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Free toolDiagnose a Codex task before it touches your repoRun the doctor
A private pre-flight check for Codex

Turn a risky request
into a shippable brief.

Find missing context, catch dangerous assumptions, and export a safer Codex brief—free, private, and entirely in your browser.

Nothing leaves your browser
No account, API key, telemetry, or upload.

doctor/task-brief.mdLOCAL ONLY

PRE-FLIGHT DIAGNOSIS / 61 OF 100

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Safer brief generated.Review, copy, and run when ready.
EngineOn-device
CostFree
AccountNone

FREE CODEX BRIEF DOCTOR

Catch the expensive mistake
before Codex starts.

Turn an underspecified task into an actionable, safety-aware brief—or audit a `SKILL.md` before you install it.

Private by design. Analysis runs in this browser. Nothing you paste is uploaded or stored.
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Your diagnosis appears here.

The checks are transparent heuristics—not an AI verdict. Use the result as a pre-flight review, then apply judgment.

01Diagnose first. See risk and missing context before execution.

02Export the fix. Copy a Markdown brief you can edit and inspect.

03Go deeper when needed. Focused workflows start at $5.

DEEPER WORKFLOWS

When a better brief
is not enough.

Eight original workflows, each delivered as editable source.
No subscriptions and no fictional performance claims.

8 original skills Preview checkout is safely disabled
RS
$5one-time

README That Sells

by Runbook Studio

Creates a credible README with positioning, a fast demo path, honest proof, and low-friction onboarding.

PositioningDocsOnboarding
3workflow phases
Focusedcomplexity
1source file
LC
$7one-time

Launch Copy

by Runbook Studio

Extracts the sharpest honest product angle and turns it into a landing page plus forum-ready launch copy.

PositioningLanding pageLaunch posts
4workflow phases
Focusedcomplexity
1source file
PG
$9one-time

PR Guardian

by Runbook Studio

Reviews pull requests for regressions, security gaps, migration risk, and missing high-value tests.

Diff reviewSecurityTest gaps
4workflow phases
Focusedcomplexity
1source file
LM
$10one-time

Legacy Mapper

by Runbook Studio

Turns an unfamiliar codebase into an evidence-backed architecture map, risk register, and migration plan.

Repo mapRisk registerMigration
5workflow phases
Advancedcomplexity
1source file
DP
$12one-time

Dependency Pilot

by Runbook Studio

Plans risky framework upgrades, verifies breaking changes, and lands the migration in reversible stages.

Upgrade planCompatibilityRollback
6workflow phases
Advancedcomplexity
1source file
TF
$15one-time

Test Foundry

by Runbook Studio

Finds brittle paths and adds the smallest set of high-value tests without snapshot or coverage theater.

Risk-firstIntegrationFlake control
6workflow phases
Advancedcomplexity
1source file
AS
$19one-time

API Starter

by Runbook Studio

Plans and builds a production API with auth boundaries, rate limits, observability, and typed contracts.

AuthRate limitsOpenAPI
7workflow phases
Systemcomplexity
1source file

WHAT YOU RECEIVE

Readable before
it can act.

Every purchase unlocks a Markdown skill file. There is no binary, install script, telemetry SDK, or hidden dependency.

Choose a workflow
DELIVERY CONTRACT
MD
your-skill/SKILL.mdplain UTF-8 Markdown
Editable

Specific triggerClear guidance on when the skill should run

01

Staged workflowEvidence, implementation, verification, handoff

02

Safety guardrailsSecrets, permissions, identity, and destructive actions

03

STARTER PRICE

$5one timeAdvanced and system workflows scale by depth.

FILES INCLUDED

SKILL.md Receipt Source access

FOR CODEX BUILDERS

Your workflow
can be a product.

Creator submissions will open after the first-party catalog and payment delivery pass a real beta.

01

DocumentTurn repeatable judgment into a scoped skill.

02

ReviewCheck source, claims, permissions, and delivery.

03

SellPublish only after live-payment terms are ready.

i Creator intake is intentionally closed during preview.
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