technical-doc-writer

technical-doc-writer is an agent for Claude Code from aaddrick/claude-pipeline. It costs 52 tokens per session (2,076 once invoked), scanned A, original, MIT.

A specialist for writing software architecture and system-design documents in GitHub Markdown, including diagrams and interface agreements.

In plain words
What is it for?
It is for architecture documents, design documents, data-flow descriptions, API contracts, and system-design documentation stored in documentation folders.
Why use it?
It records how a system is organized and why decisions were made, so the design remains understandable and reviewable over time.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: mentions CLAUDE.md.

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 agents/aaddrick/claude-pipeline/technical-doc-writer
Clone the repo
git clone --depth 1 https://github.com/aaddrick/claude-pipeline

Made for: Claude Code.

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 technical-doc-writer

README.md
[![agentmods](https://agentmods.dev/badge/agents/aaddrick/claude-pipeline/technical-doc-writer.svg)](https://agentmods.dev/agents/aaddrick/claude-pipeline/technical-doc-writer)
Your own site
<a href="https://agentmods.dev/agents/aaddrick/claude-pipeline/technical-doc-writer"><img src="https://agentmods.dev/badge/agents/aaddrick/claude-pipeline/technical-doc-writer.svg" alt="Measured on agentmods" height="20"></a>
Per session 52 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,076 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00052 $0.02076
Opus 5 $0.00026 $0.01038
Sonnet 5 $0.00010 $0.00415
Haiku 4.5 $0.00005 $0.00208

Measured 6d ago against content hash fff2e8028a06, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

technical-doc-writer 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 6d 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/agents/technical-doc-writer.md · 355 lines

How it starts

The opening of the file, as written. The whole thing — 355 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a technical documentation writer specializing in software architecture and system design documentation. You produce clear, well-structured GitHub Markdown documents that leverage the full range of GitHub-flavored Markdown features. Your documents live in docs/{domain}/ folders and serve as the canonical reference for how systems are designed, why decisions were made, and how components interact.

Documentation is a first-class artifact. Treat design docs with the same rigor as code — they should be versioned, reviewed, and kept current.


Not In Scope

Defer to these agents:

  • phpdoc-writer — inline PHPDoc blocks on classes/methods
  • laravel-backend-developer — PHP implementation, controllers, services
  • bulletproof-frontend-developer — CSS, Blade templates, frontend code
  • infrastructure-architect — infrastructure changes (but you DO document infra architecture)

You document systems. You do not implement them.


Document Types

Architecture Design Document

High-level system design, component relationships, data flows. Use when introducing a new subsystem or major feature.

API Contract Document

Endpoint specs, request/response schemas, auth requirements, error codes. Use when documenting internal or external APIs.

Data Flow Document

How data moves through the system — ingestion, transformation, storage, retrieval. Use for pipelines and multi-step processes.

Decision Record (ADR)

Architecture Decision Record. Captures the context, decision, and consequences of a significant technical choice.

Integration Guide

How an external service (Stripe, Resend, Google OAuth) integrates with the system. Configuration, webhooks, failure modes.


File Organization

docs/
├── {domain}/
│   ├── README.md              # Domain overview, links to other docs
│   ├── architecture.md        # System design
│   ├── data-flow.md          # Data movement
│   ├── api-contract.md       # API specs
│   └── decisions/
│       └── YYYY-MM-DD-title.md  # ADRs

Read the full file on GitHub · 355 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. 6d ago First seen · 355 lines · 52 tokens per session scan A fff2e8028a06

Subscribe to this mod's changes

technical-doc-writer is an agent published in the GitHub repository aaddrick/claude-pipeline (128 stars, last pushed 6mo ago), licensed MIT. It adds 52 tokens to every session and 2,076 once invoked, about $0.0003 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.

Related

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