Brain OS
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Alternatives to Brain OS
- AlicenseBqualityAmaintenanceBasic Memory is a knowledge management system that allows you to build a persistent semantic graph from conversations with AI assistants. All knowledge is stored in standard Markdown files on your computer, giving you full control and ownership of your data. Integrates directly with Obsidan.md177,603 PyPI4,114AGPL 3.0

mem0-mcpofficial
AlicenseAqualityCmaintenanceSelf-hosted Mem0 MCP server integrating Qdrant, Neo4j, and Ollama for semantic memory search, graph entity relationships, and memory management via OpenMemory API.64MIT
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- AlicenseNot gradedqualityDmaintenancePersistent decision memory and contradiction detection for AI coding agents. Enforces architectural consistency across sessions — the agent cannot code until it loads prior decisions. Human resolves conflicts on a dashboard or in chat.1MIT
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TDQS
Scored across 23 tools
The descriptions explicitly differentiate overlapping tools, such as audit_log vs semantic_recall for time-ordered vs topic search, and decision_check vs decision_review vs decision_log for different decision operations. However, several read-only state tools (operational_state_check, entity_read, project_evidence_scan) and multiple decision/memory check tools could still cause momentary confusion for an agent without careful reading.
All tools use snake_case with a consistent domain-first convention (e.g., decision_check, entity_read, plan_advance, memory_commit). Minor deviations like wrap_auto and action_guard still follow the same snake_case style, so there is no mixed convention.
At 23 tools, the set is on the heavy side for the server's purpose, though each tool targets a distinct operation within memory, decisions, plans, wrap, risk, and audit. The count is borderline per calibration and could likely be consolidated (e.g., plan and decision families) without losing capability.
The surface covers a wide lifecycle: decisions (log, check, review, refresh), entities (read, update), plans (set, add, advance, read), memory (check, commit, recall, audit), wrap, risk assessment, and evidence scanning. Minor gaps remain, such as no explicit entity/plan deletion or a direct list-all-decisions tool, but agents can work around these via entity_read and decision_review.