design-blueprint

design-blueprint is a skill for Claude Code from techygarg/lattice. It costs 140 tokens per session (2,510 once invoked), scanned A, original, MIT.

A guided design process that turns a feature idea into an agreed technical plan. It covers what the system should do, its parts, interactions, boundaries, and data concepts.

In plain words
What is it for?
Use it to define feature capabilities, components, interactions, architecture, and domain concepts such as entities and events, then produce a blueprint for development.
Why use it?
It helps a team make important design decisions explicitly before implementation and keeps those decisions connected to the project context.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the lattice plugin — 33 skills, 1 agent shipped together

Good fit Use it to define feature capabilities, components, interactions, architecture, and domain concepts such as entities and events, then produce a blueprint for development.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/techygarg/lattice/design-blueprint
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.

Any agent
npx skills add techygarg/lattice --skill design-blueprint
Clone the repo
git clone --depth 1 https://github.com/techygarg/lattice

Made for: Claude Code.

Or install lattice, the plugin that ships this one along with the rest of its 33 skills, 1 agent.

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 design-blueprint

README.md
[![agentmods](https://agentmods.dev/badge/skills/techygarg/lattice/design-blueprint/github.svg)](https://agentmods.dev/skills/techygarg/lattice/design-blueprint)
Your own site
<a href="https://agentmods.dev/skills/techygarg/lattice/design-blueprint"><img src="https://agentmods.dev/badge/skills/techygarg/lattice/design-blueprint/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.

agentmods 80×15 button for design-blueprint

Your own site · 80×15
<a href="https://agentmods.dev/skills/techygarg/lattice/design-blueprint"><img src="https://agentmods.dev/badge/skills/techygarg/lattice/design-blueprint.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 140 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,510 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00140 $0.02510
Opus 5 $0.00070 $0.01255
Sonnet 5 $0.00028 $0.00502
Haiku 4.5 $0.00014 $0.00251

Measured 9d ago against content hash 8c323db6d923, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

design-blueprint 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 9d 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.

skills/design-blueprint/SKILL.md · 101 lines

How it starts

The opening of the file, as written. The whole thing — 101 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Design Blueprint

Required Skills

Read and apply in order before Step 1:

  1. framework:knowledge-priming -- Load the project knowledge base so every decision grounds in the real project. (always)
  2. framework:context-anchoring -- Create or load the feature's living context doc (Create / Load / Enrich behaviors). (always)
  3. framework:learning-harvest -- Load prior operational learnings at session start; harvest new ones at session end. (always)
  4. framework:collaborative-judgment -- Surface genuine judgment calls as structured options instead of silently assuming. (always)
  5. framework:design-first -- Owns the 5-level methodology. Its Entry Assessment, Complexity Calibration, Simplicity Check, and Level Completion Protocol govern Step 2. (Step 2)
  6. framework:architecture -- Validate components, layers, dependency direction, and boundary rules (design mode). (Levels 2-4)
  7. framework:domain-driven-design -- Model aggregates, entities, value objects, events, and contracts (design mode). (Levels 2-4)

Workflow

Step 1: Establish Context

  1. Run framework:learning-harvest Load behavior. Focus hint: "design session — focus: design patterns, reliability, structural health".

  2. Set up the feature's living doc with framework:context-anchoring:

    • Discover: scan .lattice/context/ for an existing anchor doc matching the feature name or frontmatter.
    • Found → Load behavior. Present the structured acknowledgment: feature name, status, decision count, open questions, constraints. Then run the resume check below.
    • Not found → Create behavior. Confirm the feature name, summary, and requirement doc link with the user before creating. Then begin Step 2 — the Entry Assessment sets the entry level.
  3. Resume check (when a doc was found) — derive the earliest incomplete step from the doc itself. STOP: Never re-walk agreed work:

    • status: approved → design is finished. Say so and stop; suggest /code-forge.
    • No sections starting ## Design: Level → start Step 2 at Level 1.
    • Some levels persisted → summarize the approved levels briefly, then resume at the first missing level at or after the recorded entry level (the [Entry] Decisions Log entry; older docs without one → treat entry as Level 1).
    • Every level from entry through Level 4 persisted, but no ## Design Summary, or statusapproved → go directly to Step 3.

Read the full file on GitHub · 101 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. 9d ago First seen · 101 lines · 140 tokens per session scan A 8c323db6d923

Subscribe to this mod's changes

design-blueprint is a skill published in the GitHub repository techygarg/lattice (186 stars, last pushed 2d ago), licensed MIT. It adds 140 tokens to every session and 2,510 once invoked, about $0.0007 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 2026-08-30.

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