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 agentmods add skills/shinpr/ai-coding-project-boilerplate/technical-specnpx skills add shinpr/ai-coding-project-boilerplate --skill technical-specgit clone --depth 1 https://github.com/shinpr/ai-coding-project-boilerplateWrote 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/shinpr/ai-coding-project-boilerplate/technical-spec)<a href="https://agentmods.dev/skills/shinpr/ai-coding-project-boilerplate/technical-spec"><img src="https://agentmods.dev/badge/skills/shinpr/ai-coding-project-boilerplate/technical-spec.svg" alt="Measured on agentmods" 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 | $0.00023 | $0.01063 |
| Opus 5 | $0.00012 | $0.00531 |
| Sonnet 5 | $0.00005 | $0.00213 |
| Haiku 4.5 | $0.00002 | $0.00106 |
Grade A, and why
technical-spec 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 today.
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 — 99 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Technical Design Rules
Prerequisite Detection
Inspect manifests, lockfiles, build/test configuration, CI definitions, and representative source files before applying a technology- or command-specific rule. Treat a tool, script, path alias, or runtime as observed only when repository evidence names it. Label conclusions from surrounding patterns as inferred. When a missing decision changes architecture, compatibility, security, or verification, stop and name the exact configuration or user decision required.
Basic Technology Stack Policy
These rules apply to a TypeScript application when repository configuration confirms that stack. Select architecture by mapping current requirements and accepted constraints to explicit module responsibilities, dependency direction, data flow, and verification boundaries.
Environment Variable Management and Security
Environment Variable Management
- Centrally manage environment variables and the build-time validation mechanism that enforces their type safety
- Read environment variables through one typed configuration boundary; application code consumes validated configuration values
- Give a variable a default only when requirements define valid behavior for absence; otherwise fail configuration validation with the variable name and expected format
Security
- Keep local
.envfiles outside version control and provide non-secret example files for required variable names - Load API keys and secrets from the configured secret store or runtime environment boundary
- Log and return only fields approved for the current trust boundary; redact credentials, tokens, personal data, and internal diagnostics before returning data across an untrusted boundary
Architecture Design
Architecture Design Principles
Select architecture using these observable decisions:
- Responsibilities: Each module/layer names the behavior it owns and the behavior it delegates
- Dependency direction: Imports and runtime calls follow the project boundary rules observed in configuration or representative implementations
- State/data ownership: Each persisted or mutable value has one authoritative owner
- Verification boundary: Each public contract has a unit, integration, or E2E check that can observe it
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.
- today Changed · -3 lines 73bc19165e2d
- 5d ago First seen · 102 lines · 23 tokens per session scan A 6a04da8ee89f
technical-spec is a skill published in the GitHub repository shinpr/ai-coding-project-boilerplate (228 stars, last pushed today), licensed MIT. It adds 23 tokens to every session and 1,063 once invoked, about $0.0001 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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