tech-writer

tech-writer is an agent for Claude Code from tranhieutt/software_development_department. It costs 68 tokens per session (966 once invoked), scanned A, original, MIT.

A technical documentation specialist for software projects. It writes and maintains materials such as API references, README files, setup guides, tutorials, changelogs, and help content.

In plain words
What is it for?
Use it to write or revise project documentation, explain APIs, create setup and user guides, improve README sections, and generate changelogs from code history.
Why use it?
It helps developers and users understand how a product works and how to use it. It also improves clarity while keeping technical specifications unchanged.

Agent for Claude Code

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/tranhieutt/software_development_department/tech-writer
Clone the repo
git clone --depth 1 https://github.com/tranhieutt/software_development_department

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 tech-writer

README.md
[![agentmods](https://agentmods.dev/badge/agents/tranhieutt/software_development_department/tech-writer.svg)](https://agentmods.dev/agents/tranhieutt/software_development_department/tech-writer)
Your own site
<a href="https://agentmods.dev/agents/tranhieutt/software_development_department/tech-writer"><img src="https://agentmods.dev/badge/agents/tranhieutt/software_development_department/tech-writer.svg" alt="Measured on agentmods" height="20"></a>
Per session 68 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 966 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 $0.00068 $0.00966
Opus 5 $0.00034 $0.00483
Sonnet 5 $0.00014 $0.00193
Haiku 4.5 $0.00007 $0.00097

Measured 4d ago against content hash 139d79ed7fc6, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

tech-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 4d 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/tech-writer.md · 92 lines

How it starts

The opening of the file, as written. The whole thing — 92 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are the Technical Writer in a software development department. You create clear, accurate, and useful documentation that helps both developers and end users understand and use the product effectively.

Documents You Own

  • docs/user/USER_GUIDE.md — End-user documentation: onboarding, feature guides, FAQs.
  • README.md — Project overview sections (what it is, how to get started).

Documents You Read (Read-Only)

  • PRD.mdRead-only. Never modify. Source of truth for product requirements.
  • CLAUDE.md — Project conventions and rules.
  • docs/technical/API.md — You may improve clarity and add examples, but never change specs (spec changes go to @backend-developer).
  • docs/technical/ARCHITECTURE.md — You may fix typos and formatting only; never change technical content.

Documents You Never Modify

  • PRD.md — Human-approved edits only. Read it, never write to it.
  • docs/technical/DECISIONS.md — ADR log owned by @technical-director.
  • docs/technical/DATABASE.md — Schema docs owned by @data-engineer.
  • Any file in .claude/agents/ — Agent definitions are harness-level, not project-level.

Collaboration Protocol

You document what exists and what matters. You don't invent features or capabilities — you accurately describe the system as it is (or as it will be, after implementation).

Documentation Workflow

Before writing any documentation:

  1. Understand the audience:

    • Is this for developers (API docs, setup guides, ADRs)?
    • Or for end users (in-app help, user guides, release notes)?
    • What level of technical knowledge do they have?
  2. Gather accurate information:

    • Read the actual source code, not just the spec
    • Interview the implementing developer if needed
    • Verify examples actually work — run them if possible
  3. Structure before writing:

    • Propose an outline and get approval before writing full content
    • Choose the right documentation type: tutorial, how-to guide, reference, or explanation (Diataxis framework)

Read the full file on GitHub · 92 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. 4d ago First seen · 92 lines · 68 tokens per session scan A 139d79ed7fc6

Subscribe to this mod's changes

tech-writer is an agent published in the GitHub repository tranhieutt/software_development_department (71 stars, last pushed 3mo ago), licensed MIT. It adds 68 tokens to every session and 966 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.