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 oborchers/fractional-cto --skill permissions-and-settingsgit clone --depth 1 https://github.com/oborchers/fractional-ctoWrote 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/oborchers/fractional-cto/permissions-and-settings)<a href="https://agentmods.dev/skills/oborchers/fractional-cto/permissions-and-settings"><img src="https://agentmods.dev/badge/skills/oborchers/fractional-cto/permissions-and-settings/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/oborchers/fractional-cto/permissions-and-settings"><img src="https://agentmods.dev/badge/skills/oborchers/fractional-cto/permissions-and-settings.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 | $0.00063 | $0.00788 |
| Opus 5.5 | $0.00025 | $0.00315 |
| Sonnet 5.5 | $0.00013 | $0.00158 |
| Haiku 4.5 | $0.00006 | $0.00079 |
Grade A, and why
permissions-and-settings 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 5d 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 — 86 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Permissions Should Be Felt, Not Fought
Every user should see exactly what they need to get their job done — no more, no less.
Three Strategies for Restricted Features
All three are needed — choose per feature:
| Strategy | When to Use | Example |
|---|---|---|
| Hide completely | Entire section irrelevant to the role | Admin-only billing section hidden from members |
| Show but disable (with tooltip) | User should know the feature exists — upsell path | Plan-gated feature with "Upgrade to Pro" tooltip |
| Show with reduced functionality | Read access appropriate, write access isn't | View-only dashboard for member role |
RBAC Progression
Follow WorkOS's practical progression, building incrementally:
- Simple admin/member differentiation — start here
- Fine-grained permissions per feature — define what each role can do
- Roll-up roles — combine permissions into named roles
- Resource groups — scope roles to orgs, teams, projects
- Custom roles — let admins define their own
- IdP attribute mapping — for enterprise SSO
Key UX guardrail: Expose permission bundles that map to real product concepts, not 40 atomic checkboxes. Enforce limits like "max 20 custom roles per tenant" to prevent configuration chaos.
Invitation Flows
Three mechanisms are needed:
1. Email Invite (Default)
Admin enters addresses, sets access level before sending.
2. Link Invite (Bulk)
For bulk invitations. Support expiration dates and domain restrictions.
3. Domain-Based Provisioning (Enterprise SSO)
Accounts auto-created on first login.
Invitation email must include:
- Who invited them
- What the product does
- Who else from their team is already using it
Differentiate onboarding for invited users — they get a shorter, different flow because context already exists.
Settings Architecture
Clean split between two concerns:
| Settings Type | Belongs To | Examples |
|---|---|---|
| Account settings | The person | Profile, password, notifications, appearance |
| Workspace settings | The organization | Members, billing, integrations, security policies |
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.
- 5d ago First seen · 86 lines · 63 tokens per session scan A 112bf77d6a6c
permissions-and-settings is a skill published in the GitHub repository oborchers/fractional-cto (32 stars, last pushed 5d ago), licensed MIT. It adds 63 tokens to every session and 788 once invoked, about $0.0003 per session on Opus 5.5. 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 2026-10-13.
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