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<title>BeforeDone — Make coding agents prove they're done</title>
<meta name="description" content="BeforeDone is an open-source evidence gate and incident replay toolkit for Codex. Fresh evidence before completion; a replayable incident report when things go wrong.">
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<aside class="space-notice" aria-label="Hugging Face Space notice">
Interactive explainer only. This Space does not execute BeforeDone, inspect your repository, or upload evidence.
<a href="https://github.com/rrrrrredy/beforedone">Install and run it locally from GitHub.</a>
Research: <a href="https://github.com/rrrrrredy/beforedone-paper">technical report and reproducibility artifact</a>, archived at
<a href="https://doi.org/10.5281/zenodo.21766277">10.5281/zenodo.21766277</a>.
</aside>
<main id="main">
<section class="hero section-dark" id="product">
<div class="hero-copy">
<h1>Make coding agents prove they're done.</h1>
<p>Fresh evidence before completion. A replayable incident report when things go wrong.</p>
<div class="hero-actions">
<a class="button button-primary" href="#install">Install BeforeDone</a>
<a class="button button-ghost" href="https://github.com/rrrrrredy/beforedone" rel="noreferrer">View on GitHub</a>
</div>
</div>
<div class="terminal" aria-label="Interactive evidence receipt demonstration">
<div class="terminal-titlebar">
<span class="terminal-dot"></span>
<span>illustrative receipt · real v1 schema</span>
<button class="state-toggle" type="button" data-receipt-toggle aria-pressed="false">Show stale state</button>
</div>
<div class="terminal-command"><span>$</span> <b>beforedone</b> check test</div>
<div class="receipt receipt-pass" data-receipt="pass">
<p class="verdict verdict-pass"><span aria-hidden="true">✓</span> PASS <span>Evidence receipt is current</span></p>
<dl>
<div><dt>check_id</dt><dd>test</dd></div>
<div><dt>argv</dt><dd>["go", "test", "./..."]</dd></div>
<div><dt>exit_code</dt><dd>0</dd></div>
<div><dt>fingerprint</dt><dd>sha256:7f3c2e9a…d6f8e</dd></div>
<div><dt>verdict</dt><dd>PASS</dd></div>
</dl>
<p class="receipt-note">Bound to the configured relevant files, verifier argv, and current contents.</p>
</div>
<div class="receipt receipt-stale" data-receipt="stale" hidden>
<p class="verdict verdict-stale"><span aria-hidden="true">×</span> STALE <span>Fingerprint mismatch</span></p>
<dl>
<div><dt>recorded</dt><dd>sha256:7f3c2e9a…d6f8e</dd></div>
<div><dt>current</dt><dd>sha256:3b8d4f1c…e7d10</dd></div>
<div><dt>verdict</dt><dd>INCONCLUSIVE</dd></div>
<div><dt>next</dt><dd>Run beforedone check test</dd></div>
</dl>
<p class="receipt-note receipt-note-red">The old PASS no longer supports completion.</p>
</div>
</div>
</section>
<section class="proof-sequence section-paper" aria-labelledby="proof-heading">
<div class="section-intro">
<h2 id="proof-heading">No fresh evidence.<br>No credible done.</h2>
<p>BeforeDone evaluates explicit verifier results against their declared relevant-file scope. It asks Codex for one corrective continuation when the proof is missing, failed, or stale.</p>
</div>
<ol class="gate-steps">
<li>
<span class="step-number">01</span>
<h3>Agent says done</h3>
<p>A completion claim reaches the Stop Hook.</p>
</li>
<li>
<span class="step-number">02</span>
<h3>Receipts checked</h3>
<p>Required checks are matched to the current relevant-file fingerprint.</p>
</li>
<li class="step-alert">
<span class="step-number">03</span>
<h3>Missing or stale</h3>
<p>Codex receives exactly one continuation with the checks it must run.</p>
<span class="stamp stamp-red">ONE CONTINUATION</span>
</li>
<li>
<span class="step-number">04</span>
<h3>Fresh check passes</h3>
<p>The new receipt matches the current declared relevant files.</p>
<span class="stamp stamp-green">PASS</span>
</li>
<li>
<span class="step-number">05</span>
<h3>Completion allowed</h3>
<p>The final claim now has inspectable support.</p>
</li>
</ol>
<div class="receipt-anatomy">
<div>
<h3>Evidence receipt anatomy</h3>
