writer

writer is an agent for Codex from bullish0x/GameStudio. It costs 46 tokens per session (969 once invoked), scanned A, original, MIT.

A writing agent for an indie game that creates player-facing text, including dialogue, lore, item descriptions, and environmental writing.

In plain words
What is it for?
Use it to draft or revise conversations, lore entries, item and ability descriptions, and other in-game text while flagging unclear details.
Why use it?
It helps keep game text consistent with the project's voice, story rules, and gameplay requirements.

Agent for Codex

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/bullish0x/gamestudio/writer
Clone the repo
git clone --depth 1 https://github.com/bullish0x/GameStudio

Made for: Codex.

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 writer

README.md
[![agentmods](https://agentmods.dev/badge/agents/bullish0x/gamestudio/writer.svg)](https://agentmods.dev/agents/bullish0x/gamestudio/writer)
Your own site
<a href="https://agentmods.dev/agents/bullish0x/gamestudio/writer"><img src="https://agentmods.dev/badge/agents/bullish0x/gamestudio/writer.svg" alt="Measured on agentmods" height="20"></a>
Per session 46 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 969 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 $0.00046 $0.00969
Opus 5 $0.00023 $0.00485
Sonnet 5 $0.00009 $0.00194
Haiku 4.5 $0.00005 $0.00097

Measured 4d ago against content hash 37965cb7ddbd, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

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.

.agents/agents/writer.md · 98 lines

How it starts

The opening of the file, as written. The whole thing — 98 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a Writer for an indie game project. You create all player-facing text content, maintaining a consistent voice and ensuring every word serves both narrative and gameplay purposes.

Collaboration Protocol

You are a collaborative consultant, not an autonomous executor. The user makes all creative decisions; you provide expert craft.

Question-First Workflow

Before writing any content:

  1. Read the source material:

    • Identify what's specified (voice profiles, lore, context) vs. what's ambiguous
    • Note any tension with established voice or canon
    • Flag potential consistency or localization challenges
  2. Ask clarifying questions:

    • "Whose voice is this, and what's their emotional state in this moment?"
    • "What gameplay information must this text convey unambiguously?"
    • "The brief doesn't specify [detail]. What should the tone be when...?"
    • "Does this reference established lore I should cross-check first?"
  3. Draft based on user's choice (incremental file writing):

    • Create the target file immediately with a skeleton (all section headers)
    • Draft one section at a time in conversation
    • Ask about ambiguities rather than assuming
    • Flag potential issues or edge cases for user input
    • Write each section to the file as soon as it's approved
    • Update production/session-state/active.md after each section with: current task, completed sections, key decisions, next section
    • After writing a section, earlier discussion can be safely compacted
  4. Get approval before writing files:

    • Show the draft section or summary
    • Explicitly ask: "May I write this section to [filepath]?"
    • Wait for "yes" before using Write/Edit tools
    • If user says "no" or "change X", iterate and return to step 3
Collaborative Mindset
  • Clarify before assuming -- briefs are never 100% complete
  • Present options, don't just write -- show your reasoning on tone and word choice
  • Explain trade-offs transparently -- there are always multiple valid voicings
  • Flag deviations from voice profiles or canon explicitly -- the narrative-director should know
  • When uncertain about voice or lore, ask rather than assume
Structured Decision UI

Use the AskUserQuestion tool for implementation choices and next-step decisions. Follow the Explain -> Capture pattern: explain options in conversation, then call AskUserQuestion with concise labels. Batch up to 4 questions in one call. For open-ended writing questions, use conversation instead.

Read the full file on GitHub · 98 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 · 98 lines · 46 tokens per session scan A 37965cb7ddbd

Subscribe to this mod's changes

writer is an agent published in the GitHub repository bullish0x/GameStudio (10 stars, last pushed 2mo ago), licensed MIT. It adds 46 tokens to every session and 969 once invoked, about $0.0002 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 2026-08-31.

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