ralph-loop vs io.github.adelinamart/robrain
ralph-loop is a plugin bundle for AI coding tools published by Anthropic. Marketplaces we read that list it: 1 (Claude Code: claude-plugins-official). io.github.adelinamart/robrain is an MCP server published by adelinamart. Marketplaces we read that list it: 1 (Official MCP Registry). As of our marketplace pass on 2026-10-18. This pair was picked by a reader, not by our comparison rule, so search engines are asked not to index the page.
Where each is published
| Marketplace |  io.github.adelinamart/robrain | |
|---|---|---|
| Claude Code: claude-plugins-official | Listed Version: 1.0.0 Forks (GitHub): 4 462 Stars (GitHub): 41 694 Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Listed Version: 2.4.9 Downloads/month (npm): 434 Downloads/week (npm): 112 Forks (GitHub): 5 Stars (GitHub): 82 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 | ralph-loop | io.github.adelinamart/robrain |
|---|---|---|
| Marketplaces that list it | 1 | 1 |
| Stars (GitHub) (differs) | 41 694 (better) | 82 (worse) |
| Forks (GitHub) (differs) | 4 462 (better) | 5 (worse) |
| Last release | Not published | Not published |
| Where it runs (differs) | Installs as a plugin bundle | On your machine (robrain) |
| Transport (differs) | Not stated | stdio |
| Tools it declares | Not published | Not published |
| Environment variables it asks for (differs) | Not published | 2, secrets among them: 1 |
| Hooks it runs (differs) | 1 | Not published |
| Parts of the bundle (differs) | 4 | Not a bundle |
| Licence | Not stated | Not stated |
| Repository (differs) | github.com/anthropics/claude-plugins-official | github.com/adelinamart/robrain |
| Changes in the last 7 days | 0 | 0 |
| First seen | 2026-10-11 | 2026-10-11 |
Lines where the two differ have a tinted background and bold values. Where the data itself says which value is better (more marketplaces, a larger figure of the same marketplace, a fresher release, a verified mark on a marketplace that lists both), the better one is also marked green with ▲ and the worse one red with ▼. Where it runs, the transport, the tools, the settings, hooks, the bundle's parts, the licence and the week's changes are marked only as different: more or fewer is not better in itself.
What each says it does
ralph-loop
Interactive self-referential AI loops for iterative development, implementing the Ralph Wiggum technique. Claude works on the same task repeatedly, seeing its previous work, until completion.
io.github.adelinamart/robrain
Self-hosted decision memory for AI coding agents; warns before re-proposing a rejected approach.
How to run each
ralph-loop As a Claude Code plugin
/plugin install ralph-loop@claude-plugins-officialio.github.adelinamart/robrain As a local MCP server: npm package
claude mcp add --env "PERCEPTION_API_KEY=<YOUR_PERCEPTION_API_KEY>" --transport stdio robrain -- npx -y robrain mcpRequires: PERCEPTION_API_KEY (secret)
Commands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
Neither one's marketplaces publish a list of tools, so there is nothing to compare.
Settings each asks for
The marketplaces of ralph-loop publish no settings it asks for, so we do not compare settings.
What it can do: ralph-loop · What it can do: io.github.adelinamart/robrain · Compare two other plugins
Data comes from the public marketplace file https://github.com/anthropics/claude-plugins-official/blob/HEAD/.claude-plugin/marketplace.json. 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.