cactus vs Brain Scanner
cactus is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑26.
cactus is a plugin bundle for AI coding tools published by eighteyes. No marketplace we read lists it any more. Brain Scanner is an MCP server published by kevin-lozada-santos. Marketplaces we read that list it: 1 (Official MCP Registry). As of our marketplace pass on 2026-10-28. 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 |  Brain Scanner | |
|---|---|---|
| Community marketplace eighteyes/cactus | Removed on 2026-10-26 Version: 0.3.0 Forks (GitHub): 1 Stars (GitHub): 10 Not marked · First seen |
Not listed |
| Official MCP Registry | Not listed | Listed Version: 0.8.3 No figure published 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 | cactusno longer listed · | Brain Scanner |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 1 |
| Stars (GitHub) (differs) | 10 | No figure on GitHub |
| Forks (GitHub) (differs) | 1 | No figure on GitHub |
| Last release (differs) | Not published | 2026-10-17 |
| Where it runs (differs) | Installs as a plugin bundle | Remote server (brainscanner.dev/mcp/v2) |
| Transport (differs) | Not stated | Streamable HTTP |
| Tools it declares | Not published | Not published |
| Environment variables it asks for (differs) | 1, secrets among them: 0 | Not published |
| Hooks it runs (differs) | 5 | Not published |
| Parts of the bundle (differs) | 7 | Not a bundle |
| Licence (differs) | MIT | Not stated |
| Repository (differs) | github.com/eighteyes/cactus | Not stated |
| Changes in the last 7 days (differs) | 2 | 0 |
| First seen (differs) | 2026-10-16 | 2026-10-11 |
| Endpoint at the last check (differs) | no remote endpoint we check | Responded 6 days ago, requires a key |
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 cactus
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
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Core agents and commands required by all plugins
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agent-comm io.github.keshrath/agent-comm
Agent intercommunication - messaging, channels, shared state, and real-time events
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Connect Claude Code to human experts via Slack. Ask questions, get answers, and build organizational knowledge — all without leaving your editor.
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15 specialist subagents; 13 commands (/ship /review /tdd /pr /adr /triage /scaffold /cost /onboard /spec /sdlc /team-review /pr-shepherd); guardrail + red-team +…
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Goal-driven task orchestration with independent verification. Interviews the user to define a clear goal, then loops between a Builder subagent (does the work) and an Inspector…
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Strict 3-stage handoff workflow for coding agents — plan → execute → verify — with disk-backed state for cross-context handoff.
What each says it does
cactus
Durable, project-scoped question inbox between coding agents and a human. Skill teaches ask/steer/run/review/plan, an answer wakes the owning agent, a SessionStart hook surfaces open rows.
Brain Scanner
Recover project context, review recorded decisions, and steer queued work across AI coding agents.
How to run each
cactus
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
Brain Scanner As a remote MCP server
claude mcp add --transport http brain-scanner https://brainscanner.dev/mcp/v2Commands built only from what the marketplaces declare; the full set for every client is on each card.
Only Brain Scanner 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
The marketplaces of Brain Scanner publish no settings it asks for, so we do not compare settings.
What it can do: cactus · What it can do: Brain Scanner · 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.