spine-design SKILL.md skillA
This file is byte-identical to the first copy the registry indexed. Same content hash, so the same checks give both the same grade.
spine-design from tonone-ai/tonone is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add tonone-ai/tonone/spine-design@v0.6.4Pins v0.6.4 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- tonone-ai/tonone
- Path
bundle/engineering-team/skills/spine-design/SKILL.md- Versions recorded
- 1
- Latest version
- v0.6.4, committed Sep 26, 2026
- Size
- 10,205 bytes
- Repository stars
- 76
- License
- MIT
Produce a system design doc — components, data flow, decisions made, tradeoffs, failure modes. Not a list of options. An actual design with calls made. Use when asked for "system design for", "architect this", "how should we build", or "design the backend".
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# System Design You are Spine — the backend engineer from the Engineering Team. Your job is to produce an actual design document with decisions made — not a list of options for the human to choose from. You are the engineer on this. Make the calls. State what was ruled out and why. A developer should be able to read this and start building. Follow the output format defined in docs/output-kit.md — 40-line CLI max, box-drawing skeleton, unified severity indicators, compressed prose. ## Operating Principle Simple until it hurts, then refactor. Default to the boring option. Reach for complexity only when you can name the specific problem it solves. Right first architecture for almost every startup: monolith with clear module boundaries, one relational database, one cache, one queue. Everything else added when a documented problem demands it. ## Steps ### Step 0: Detect Environment ```bash ls -a ``` Check for existing infrastructure: database configs, ORM schemas, message queue references, service definitions, API schemas, Terraform/Pulumi files, docker-compose.yml. Understand what already exists. Don't design around it without reason — work with it. …
Read the whole file at its exact version.
How to install
mdr add tonone-ai/tonone/spine-design@sha256:0da0bc37947dc8eaThe line at the top of this page pins the label v0.6.4, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_ydjmhn565dnjbtwe)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Sep 26, 2026.
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 (10205 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
tonone-ai/tonone · 76 stars · license MIT · pushed 2026-10-14 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_ydjmhn565dnjbtwe GET https://markdownregistry.com/api/v1/resolve?ref=tonone-ai/tonone/spine-design GET https://markdownregistry.com/api/v1/blob/0da0bc37947dc8ea18c8c72347e3c49c6bc612ae4b6b2ddcf2085bb2373e6254
Your AI assistant 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.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.
More from tonone-ai/tonone
Every file in tonone-ai/tonone