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.
npx skills add marchatton/agent-skills --skill wf-ralphgit clone --depth 1 https://github.com/marchatton/agent-skillsWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/marchatton/agent-skills/wf-ralph)<a href="https://agentmods.dev/skills/marchatton/agent-skills/wf-ralph"><img src="https://agentmods.dev/badge/skills/marchatton/agent-skills/wf-ralph/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/marchatton/agent-skills/wf-ralph"><img src="https://agentmods.dev/badge/skills/marchatton/agent-skills/wf-ralph.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00044 | $0.01424 |
| Opus 5 | $0.00022 | $0.00712 |
| Sonnet 5 | $0.00009 | $0.00285 |
| Haiku 4.5 | $0.00004 | $0.00142 |
Grade A, and why
wf-ralph 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 7d 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.
How it starts
The opening of the file, as written. The whole thing — 180 lines — stays where its author put it; the contents beside it link to each section on GitHub.
wf-ralph
Purpose
Run a "Ralph loop" using the ralph CLI.
- Keep the mental model: one story per iteration, frequent verification, small changes.
- Default agent: Codex (YOLO) unless you override
--agent. - Default task source: dossier-local Ralph PRD JSON (
prd.jsonorprd-<slug>.json). - Browser testing: YES for UI stories (default skill:
$dev-browser).
When to use
Use this skill when any of the following is true:
- You want copy-paste-ready
ralphcommands fordev | research | e2e | review | prd-gen. - You have (or want) a dossier-local Ralph PRD JSON and need to run one iteration at a time.
- You have an
@slugand need to locate the PRD JSON underdocs/04-projects/**.
Minimum questions
If any of these are missing, ask only these questions first (reply format at the end).
- Mode?
- a) dev (default)
- b) research
- c) e2e
- d) review
- e) prd-gen
- PRD location?
- a) Use
./prd.jsonif present (default) - b) pick from
./prd-*.json - c)
@slug(search underdocs/04-projects/**) - d) explicit path to PRD JSON
- Commit behavior?
- a) Commit (default)
- b)
--no-commit
Reply shorthand:
defaults(accept all defaults)- or
1c 2c @bulk-invite-members 3betc
Discovery
Determine repo root (required)
Run ralph from the repo root so .ralph/ state/logs land in the right place:
cd "$(git rev-parse --show-toplevel)"
Locate dossier PRD JSON (avoid brittle paths)
Ralph auto-discovery only scans .agents/tasks/*.json. For dossier-local PRDs, pass --prd explicitly.
Resolution order:
- If the current working directory contains
prd.json, use it. - Else if it contains
prd-*.json:
- if exactly one match, use it
- if multiple matches, ask which to use
- Else accept either:
- an
@slug(dossier folder name contains the slug), or - a relative path to a dossier folder, or
- an explicit path to a PRD JSON file
# Find PRDs and filter by slug
find docs/04-projects -type f \( -name 'prd.json' -o -name 'prd-*.json' \) | rg '<slug>'
# Example
find docs/04-projects -type f \( -name 'prd.json' -o -name 'prd-*.json' \) | rg 'bulk-invite-members'
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 7d ago First seen · 180 lines · 44 tokens per session scan A c7c0039bef90
wf-ralph is a skill published in the GitHub repository marchatton/agent-skills (5 stars, last pushed 6mo ago), licensed MIT. It adds 44 tokens to every session and 1,424 once invoked, about $0.0002 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 2026-09-03.
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