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ocean-brain

Self-hosted knowledge base for organizing notes, thoughts, and projects with backlinks, properties, views, reminders, and MCP integration.

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Data offered docs-verified: notes · backlinks · tags · typed properties · saved views · graph · reminders · calendar date lookup · Markdown and HTML export
Formats docs-verified: Markdown · HTML
Access docs-verified: Free and open source under the MIT licence; self-hosted; password mode or local open mode

Use cases llm-inferred: Log project decisions and meeting notes, linked by backlinks, for a consultancy project · Keep research trails for a site investigation or desk study connected as the thinking develops · Track ideas and open actions with reminders and saved table views across a project
Audience llm-inferred: project managers · consultants · researchers · project teams

Constraints llm-inferred: Not an environmental, hydrological or geospatial data source; the docs describe a note-taking workspace · Persistent, shared use requires self-hosting; the live demo has no server-backed features · Source development requires Node.js 22.13+ and pnpm 10.25.0 · Access beyond the user's own machine requires password mode

Licence: MIT
Authentication: API key via env: OCEAN_BRAIN_PASSWORD, OCEAN_BRAIN_SESSION_SECRET (auto-extracted from README)
GitHub stars: 15
Last commit: 14/10/2026
Last successful page check: 14/10/2026
Page health: healthy
Package: npm:ocean-brain
Verification: Not independently verified

Auto-extracted, unverified fields: tools, install, auth. Check upstream documentation.

Tools/install/auth auto-extracted from README; quality score heuristic (stars, recency, tool count, licence).

Metadata observed 15/10/2026 · research sweep: github-search