live-verify

A two-part verification process for changes to gflow-cli, which drives Google Flow through its external service. It checks the local branch before work begins and tests the change against the real service before completion.

In plain words
What is it for?
Starting and finishing feature or bug-fix work involving Flow generation, especially before claiming the change is complete.
Why use it?
Local tests cannot confirm that an external service still behaves as expected, so this process requires current branch information and fresh evidence from the affected workflow.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/ffroliva/gflow-cli/live-verify
Any agent
npx skills add ffroliva/gflow-cli --skill live-verify
Clone the repo
git clone --depth 1 https://github.com/ffroliva/gflow-cli

Made for: Claude Code, Codex.

Per session 100 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,025 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00100 $0.02025
Opus 5 $0.00050 $0.01012
Sonnet 5 $0.00020 $0.00405
Haiku 4.5 $0.00010 $0.00202

Measured 3d ago against content hash faf0af13961a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

live-verify scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/live-verify/SKILL.md · 152 lines

How it starts

The opening of the file, as written. The whole thing — 152 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/gflow:live-verify — Live-verification enforcement

gflow-cli reverse-engineers a blackbox: Google Flow. Offline checks (ruff, pyright, unit/BDD tests) verify gflow-cli's own code does what it's supposed to; they cannot verify Flow still behaves the way it was captured, because Flow is external and changes without notice (see #174). This gate enforces two things, both evidence-based (no claim without a fresh verification artifact — see the superpowers:verification-before-completion skill):

  1. Part 1 — Pre-flight, at the start of feature/fix work: confirm the checkout reflects current develop before investing effort.
  2. Part 2 — Live-verify, before claiming done (after /code-review and /ponytail:ponytail-review, before commit/PR): exercise the change against real Flow.

Full design rationale: docs/superpowers/specs/2026-07-19-live-verify-design.md.


Part 1 — Pre-flight

Run before writing any code for a new feature/fix:

git fetch origin
git rev-parse --abbrev-ref HEAD
git rev-list --count HEAD..origin/develop
git log --oneline -5

git rev-list --count HEAD..origin/develop is an asymmetric DAG set-difference — it counts commits develop has that the current HEAD lacks, regardless of HEAD's own private unmerged history. This is what catches a genuinely diverged stale branch, not just a behind-by-fast-forward one.

  • If the count is nonzero: stop. git pull (on develop) or rebase/merge (on a feature branch) before continuing.
  • If the branch's last real commit looks old relative to recent develop activity (a smell for stale WIP — e.g. missing a function/guard that develop already has): stop and surface it. Don't silently proceed, don't silently switch — name the divergence and ask the user how to proceed.
  • A separate sibling checkout is not itself a red flag — this project's workflow routinely uses sibling checkouts for isolated feature branches, and a real feature branch is supposed to differ from develop. The actual signal is "differs from develop in a way that suggests staleness" (missing something develop has), not "differs by adding new work on top of it." When in doubt, diff the specific file(s) about to be touched against origin/develop's version before assuming they match:

Read the full file on GitHub · 152 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 152 lines · 100 tokens per session scan A faf0af13961a

Subscribe to this mod's changes

live-verify is a skill published in the GitHub repository ffroliva/gflow-cli (136 stars, last pushed 3d ago), licensed MIT. It adds 100 tokens to every session and 2,025 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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