Tempest is a cross-platform Tauri desktop application (TypeScript/React frontend, Rust backend) that orchestrates multiple CLI-based AI coding agents — Claude Code, Codex, Gemini CLI, Aider, OpenCode, Copilot CLI, Cline, Goose — running side-by-side inside isolated git worktrees. It positions itself as an open-source alternative to Conductor.build.

The problem it targets is redundant token consumption and workspace collisions when running many AI agents against the same repository. Each agent normally re-scans the codebase, and parallel edits create merge conflicts. Tempest addresses both: a shared local code-knowledge graph (the Atlas package, using tree-sitter WASM extractors, SQLite, and @xenova/transformers embeddings) provides pre-indexed context to every agent, and each agent is confined to its own git worktree/branch.

The user is a developer who runs several AI coding agents concurrently and wants one dashboard for spawning sessions, watching status, reviewing diffs, and pushing PRs. Interaction happens through a terminal-embedded UI (xterm.js) with CodeMirror editors, xyflow/cytoscape graph views, and Tauri commands bridging to Rust.

Architecturally the repo is a monorepo: root Tauri app (src, src-tauri), a marketing site (web, Next.js), Mintlify docs, and packages/atlas — a reusable semantic-code-intelligence library. The Rust side contains sub-crates: hephaestus (process isolation SDK using Job Objects on Windows, Seatbelt on macOS, bubblewrap on Linux), a separately-built hephaestus-driver kernel .sys, and dbiso (Docker-based per-project database branching via bollard). Node sidecars (claude-bridge, eve) speak to specific agent SDKs and stream NDJSON.

Notable: agents are launched with permission-bypass flags by default (--dangerously-skip-permissions, --yolo, --dangerously-bypass-approvals-and-sandbox), mitigated by the Hephaestus sandbox and a Settings toggle. PostHog telemetry is a dependency. The agents manifest is minisign-signed and verified at runtime, indicating a supply-chain-aware design.