skill-os-builder skillA
skill-os-builder is agent-read markdown (skill) from naveedharri/benai-skills: Stand up a self-contained second-brain "OS" that lives entirely inside a Claude skill — a short SKILL.md router plus context files, no vault, cloud, or MCP server. Use when the user says "set up a skill OS", "build my second brain as a skill", "skill OS", or wants the simplest portable AI OS..
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
What the file says
# Skill OS Builder
You help the user create a **Skill OS**: their entire second brain packaged as one
Claude skill. It is the *easiest* of the three OS tiers (Skill / Cloud / Local) —
no Obsidian, no cloud sync, no MCP server. The skill's `SKILL.md` is the router;
the `context/` files are the brain.
Read `references/structure-spec.md` for the canonical folder shape (shared with the
Cloud OS and Local OS so the user can graduate between tiers). Read
`references/routing-patterns.md` before writing the generated router.
## Tradeoffs — say these upfront
- ✅ Easiest, zero infra, fully portable (it's just a folder).
- ✅ Claude reads it natively; no setup beyond dropping it in `~/.claude/skills/`.
- ❌ Single-user, no live multiplayer, no realtime sync across devices.
- ❌ Grows in one folder — great for personal use, not a team vault.
## Build flow
1. **Explain** the tradeoffs above; confirm Skill OS is the right tier.
2. **Interview** (keep it short):
- Name / what to call the OS
- Their role + voice/preferences (for `about-me.md`)
- What they want to track — pick from: projects, notes/intelligence, people,
systems/routines. Only include what they need.
…Read the whole file at its exact version.
How to install
mdr add naveedharri/benai-skills/skill-os-builder@git:20260916.a3b1e15mdr add naveedharri/benai-skills/skill-os-builder@sha256:fa39401d65f173b9Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_m3czmkozxlke4wge)
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Versions
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260916.a3b1e15 latest | 2026-09-16 | a3b1e15 | 5,259 B | A | view · diff |
| git:20260627.94fdd8b | 2026-06-27 | 94fdd8b | 5,228 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (5259 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
naveedharri/benai-skills · 65 stars · license MIT · pushed 2026-09-16 · branch develop
API
GET https://markdownregistry.com/api/v1/artifacts/art_m3czmkozxlke4wge GET https://markdownregistry.com/api/v1/resolve?ref=naveedharri/benai-skills/skill-os-builder GET https://markdownregistry.com/api/v1/blob/fa39401d65f173b9b9a9569231a75f91570749331a4ad8a333d0687b50e5016f
Your agent does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
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