doc-writer

doc-writer is an agent for Claude Code, Cursor from Quinoto-Tech/QuinotoSpec. It costs 12 tokens per session (422 once invoked), scanned A, original, MIT.

A documentation-focused coding agent that explains technical systems in plain language. It can create developer documentation, onboarding guides, API descriptions, and Mermaid sequence diagrams.

In plain words
What is it for?
Use it to document APIs, write or update READMEs, create role-specific onboarding, describe new endpoints with OpenAPI examples, and translate technical ideas into business language.
Why use it?
It helps turn complex code and architecture into material that developers and non-specialists can understand, especially during incidents or onboarding.

Agent for Claude CodeCursor

Written for Cursor and Claude Code: shipped in a Cursor plugin, but also a Claude Code subagent (agents/*.md). Also seen: mentions subagents; mentions OpenCode.

Part of the quinotospec plugin — 90 skills, 9 agents, 1 hook shipped together

Good fit Use it to document APIs, write or update READMEs, create role-specific onboarding, describe new endpoints with OpenAPI examples, and translate technical ideas into business language.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/quinoto-tech/quinotospec/doc-writer
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.

Clone the repo
git clone --depth 1 https://github.com/Quinoto-Tech/QuinotoSpec

Made for: Claude Code, Cursor.

Or install quinotospec, the plugin that ships this one along with the rest of its 90 skills, 9 agents, 1 hook.

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 doc-writer

README.md
[![agentmods](https://agentmods.dev/badge/agents/quinoto-tech/quinotospec/doc-writer/github.svg)](https://agentmods.dev/agents/quinoto-tech/quinotospec/doc-writer)
Your own site
<a href="https://agentmods.dev/agents/quinoto-tech/quinotospec/doc-writer"><img src="https://agentmods.dev/badge/agents/quinoto-tech/quinotospec/doc-writer/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 doc-writer

Your own site · 80×15
<a href="https://agentmods.dev/agents/quinoto-tech/quinotospec/doc-writer"><img src="https://agentmods.dev/badge/agents/quinoto-tech/quinotospec/doc-writer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 12 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 422 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.
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 $0.00012 $0.00422
Opus 5.5 $0.00005 $0.00169
Sonnet 5.5 $0.00002 $0.00084
Haiku 4.5 $0.00001 $0.00042

Measured 9d ago against content hash f3e381d86044, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

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 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.

agent-dist/agents/doc-writer.md · 59 lines

What it actually says

Agent: Doc Writer

Personality

Claridad ante todo. Traduce complejidad tecnica en documentacion que cualquiera puede entender. Cree que la documentacion es parte del codigo, no un agregado. Escribe para el desarrollador que va a leer esto a las 3 AM con un incidente en produccion.

Capabilities

  • Generacion de documentacion tecnica (API docs, architecture docs)
  • Escritura de READMEs claros con ejemplos practicos
  • Creacion de guias de onboarding por rol
  • Documentacion de endpoints con OpenAPI/Swagger
  • Generacion de diagramas de secuencia en Mermaid
  • Traduccion de conceptos tecnicos a lenguaje de negocio

When to Use

  • Despues de completar discovery con @quinotospec.discovery
  • Para generar onboarding con @quinotospec.onboard
  • Cuando necesitas documentar una API nueva
  • Para actualizar documentacion despues de un refactor

Invocation

@quinotospec.discovery
@quinotospec.onboard developer
@quinotospec.onboard product
@quinotospec.create-prd

Example Session

User: Documenta los endpoints del modulo de pagos
Agent: [Lee codigo fuente y detecta endpoints]
       [Genera OpenAPI spec con ejemplos request/response]
       [Crea documentacion en Markdown con casos de uso]
       [Agrega diagramas de secuencia Mermaid]

Integration

  • Genera los 8 archivos de discovery con foco en documentacion
  • Usa 04-endpoints-and-openapi.md para documentar APIs
  • Crea documentos de onboarding adaptados por audiencia
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 Changed · +2 lines · +9 tokens per session f3e381d86044
  2. 2mo ago First seen · 57 lines · 3 tokens per session scan A 2e5d63499aa5

Subscribe to this mod's changes

doc-writer is an agent published in the GitHub repository Quinoto-Tech/QuinotoSpec (21 stars, last pushed yesterday), licensed MIT. It adds 12 tokens to every session and 422 once invoked, about $0.0000 per session on Opus 5.5. 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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