<p>A receipt records what actually ran, its exit status, and which configured relevant files were fingerprinted.</p>
</div>
<pre aria-label="Evidence receipt JSON example"><code>{
"schema_version": 1,
"check_id": "test",
"argv": ["go", "test", "./..."],
"exit_code": 0,
"relevant_fingerprint": "sha256:7f3c…d6f8e",
"verdict": "PASS"
}</code></pre>
</div>
<div class="receipt-anatomy">
<div>
<h3>Measured, not overclaimed</h3>
<p>The reproducible technical report includes 144 eligible confirmatory outcomes. One superseded attempt that produced no outcome is retained for audit and excluded from all effectiveness denominators. Every condition observed 0/60 unsupported completions in the claim-supportable subset, so the report makes no superiority claim; it documents the mechanism, auditability, and measured verifier cost. The complete protocol, run records, runner, and analysis live in the separate <a href="https://github.com/rrrrrredy/beforedone-paper" rel="noreferrer">BeforeDone Paper repository</a>, keeping this product repository focused on the CLI and pinning the study to the evaluated implementation.</p>
</div>
<p><a href="https://doi.org/10.5281/zenodo.21766277" rel="noreferrer">Read the technical report and artifact <span aria-hidden="true">↗</span></a></p>
</div>
</section>
<section class="incident section-dark" id="incident" aria-labelledby="incident-heading">
<div class="incident-heading">
<div>
<h2 id="incident-heading">Find the first observable divergence.</h2>
<p>Timeline, diff, receipts, logs, and corrections — without pretending to recover hidden reasoning.</p>
</div>
<a class="text-link" href="./demo/incident.html">Open the example report <span aria-hidden="true">↗</span></a>
</div>
<div class="report-shell">
<div class="report-toolbar">
<span>illustrative report view · open the real report above</span>
<span>local HTML</span>
</div>
<div class="report-layout">
<ol class="timeline" aria-label="Incident event timeline">
<li>
<span class="event-index">001</span>
<time>10:22:31.214Z</time>
<div><b>ToolStarted</b><small>go test ./...</small></div>
</li>
<li class="divergence">
<span class="event-index">002</span>
<time>10:22:32.276Z</time>
<div><b>ToolFinished</b><small>exit: 1 · parser edge case failed</small><strong>FIRST OBSERVABLE DIVERGENCE</strong></div>
</li>
<li>
<span class="event-index">003</span>
<time>10:22:33.001Z</time>
<div><b>AgentStopping</b><small>missing fresh test receipt</small></div>
</li>
<li class="correction">
<span class="event-index">004</span>
<time>10:24:02.884Z</time>
<div><b>User correction</b><small>handle escaped delimiters</small></div>
</li>
</ol>
<div class="event-detail">
<p class="detail-label">Event 002 · ToolFinished</p>
<dl>
<div><dt>command</dt><dd>go test ./...</dd></div>
<div><dt>exit</dt><dd>1</dd></div>
<div><dt>stderr</dt><dd>expected escaped delimiter to remain literal</dd></div>
<div><dt>evidence</dt><dd>log sha256: e3b1…6f9a</dd></div>
</dl>
</div>
<aside class="evidence-matrix">
<h3>Claim / Evidence</h3>
<ul>
<li><span>Tests ran</span><b class="supported">Supported</b></li>
<li><span>Tests passed</span><b class="unsupported">Contradicted</b></li>
<li><span>Implementation was correct</span><b class="unknown">Not observable</b></li>
</ul>
<p>Precision</p>
<strong class="precision">exact_event</strong>
</aside>
</div>
</div>
</section>
<section class="install section-paper" id="install" aria-labelledby="install-heading">
<div class="section-intro install-intro">
<h2 id="install-heading">One core. Choose one Codex route.</h2>
<p>The CLI is the source of truth and is always required. Then choose exactly one integration: the Git Marketplace Plugin for hooks plus both bundled skills, the standalone Skills Pack for a manual workflow, or project-local hooks from <code>beforedone setup codex</code>. Combining routes duplicates hooks or workflows.</p>
</div>
<div class="install-switcher" data-tabs>
<div class="tab-list" role="tablist" aria-label="Installation method">
