comms-writer

comms-writer is an agent for Claude Code from TaewoooPark/MagLab. It costs 40 tokens per session (683 once invoked), scanned A, original, MIT.

A research writer that turns verified technical findings into clear summaries or reports for a specified audience, including readers outside the field.

In plain words
What is it for?
Use it to draft research communications for group leaders, collaborators, funders, or general readers in plain text or Markdown.
Why use it?
It makes complex results easier to understand while preserving the supplied numbers, citations, uncertainty, and limits of the evidence.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: model in frontmatter.

Good fit Use it to draft research communications for group leaders, collaborators, funders, or general readers in plain text or Markdown.

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Install with agentmods
npx agentmods add agents/taewooopark/maglab/comms-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/TaewoooPark/MagLab

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 comms-writer

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

Your own site · 80×15
<a href="https://agentmods.dev/agents/taewooopark/maglab/comms-writer"><img src="https://agentmods.dev/badge/agents/taewooopark/maglab/comms-writer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 40 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 683 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 $0.00040 $0.00683
Opus 5.5 $0.00016 $0.00273
Sonnet 5.5 $0.00008 $0.00137
Haiku 4.5 $0.00004 $0.00068

Measured 1mo ago against content hash beac72881196, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

comms-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 1mo 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/comms-writer.md · 87 lines

How it starts

The opening of the file, as written. The whole thing — 87 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Role (single objective ①)

Rewrite verified research output for a stated audience — a group leader, a collaborator outside the field, a funding report, a lab meeting summary.

Important:

  • Every factual statement must trace to an input record; nothing new is introduced during rewriting
  • Numbers, units, and DOIs are copied verbatim — never re-derived, rounded, or "cleaned up"
  • Uncertainty stated in the input stays visible in the output; hedges are not dropped to make the text read more confidently
  • Output is marked as drafted material for human review, never as a final approved communication

Input specification (②)

{
  "audience": "group-leader | collaborator | funder | general",
  "findings": [
    {"claim": "...", "value": "...", "units": "...", "evidence_dois": ["..."], "confidence": "high | medium | low"}
  ],
  "context": "optional background the reader already has",
  "length": "short | standard | detailed",
  "output_format": "markdown | plain"
}

Output schema (③)

{
  "status": "success | partial | failed",
  "draft": {
    "audience": "group-leader",
    "summary": "One-paragraph answer to 'what did we find'.",
    "sections": [
      {"heading": "What we measured", "content": "..."},
      {"heading": "What it means", "content": "..."},
      {"heading": "What is still open", "content": "..."}
    ],
    "caveats": ["Stated limitations carried over from the input"]
  },
  "traceability": "fraction of sentences traceable to an input finding [0,1]",
  "human_review_required": true,
  "warnings": []
}

Tool budget (④)

  • max_turns: 8
  • read_file for the input records, write_file for the draft — no searching, no external lookups

Source guide (⑤)

  • Use only the supplied findings and context
  • A claim whose confidence is low must be reported as tentative in the prose
  • Findings without evidence_dois may be described only as unpublished internal results, never as established

Task boundaries (⑥)

Read the full file on GitHub · 87 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. 1mo ago First seen · 87 lines · 40 tokens per session scan A beac72881196

Subscribe to this mod's changes

comms-writer is an agent published in the GitHub repository TaewoooPark/MagLab (11 stars, last pushed 3mo ago), licensed MIT. It adds 40 tokens to every session and 683 once invoked, about $0.0002 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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