thebrain-mcp
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TDQS
Scored across 17 tools
Every tool targets a distinct operation: search vs traverse vs get are clearly different (semantic lookup, graph walk, single-thought detail), and create_thought vs ingest are separated by single vs batch. Even similar tools like set_note and append_note are explicitly differentiated by replace vs append semantics.
All tools use the brain_ prefix with snake_case and descriptive verbs, but a few (brain_activate, brain_list, brain_index) omit an object while the majority follow verb_noun. This is a minor deviation, not a chaotic mix.
17 tools is slightly above the usual sweet spot but each one addresses a meaningful capability of the graph system (thoughts, notes, links, tags, index, batch ingest). No tool feels redundant; the count is justified by the domain's scope.
The surface covers the core lifecycle: list brains, search/get/traverse, create/update/delete thoughts, edit notes, link, tag, attach URLs, and manage the index. Obvious gaps include no explicit unlink or reparent operation, but these can be worked around via update_thought and the graph structure.