pdf-reader-mcp: Command for OpenCode

.opencode/command/saas-auth.md

saas-auth is a command for OpenCode from SylphxAI/pdf-reader-mcp. It costs 20 tokens per session (622 once invoked), scanned A, original, MIT.

A review checklist for account identity and security, covering sign-in providers, passkeys, verification, sessions, memberships, and account-protection screens. Passkeys are device-based sign-in credentials, and SSO lets users sign in through another identity provider.

In plain words
What is it for?
Use it to review SSO, WebAuthn passkeys, email and phone verification, session handling, entitlement checks, account linking, and security settings.
Why use it?
It helps prevent weak account recovery, unsafe provider linking, client-side permission checks, and broken sign-in options. It also encourages stronger protection for sensitive actions.

Command for OpenCode

Written for OpenCode: installed under .opencode/. Also seen: agent in frontmatter.

This is SylphxAI/pdf-reader-mcp's own configuration. It tells OpenCode how to work on pdf-reader-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything pdf-reader-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to SylphxAI/pdf-reader-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/SylphxAI/pdf-reader-mcp/main/.opencode/command/saas-auth.md
Clone the repo
git clone --depth 1 https://github.com/SylphxAI/pdf-reader-mcp

Made for: OpenCode.

Wrote 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.

agentmods badge for saas-auth

README.md
[![agentmods](https://agentmods.dev/badge/commands/sylphxai/pdf-reader-mcp/saas-auth.svg)](https://agentmods.dev/commands/sylphxai/pdf-reader-mcp/saas-auth)
Your own site
<a href="https://agentmods.dev/commands/sylphxai/pdf-reader-mcp/saas-auth"><img src="https://agentmods.dev/badge/commands/sylphxai/pdf-reader-mcp/saas-auth.svg" alt="Measured on agentmods" height="20"></a>
Per session 20 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 622 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00020 $0.00622
Opus 5 $0.00010 $0.00311
Sonnet 5 $0.00004 $0.00124
Haiku 4.5 $0.00002 $0.00062

Measured yesterday against content hash 2589040e1f4a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

saas-auth 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 yesterday.

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.

.opencode/command/saas-auth.md · 79 lines

How it starts

The opening of the file, as written. The whole thing — 79 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Identity & Account Security Review

Scope

Review identity systems: authentication methods, SSO providers, passkeys/WebAuthn, verification flows, session management, and account security surfaces.

Specification

Identity Providers (SSO)

  • SSO providers (minimum): Google, Apple, Facebook, Microsoft, GitHub (prioritize by audience).
  • If provider env/secrets are missing, hide the login option (no broken/disabled UI).
  • Allow linking multiple providers and safe unlinking; server-enforced and abuse-protected.

Passkeys (WebAuthn)

  • Passkeys are first-class with secure enrollment/usage/recovery.
  • Must support cross-device authentication where platform allows.

Verification

  • Email verification is mandatory baseline for high-impact capabilities.
  • Phone verification is optional and used as risk-based step-up (anti-abuse, higher-trust flows, recovery); consent-aware and data-minimizing.

Membership and Entitlements

  • Membership is entitlement-driven and server-enforced.
  • All authorization/entitlements are server-enforced; no client-trust.

Account Security Surface

  • Provide a dedicated Account Security surface.
  • Minimum acceptance criteria:
    • Session/device visibility and revocation
    • MFA/passkey management
    • Linked identity provider management
    • Key security event visibility (and export where applicable)
  • All server-enforced and auditable.

Session Management

  • Session/device visibility + revocation available to user.
  • Security event visibility with clear audit trail.
  • Recovery governance (including support-assisted recovery) with strict audit logging.
  • Step-up authentication for sensitive actions.

Password Security

  • Password UX: masked + temporary reveal option.
  • No plaintext passwords in logs/returns/storage/telemetry.
  • MFA required for Admin/SUPER_ADMIN; step-up for high-risk actions.

Domain Discovery

After reviewing compliance with spec, explore improvements:

  • Onboarding friction: Is sign-up flow optimized? Too many steps? Missing social providers for target market?
  • Security vs UX balance: Are step-up challenges appropriate? Too frequent? Too rare?
  • Recovery flows: Is account recovery secure yet accessible? Support burden from lockouts?
  • Modern auth: Are passkeys properly promoted? Is passwordless an option?
  • Trust signals: Are verified badges shown? Does verification unlock features appropriately?

Read the full file on GitHub · 79 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. yesterday First seen · 79 lines · 20 tokens per session scan A 2589040e1f4a

Subscribe to this mod's changes

saas-auth is a command published in the GitHub repository SylphxAI/pdf-reader-mcp (917 stars, last pushed today), licensed MIT. It adds 20 tokens to every session and 622 once invoked, about $0.0001 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 2026-09-06.

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