
Grimoire for Gamemasters
D&D and TTRPG campaign manager for GMs: your AI reads and writes a live, typed campaign database.
How to run each
rpg
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
Grimoire for Gamemasters As a remote MCP server
claude mcp add --transport http grimoire https://api.ttrpg.bot/mcpCommands built only from what the marketplaces declare; the full set for every client is on each card.
Only Grimoire for Gamemasters has a remote endpoint we check. How we check endpoints
Tools each declares
Neither one's marketplaces publish a list of tools, so there is nothing to compare.
Settings each asks for
Neither one's marketplaces publish the settings it asks for.
What it can do: rpg · What it can do: Grimoire for Gamemasters · Compare two other plugins
Data comes from public marketplace files in GitHub repositories of their authors. Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.