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Umbra
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Introduction
How Umbra manages context
What it does
Requirements
Installation
Quick start
Context Engine & AST Compression
Provider Layer
Tools
Orchestration & Autonomous Loop
BYOK — Bring Your Own Key
Daemon Initialization & Architecture
Project Diagnostics
Memory Layer & Vector Store
Gateway, Routing & Token Economy
Agent Behavioral Invariants
Web Search (`web.search` + `web.fetch`)
Skills System & Multi-Agent Context
Custom Commands & TUI Integration
Creating Skills — `/skill-create`
TUI Theming
Workspace Trust & Context Switching
Deep Context & Ultra-Economy Settings
In-Turn Split-Logic (Split-Turn Compression)
Retrieval-first Context Packets
Request Usage Meter
Built-in Code Review (`/review`)
Backlog
Contributing
License
GitHub
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Requirements
Node.js v22+
pnpm
(preferred) or
npm