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OpenCodex in 5 Minutes

OpenCodex is a fork of upstream OpenCode that adds agent orchestration surfaces: task DAGs, a durable task tracker, semantic retrieval/compaction, a stateful workbench, and deterministic TUI proofs. This page is the shortest path to seeing the fork's own code actually run.

For the full file-by-file map of what the fork adds vs upstream, see what-i-changed.md.

Proof path (no API keys, no network calls by the demo itself)

Prerequisites: bun 1.3.11+.

git clone https://github.com/GalToast/opencode-fork.git
cd opencode-fork
git checkout opencode-fork
bun install --frozen-lockfile

Then run the one demo command (from the repo root):

bun run --cwd packages/opencode script/tui-render-proof.tsx

What this does: it renders the fork's real Plan and Tracker TUI dialogs headlessly — no model, no network — and prints the frames to your terminal. You should see output starting with:

=== DialogPlan ===
     Plan
     Status: Awaiting Approval
...
=== DialogTracker ===
     Tracker  |  [L]ist / [D]AG
...

It also writes the proof artifacts to packages/opencode/tmp/tui-render-proof/ (frames as text, slash-command wiring and dispatch results as JSON). Open packages/opencode/tmp/tui-render-proof/dialog-tracker-dag-frame.txt to see the tracker in DAG mode.

The whole path — clone, install, demo — takes under five minutes on a typical connection.

What to look at next

If you want... Start here
The feature/file map vs upstream what-i-changed.md
Task DAGs (dependency-aware orchestration) packages/opencode/src/tool/task.ts, packages/opencode/test/tool/task-dependencies.test.ts
Durable tracker packages/opencode/src/tool/tracker.ts, packages/opencode/test/tool/tracker.test.ts
Semantic retrieval + compaction baton packages/opencode/src/retrieval/, packages/opencode/test/retrieval/
Stateful workbench packages/opencode/src/tool/workbench.ts, packages/opencode/test/tool/workbench.test.ts
Runtime surface inventory opencodex-runtime-surface.md

Verification

Fork CI (.github/workflows/opencodex.yml) runs bun run typecheck in packages/opencode plus the focused tests for the fork's additions on every push to the opencode-fork branch. The inherited upstream workflows (test.yml, typecheck.yml) target upstream's dev branch and do not run here — their status is not evidence for this fork.

Boundaries

  • The self-editing harness (packages/opencode/src/harness/) is active research: opt-in and review-required, not a finished product.
  • Some provider/model flows need credentials that are not in this repo.