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 Firstp1ck/pi-coding-agent-forge --skill shoo-authgit clone --depth 1 https://github.com/Firstp1ck/pi-coding-agent-forgeWrote 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/firstp1ck/pi-coding-agent-forge/shoo-auth)<a href="https://agentmods.dev/skills/firstp1ck/pi-coding-agent-forge/shoo-auth"><img src="https://agentmods.dev/badge/skills/firstp1ck/pi-coding-agent-forge/shoo-auth/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/firstp1ck/pi-coding-agent-forge/shoo-auth"><img src="https://agentmods.dev/badge/skills/firstp1ck/pi-coding-agent-forge/shoo-auth.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00075 | $0.02803 |
| Opus 5.5 | $0.00030 | $0.01121 |
| Sonnet 5.5 | $0.00015 | $0.00561 |
| Haiku 4.5 | $0.00007 | $0.00280 |
Grade A, and why
shoo-auth scanned grade A with 1 finding 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 1mo 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -fsS https://shoo.dev/.well-known/openid-configuration How it starts
The opening of the file, as written. The whole thing — 214 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Shoo Auth
Deterministic workflow for deciding when Shoo fits and for applying it safely. This draft is not enabled automatically.
Primary reference snapshot: references/shoo-docs-summary.md. Refresh the live Shoo docs before high-stakes or production decisions.
When to Use
Use this skill when the task mentions any of:
- Shoo, shoo.dev,
@shoojs/auth,@shoojs/react,window.Shoo,shoo.js, orpairwise_sub. - Adding minimal Google sign-in to a browser app without Google client registration.
- Choosing between Shoo React, vanilla JS, framework-agnostic, hosted-script, or Convex integration.
- Implementing or reviewing Shoo callback handling, PKCE flow, session/revocation checks, or server-side
id_tokenverification. - Debugging Shoo audience, callback, storage, Convex JWT, or missing-PII issues.
Do not use this skill as the primary workflow for unrelated auth providers or generic OAuth/OIDC work, except to explicitly decide that Shoo is not a fit.
Do Not Use / Escalate
Do not recommend Shoo as the sole answer when requirements include:
- Non-Google identity providers, passwords, enterprise SSO/SAML/SCIM, or rich hosted user management.
- Server-only auth without a browser redirect flow.
- Production authorization based only on browser-local identity, localStorage, or decoded-but-unverified JWT claims.
- Security/compliance-critical auth where maturity, SLAs, audit evidence, or operational ownership must be established first.
When any of these apply, state the mismatch and either ask whether Shoo is still mandatory or recommend comparing established auth providers.
Inputs and Assumptions
Before changing code, determine these from the user or the project:
- Frontend shape: React, Next.js, vanilla/static, Convex, or another browser client.
- App origin for each environment, e.g.
http://localhost:3000andhttps://app.example.com. - Callback path and whether that path is served by the app/router.
- Server/runtime that will verify Shoo
id_tokens. - Whether PII (
email,name,picture) is actually needed. - Package manager and existing auth/session conventions.
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.
- 1mo ago First seen · 214 lines · 75 tokens per session scan A 06609d7f7fd4
shoo-auth is a skill published in the GitHub repository Firstp1ck/pi-coding-agent-forge (91 stars, last pushed yesterday), licensed MIT. It adds 75 tokens to every session and 2,803 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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