brain-mcp-tools-fully-removed-use-vault-mcp
All brain_* tool references (brain_record_decision, brain_submit_learning, brain_search_learnings, brain_list_pending_handoffs, etc.) were stale in aj-ea CLAUDE.md, aj-ea MEMORY.md, and feedback_st_proactive_use.md in BOTH workspaces. The Brain MCP server was replaced by vault-mcp; any legacy reference to brain_* in setup files is broken and must be replaced with vault_* equivalents.
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