gmail-sorter: Agent for Claude Code

.claude/agents/email-classifier.md

email-classifier is an agent for Claude Code from staschatwork/gmail-sorter. It costs 53 tokens per session (845 once invoked), scanned A, original, no licence file.

An email classifier that processes batches of messages using rules, language-model categories from a categories file, and fixed routing decisions. It returns messages marked as confident or uncertain.

In plain words
What is it for?
It is for categorising groups of emails and routing them according to the resulting categories and confidence.
Why use it?
It separates straightforward classification from cases that need more care, reducing manual sorting of batches of email.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter.

This is staschatwork/gmail-sorter's own configuration. It tells Claude Code how to work on gmail-sorter itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything gmail-sorter configures →

Reuse

Borrowing it

Nothing to install: this file belongs to staschatwork/gmail-sorter. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/staschatwork/gmail-sorter/main/.claude/agents/email-classifier.md
Clone the repo
git clone --depth 1 https://github.com/staschatwork/gmail-sorter

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 email-classifier

README.md
[![agentmods](https://agentmods.dev/badge/agents/staschatwork/gmail-sorter/email-classifier/github.svg)](https://agentmods.dev/agents/staschatwork/gmail-sorter/email-classifier)
Your own site
<a href="https://agentmods.dev/agents/staschatwork/gmail-sorter/email-classifier"><img src="https://agentmods.dev/badge/agents/staschatwork/gmail-sorter/email-classifier/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 email-classifier

Your own site · 80×15
<a href="https://agentmods.dev/agents/staschatwork/gmail-sorter/email-classifier"><img src="https://agentmods.dev/badge/agents/staschatwork/gmail-sorter/email-classifier.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 53 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 845 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 unknown 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 $0.00053 $0.00845
Opus 5.5 $0.00021 $0.00338
Sonnet 5.5 $0.00011 $0.00169
Haiku 4.5 $0.00005 $0.00085

Measured 2mo ago against content hash 7db264f95c41, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

email-classifier 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 2mo 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.

.claude/agents/email-classifier.md · 48 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 2mo ago First seen · 48 lines · 53 tokens per session scan A 7db264f95c41

Subscribe to this mod's changes

email-classifier is an agent published in the GitHub repository staschatwork/gmail-sorter (0 stars, last pushed 3mo ago), with no licence file. It adds 53 tokens to every session and 845 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 2026-08-31.

Related

email-classifier compared with agents from other repositories

email-classifier next to 6 agents from other repositories
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email-classifierstaschatwork/gmail-sorterAgent03mo agononeA53Claude Code
growthalebgl77/claude-incAgent2215d agoMITA73Claude Code
posterseaosinc/mcp-llm-offloadAgent11mo agoMITA183Claude Code
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consistency-reliability-builderChrisRoyse/610ClaudeSubagentsAgent1221y agononeA20Claude Code
base-template-generatorakhilyad/deployyAgent05mo agoMITA249Claude Code
playwright-test-generatormicrosoft/playwrightAgent99kyesterdayApache-2.0A151Claude Code