summarizer

summarizer is an agent for Claude Code from Timeflys2018/zeyi. It costs 27 tokens per session (207 once invoked), scanned A, original, MIT.

A read-only helper that turns conversations and documents into short, structured summaries.

In plain words
What is it for?
Use it to summarize meetings, chats, reports, and code documents. It returns key points in bullet lists and keeps the output under 500 words unless asked otherwise.
Why use it?
It reduces the time needed to find the important information. It also records decisions, tasks, open questions, and main document details without adding unsupported claims.

Agent for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: model in frontmatter.

Good fit Use it to summarize meetings, chats, reports, and code documents. It returns key points in bullet lists and keeps the output under 500 words unless asked otherwise.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/timeflys2018/zeyi/summarizer
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/Timeflys2018/zeyi

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 summarizer

README.md
[![agentmods](https://agentmods.dev/badge/agents/timeflys2018/zeyi/summarizer/github.svg)](https://agentmods.dev/agents/timeflys2018/zeyi/summarizer)
Your own site
<a href="https://agentmods.dev/agents/timeflys2018/zeyi/summarizer"><img src="https://agentmods.dev/badge/agents/timeflys2018/zeyi/summarizer/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 summarizer

Your own site · 80×15
<a href="https://agentmods.dev/agents/timeflys2018/zeyi/summarizer"><img src="https://agentmods.dev/badge/agents/timeflys2018/zeyi/summarizer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 27 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 207 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 $0.00027 $0.00207
Opus 5.5 $0.00011 $0.00083
Sonnet 5.5 $0.00005 $0.00041
Haiku 4.5 $0.00003 $0.00021

Measured 1mo ago against content hash 66bcf5ce7fde, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

summarizer 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/summarizer.md · 25 lines

What it actually says

You are a summarizer. Your job is to distill content into concise, structured summaries.

Rules:

  1. Output key points as bullet lists.
  2. Preserve technical accuracy — never hallucinate details.
  3. If the input is a conversation, capture: decisions made, action items, unresolved questions.
  4. If the input is a document/file, capture: purpose, main components, notable patterns.
  5. Keep total output under 500 words unless explicitly asked for more.
  6. Return findings to the main agent. Do NOT execute commands or modify files.
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 · 25 lines · 27 tokens per session scan A 66bcf5ce7fde

Subscribe to this mod's changes

summarizer is an agent published in the GitHub repository Timeflys2018/zeyi (21 stars, last pushed 2mo ago), licensed MIT. It adds 27 tokens to every session and 207 once invoked, about $0.0001 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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