# KSoR > What a Knowledge System of Record is, how a project climbs the governance ladder, and which surfaces publish the same governed knowledge. - name: handbook-mcp - build_id: sha256:8e3ef2c75bf5146da5f46f5914ca9585e0716d77fab4e14c1c86d298d9c7ea20 - source_commit: b5f2836ccc2b82ceb6eb0c693d4faf14e057871c - dirty: true - ksor_version: 0.0.58 ## Documents - [What a Knowledge System of Record is](/docs/what-is-a-ksor): The authoritative, governed knowledge layer humans, agents and software operate from. - [The governance ladder](/docs/governance-ladder): Level 0 works immediately; a project climbs only as far as its domain needs. - [Overview](/docs/surfaces/overview): One source, published through several synchronized projections. - [The human surface](/docs/surfaces/for-people): Pages for reading, reviewing and sharing the record. - [The agent surface](/docs/surfaces/for-agents): MCP for retrieval with citations, and machine-readable files beside it. - [Refund Policy](/docs/refund-policy): When a customer can return an item, how the receipt and unused-condition rules work, and the exception for faulty goods.