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Hydra v0.1.0 — Context Hydration Engine

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@Ripnrip Ripnrip released this 13 Aug 22:02
v0.1.0
7acc56e

Initial public release

Hydra is a context hydration engine for second brains. It scans the artifacts agent-assisted work leaves behind — plans, session recaps, decision records, changelogs, git history, loose files — classifies and enriches them, then projects them into an Obsidian vault that both humans and agents can query.

Highlights

  • End-to-end hydration pipeline in HydraCore: scan → classify (ArtifactKind) → enrich (tags, links, provenance, authority) → SQLite outbox → deterministic PARA-style vault projection.
  • Three surfaces over one graph: a SwiftUI + TCA app, the hydra CLI (scan, health, hydrate, search, serve), and a JSON-RPC 2.0 MCP server on Hummingbird for Claude's stdio transport.
  • Dry-run first: --dry-run and the in-app dry-run preview let you inspect projected notes before anything is written to a vault.
  • Snapshot-tested UI: 40 test functions across four targets, including committed light/dark reference images for every delivery state, confidence level, and hydration stage. Every view ships with an Xcode #Preview.
  • New portfolio README with an animated banner, a pipeline architecture diagram, and an MCP sequence diagram.

Getting started

Requires macOS 15+ and a Swift 6.2 toolchain.

git clone https://github.com/Ripnrip/Hydra.git
cd Hydra
swift build && swift test

hydra health --vault ~/Documents/MyVault
hydra hydrate --source ~/.claude/plans --vault ~/Documents/MyVault --dry-run

See the README for the full walkthrough.

Notes

This is an early foundation, not a finished product, and the code is explicit about the gap:

  • 2 of 8 MCP tools are implemented. health_check and search work; hydrate, relationships, gaps, timeline, tag_report and projectNote are declared and return not_yet_implemented.
  • 2 of 8 delivery states are mechanically enforced. Only submitted and blocked are tracked; the other six are policy-defined and flagged via isMechanicallyTracked.
  • macOS 15+ / Swift 6.2 only. No prebuilt binary is attached — build from source.
  • Use --dry-run before pointing Hydra at a vault you cannot afford to lose.

Developed against a live vault of 331 notes, 685 tags, PARA structure, and 16 Obsidian plugins.

Assets 4
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