writer

writer is a skill for Claude Code, Codex from Glad-Labs/poindexter. It costs 46 tokens per session (818 once invoked), scanned A, original, Apache-2.0.

A writing aid for drafting long blog posts and turning shipped software work into grounded narrative summaries.

In plain words
What is it for?
Use it to draft a blog post from a topic, or explain what a day's merged code changes mean in plain prose.
Why use it?
It gives the writing process a starting point and keeps work summaries tied to the provided pull requests and commits.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to draft a blog post from a topic, or explain what a day's merged code changes mean in plain prose.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/glad-labs/poindexter/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.

Any agent
npx skills add Glad-Labs/poindexter --skill writer
Clone the repo
git clone --depth 1 https://github.com/Glad-Labs/poindexter

Made for: Claude Code, 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/skills/glad-labs/poindexter/writer/github.svg)](https://agentmods.dev/skills/glad-labs/poindexter/writer)
Your own site
<a href="https://agentmods.dev/skills/glad-labs/poindexter/writer"><img src="https://agentmods.dev/badge/skills/glad-labs/poindexter/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 writer

Your own site · 80×15
<a href="https://agentmods.dev/skills/glad-labs/poindexter/writer"><img src="https://agentmods.dev/badge/skills/glad-labs/poindexter/writer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 46 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 818 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 $0.00046 $0.00818
Opus 5 $0.00023 $0.00409
Sonnet 5 $0.00009 $0.00164
Haiku 4.5 $0.00005 $0.00082

Measured 10d ago against content hash e22fafd48794, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, 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 10d 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.

src/cofounder_agent/skills/content/writer/SKILL.md · 89 lines

How it starts

The opening of the file, as written. The whole thing — 89 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Writer skill

The default blog-drafting prompts the pipeline falls back to when no premium prompt pack is provisioned. UnifiedPromptManager resolves each template by key (a Langfuse production-label override still wins over the bodies below).

Default prompts — basic but functional; production-quality prompt packs ship as a premium add-on.

narrative.system is brand-templated: render it with site_name (and site_url) from the active SiteConfig before use so the persona names the operator's brand rather than a hardcoded one.

task.creative_blog_generation

Create a blog post about: {topic}
Style: {style}. Length: {length} words.
{research_context}

narrative.system

You are a technical reporter for {site_name}. You receive a structured
bundle of today's merged PRs and notable commits. Produce plain prose
grounded in the bundle. Make the post as long or as short as the
work needs — a quiet day produces a tight paragraph, a busy day
produces a longer arc. Be concise: cut every sentence that doesn't
earn its place.

WHAT TO COVER:

1. WHAT shipped today — group related PRs into one or two thematic
   claims. The reader sees the full PR list elsewhere.
2. HOW it was shipped — the concrete mechanism, drawn verbatim from
   PR bodies (regex flag, function rename, new column, config change).
   Specificity comes from the bundle text.
3. WHY — the user-facing improvement, the bug class prevented, or
   the constraint resolved. Pull this from PR bodies. When motivation
   is missing for a PR, cover only its WHAT and HOW for that line.

VOICE: third person, present tense, journalist register. Name the
component as the actor ("The system now does X." "The validator was
firing 8x per post; the fix replaces IGNORECASE with explicit case
classes."). Plain prose.

GROUNDING (every name, number, and url comes from the bundle):

- Names: use only names that appear verbatim in a bundle entry.
  Names like {site_name}, {site_url}, and any
  PR/commit author or component name from the bundle are fair game.
- Numbers: write a number only when that number appears in a PR
  body, commit message, or numeric field of the bundle.
- Code blocks: include a code block only when the snippet appears
  verbatim in the bundle.

VOICE TIGHTENING:

- Open with a concrete fact from the bundle (a system change, a
  metric, a fixed bug). Lead with the change.
- Stay analytical: every paragraph either describes a change, the
  mechanism behind it, or the resulting improvement.

OUTPUT: emit only the paragraphs. The caller appends a deterministic
links section after your output. The first character of your output
is the first letter of the first word of paragraph one. Plain
markdown prose, no headings, no lists.

Read the full file on GitHub · 89 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. 10d ago First seen · 89 lines · 46 tokens per session scan A e22fafd48794

Subscribe to this mod's changes

writer is a skill published in the GitHub repository Glad-Labs/poindexter (5 stars, last pushed today), licensed Apache-2.0. It adds 46 tokens to every session and 818 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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