<button role="tab" id="tab-cli" aria-controls="panel-cli" aria-selected="true" tabindex="0" data-tab="cli"><span>01</span> CLI</button>
<button role="tab" id="tab-plugin" aria-controls="panel-plugin" aria-selected="false" tabindex="-1" data-tab="plugin"><span>02</span> Codex Plugin</button>
<button role="tab" id="tab-skills" aria-controls="panel-skills" aria-selected="false" tabindex="-1" data-tab="skills"><span>03</span> Skills Pack</button>
</div>
<div class="tab-panel" id="panel-cli" role="tabpanel" aria-labelledby="tab-cli" data-panel="cli">
<h3>Install the local evidence engine</h3>
<p>Works on Windows, macOS, and Linux. From the target Git repository, run <code>beforedone init</code>, review <code>.beforedone.yaml</code>, then run <code>beforedone doctor</code>.</p>
<div class="copy-row">
<code>go install github.com/rrrrrredy/beforedone/cmd/beforedone@latest</code>
<button type="button" data-copy="go install github.com/rrrrrredy/beforedone/cmd/beforedone@latest">Copy</button>
</div>
<a href="https://github.com/rrrrrredy/beforedone/releases/latest">Download release archives <span aria-hidden="true">↗</span></a>
</div>
<div class="tab-panel" id="panel-plugin" role="tabpanel" aria-labelledby="tab-plugin" data-panel="plugin" hidden>
<h3>Add the public Git marketplace</h3>
<p>Install the CLI first, add the marketplace below, restart the desktop app, then open the Plugins Directory, select the <code>beforedone</code> source, and install BeforeDone in the UI. Review and trust the hooks with <code>/hooks</code>, then start a new task. Do not also install the standalone pack or project hooks. Hooks never download executables silently.</p>
<div class="copy-row">
<code>codex plugin marketplace add rrrrrredy/beforedone</code>
<button type="button" data-copy="codex plugin marketplace add rrrrrredy/beforedone">Copy</button>
</div>
</div>
<div class="tab-panel" id="panel-skills" role="tabpanel" aria-labelledby="tab-skills" data-panel="skills" hidden>
<h3>Use the manual workflows</h3>
<p>Choose this instead of the Git Plugin or project hooks. The standalone Skills guide verification and incident analysis, but cannot capture lifecycle events or enforce a Stop Hook. Run both exact installer prompts, then start a new Codex turn.</p>
<div class="copy-row">
<code>$skill-installer install https://github.com/rrrrrredy/beforedone/tree/main/skills/verify-before-done</code>
<button type="button" data-copy="$skill-installer install https://github.com/rrrrrredy/beforedone/tree/main/skills/verify-before-done">Copy</button>
</div>
<div class="copy-row">
<code>$skill-installer install https://github.com/rrrrrredy/beforedone/tree/main/skills/investigate-agent-incident</code>
<button type="button" data-copy="$skill-installer install https://github.com/rrrrrredy/beforedone/tree/main/skills/investigate-agent-incident">Copy</button>
</div>
<p>Optional third-party installer, with its telemetry disabled:</p>
<div class="copy-row">
<code>DISABLE_TELEMETRY=1 npx skills add rrrrrredy/beforedone --skill verify-before-done --skill investigate-agent-incident --agent codex --global --yes</code>
<button type="button" data-copy="DISABLE_TELEMETRY=1 npx skills add rrrrrredy/beforedone --skill verify-before-done --skill investigate-agent-incident --agent codex --global --yes">Copy</button>
</div>
<a href="https://github.com/rrrrrredy/beforedone/tree/main/skills">Inspect both skills <span aria-hidden="true">↗</span></a>
</div>
</div>
<div class="receipt-anatomy">
<div>
<h3>Project-local hook alternative</h3>
<p>Instead of the Plugin or standalone Skills, run <code>beforedone setup codex</code>, trust the project hooks with <code>/hooks</code>, and start a new task. Remove them with <code>beforedone setup codex --remove</code>.</p>
</div>
<p>For upgrades, uninstallation, data removal, and pinned versions, follow the <a href="https://github.com/rrrrrredy/beforedone#readme">complete README</a>.</p>
</div>
</section>
<section class="trust section-dark" id="faq" aria-labelledby="trust-heading">
<div class="trust-copy">
<h2 id="trust-heading">Local evidence.<br>Inspectable rules.</h2>
