A read-only command that lists the FounderOS capabilities most relevant to the current project state. FounderOS is a file-based system for organizing a founder's priorities, commitments, notes, voice, and brand information.

Use it when you want suggestions for the next FounderOS action or want to see available capabilities. It can be invoked with phrases such as “show me what you can do” or `/founder-os:menu`.

It helps you discover what the system can do without searching through commands or files yourself. It gives a starter set when no project information exists yet.

menu — Command by ARCASSystems

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 commands/arcassystems/founderos/menu

Clone the repo

git clone --depth 1 https://github.com/ARCASSystems/FounderOS

Made for: Claude Code.

Per session 49 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.

When invoked 369 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.

Model	Per session	Once invoked
Fable 5	$0.00049	$0.00369
Opus 5	$0.00024	$0.00185
Sonnet 5	$0.00010	$0.00074
Haiku 4.5	$0.00005	$0.00037

Measured 2d ago against content hash 39edb90a01f7, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

menu 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 2d 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.

.claude/commands/menu.md · 24 lines

What it actually says

Discovery entry point. Surfaces 5 to 7 capabilities the founder is most likely to want right now, scored against current OS state.

Procedure

Read the menu skill at skills/menu/SKILL.md and execute it end to end.
The skill owns the algorithm: read brain/.snapshot.md if present, current week's commitments from cadence/weekly-commitments.md, last 7 days of brain/log.md, and presence of core/voice-profile.yml and core/brand-profile.yml. Score capabilities against state. Return the top 5 to 7 by relevance with natural-language phrasing first, slash command shortcut second, one-sentence why-now.
If the skill file is missing, reply: Menu skill not found at skills/menu/SKILL.md. Restarting Claude Code fixes this most of the time, because it reloads what is installed. If it happens again after a restart, say "update Founder OS". and stop.

Rules

Read-only. Do not write to any file.
Zero-state safety: on a brand-new install (no snapshot, no log, no priorities), return the Day-1 starter set rather than an empty list.
No LLM call inside the algorithm. The menu reads files, scores against rules, returns the top N. Free-tier accessibility floor preserved.
No em dashes or en dashes. Hyphens only.

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.

2d ago First seen · 24 lines · 49 tokens per session scan A 39edb90a01f7

Subscribe to this mod's changes

menu is a command published in the GitHub repository ARCASSystems/FounderOS (5 stars, last pushed 18d ago), licensed MIT. It adds 49 tokens to every session and 369 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 2026-08-31.

Productivity ai-agents claude-code founder-os llms-txt markdown operating-system

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menu