Why jackin'?Installation Verifying Releases Quick Start Core Concepts Design Principles

Workspaces Mounts Parallel Agents Parallel Agent Coordination Environment Variables Run Telemetry

GitHub CLI Authentication Z.AI (GLM Coding Plan)MiniMax (Token Plan)Kimi

Running inside tmux Security Model Comparison with Alternatives

Getting Oriented Architecture Codebase Map Workspace Automation (xtasks)

Runtime Model Runtime Instance Model Instance and Resource Naming Image Labels & Recipe Hash Configuration File Schema Versions Run Diagnostics

jackin' Capsule: In-Container Control Plane Capsule Session Lifecycle Capsule Terminal Model jackin' Capsule: Multiplexer Design Rules Claude Token Orchestrator

Architecture Decision Records ADR-001: Single-crate vs Cargo workspace ADR-002: Rust toolchain pinning and MSRV policy ADR-003: Ratatui as the TUI rendering library ADR-004: Capsule pane-body rendering mechanism ADR-005: Capsule single render path

TUI Design TUI Architecture Navigation & Input Chrome & Surfaces Dialogs & Modals Component Reuse & Catalog Visual Design

Security Implementation Research Watchlist

Error Reference E001 — Docker daemon not reachable E002 — Docker version too old E003 — Out of disk space for image build E004 — Role manifest invalid E005 — Role manifest version unsupported E006 — Role source not trusted E007 — Workspace not found E008 — Workspace config version unsupported E009 — Container name conflict E010 — DinD sidecar failed health check E011 — Port conflict on DinD TLS port E012 — GitHub CLI authentication failed E013 — 1Password CLI not signed in E014 — Capsule binary download failed E015 — Worktree materialization conflict

Behind jackin' — InternalsError Reference

E014 — Capsule binary download failed

E014: Capsule binary download failed

What to try

Check your internet connection and retry. Run with --debug for the download URL and the full error detail.

See also

Run jackin doctor for a full pre-flight health check.
Pass --debug to any jackin command to enable diagnostic tracing.

E013 — 1Password CLI not signed in

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E015 — Worktree materialization conflict

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What to try See also