<p>BeforeDone is a local guardrail for accidental early completion and stale evidence. It is inspectable, but it is not a sandbox or an attestation boundary against a malicious process running as the same OS user.</p>
<ul class="trust-list">
<li><span>01</span>No telemetry</li>
<li><span>02</span>No cloud account</li>
<li><span>03</span>Imported replay cases never control commands</li>
<li><span>04</span>Apache-2.0</li>
</ul>
</div>
<div class="faq-list">
<h3>FAQ</h3>
<details open>
<summary>Can log text forge a PASS?</summary>
<p>Not through the supported check flow. A word such as “PASS” in output cannot override a non-zero exit; <code>beforedone check</code> records the process result and current fingerprint. This is not protection from a malicious same-user process that can read the key, change policy, and rewrite local evidence.</p>
</details>
<details>
<summary>Does BeforeDone decide what to test?</summary>
<p>No. BeforeDone verifies project-approved commands and keeps their evidence fresh; it does not infer whether they fully cover a natural-language requirement. Ask Codex to map the task to existing tests or a focused regression test, review the generated <code>.beforedone.yaml</code>, and report any uncovered criterion as unverified.</p>
</details>
<details>
<summary>Why Apache-2.0 rather than MIT?</summary>
<p>Both are permissive licenses that allow commercial use, modification, and redistribution. Apache-2.0 also provides an explicit patent license and clearer contribution and notice rules, which fit an extensible developer tool. It does not grant rights to the BeforeDone name or logo.</p>
</details>
<details>
<summary>Is a receipt tamper-proof attestation?</summary>
<p>No. The key, configuration, and runtime artifacts are local. A malicious process with the same user and repository write access can manufacture a self-consistent PASS. BeforeDone checks missing or stale evidence on a cooperative or fallible Agent's first Stop attempt; hostile Agents require an external trust boundary.</p>
</details>
<details>
<summary>Does replay rerun the model?</summary>
<p>No. Analyze mode replays BeforeDone's deterministic decisions. Verify mode can rerun configured checks in a temporary worktree only after explicit <code>--execute</code>.</p>
</details>
<details>
<summary>Does BeforeDone recover chain of thought?</summary>
<p>No. It reports only what observable evidence supports: an exact event must explicitly match a verified failing Receipt, a time window must enclose that check, and weaker evidence is marked unlocated. Generic command failures or later corrections do not become invented causality.</p>
</details>
<details>
<summary>Does it isolate verifier network access?</summary>
<p>No. Checks and explicit replay execution use the network, credentials, filesystem, and process permissions available to the current user.</p>
</details>
</div>
</section>
<section class="closing section-dark" aria-label="Project links">
<h2>Prove it before done.</h2>
<div class="closing-links">
<a href="https://rrrrrredy.github.io/beforedone/"><small>Project site</small>rrrrrredy.github.io/beforedone/</a>
<a href="https://github.com/rrrrrredy/beforedone"><small>GitHub repository</small>github.com/rrrrrredy/beforedone</a>
</div>
</section>
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<p>BeforeDone is open source under Apache-2.0.</p>
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<a href="https://rrrrrredy.github.io/beforedone/terms.html">Terms</a>
<a href="https://github.com/rrrrrredy/beforedone/blob/main/SECURITY.md">Security</a>
<span>© <span data-year>2026</span> BeforeDone contributors</span>
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<p class="space-source">HF showcase from source commit <a href="https://github.com/rrrrrredy/beforedone/commit/f7b834dab209ccd8375f74255a21bd42cffff9b5">f7b834d</a>; current engineering release <a href="https://github.com/rrrrrredy/beforedone/releases/tag/v1.0.2">v1.0.2</a>.</p>
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