An email inbox created for the coding agent, with its own address and identity. It can send, receive, read, and manage email conversations.

Sending emails on the agent’s behalf, reading incoming messages, managing threads, signing up for services, and communicating with people or other agents.

It lets the agent communicate by email without using your personal inbox. It can also handle services that require an email address for signup or verification.

agentmail — Skill for Claude Code and Codex by nobodyohm-web: An email inbox created for the coding agent, with…

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 skills/nobodyohm-web/thot/agentmail

Any agent

npx skills add nobodyohm-web/Thot --skill agentmail

Clone the repo

git clone --depth 1 https://github.com/nobodyohm-web/Thot

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/nobodyohm-web/thot/agentmail.svg)](https://agentmods.dev/skills/nobodyohm-web/thot/agentmail)

Your own site

<a href="https://agentmods.dev/skills/nobodyohm-web/thot/agentmail"><img src="https://agentmods.dev/badge/skills/nobodyohm-web/thot/agentmail.svg" alt="Measured on agentmods" height="20"></a>

Per session 15 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 1,079 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. Scan, not verified.

Origin 94% copy Near-identical to another mod 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.

Model	Per session	Once invoked
Fable 5	$0.00015	$0.01079
Opus 5	$0.00008	$0.00540
Sonnet 5	$0.00003	$0.00216
Haiku 4.5	$0.00002	$0.00108

Measured 3d ago against content hash beeb8f3c8fb4, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

agentmail 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 3d 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.

Origin

This is a copy

94% identical to agentmail — 21 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

hermes/optional-skills/email/agentmail/SKILL.md · 129 lines

How it starts

The opening of the file, as written. The whole thing — 129 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AgentMail — Agent-Owned Email Inboxes

Requirements

AgentMail API key (required) — sign up at https://console.agentmail.to (free tier: 3 inboxes, 3,000 emails/month; paid plans from $20/mo)
Node.js 18+ (for the MCP server)

When to Use

Use this skill when you need to:

Give the agent its own dedicated email address
Send emails autonomously on behalf of the agent
Receive and read incoming emails
Manage email threads and conversations
Sign up for services or authenticate via email
Communicate with other agents or humans via email

This is NOT for reading the user's personal email (use himalaya or Gmail for that). AgentMail gives the agent its own identity and inbox.

Setup

1. Get an API Key

Go to https://console.agentmail.to
Create an account and generate an API key (starts with am_)

2. Configure MCP Server

Add to ~/.hermes/config.yaml (paste your actual key — MCP env vars are not expanded from .env):

mcp_servers:
  agentmail:
    command: "npx"
    args: ["-y", "agentmail-mcp"]
    env:
      AGENTMAIL_API_KEY: "am_your_key_here"

3. Restart Hermes

hermes

All 11 AgentMail tools are now available automatically.

Available Tools (via MCP)

Tool	Description
`list_inboxes`	List all agent inboxes
`get_inbox`	Get details of a specific inbox
`create_inbox`	Create a new inbox (gets a real email address)
`delete_inbox`	Delete an inbox
`list_threads`	List email threads in an inbox
`get_thread`	Get a specific email thread
`send_message`	Send a new email
`reply_to_message`	Reply to an existing email
`forward_message`	Forward an email
`update_message`	Update message labels/status
`get_attachment`	Download an email attachment

Procedure

Create an inbox and send an email

Create a dedicated inbox:
- Use create_inbox with a username (e.g. hermes-agent)
- The agent gets address: [email protected]
Send an email:
- Use send_message with inbox_id, to, subject, text
Check for replies:
- Use list_threads to see incoming conversations
- Use get_thread to read a specific thread

Read the full file on GitHub · 129 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.

3d ago First seen · 129 lines · 15 tokens per session scan A beeb8f3c8fb4

Subscribe to this mod's changes

agentmail is a skill published in the GitHub repository nobodyohm-web/Thot (0 stars, last pushed 9d ago), licensed MIT. It adds 15 tokens to every session and 1,079 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 94% identical to agentmail, differing in 21 lines, and is treated as a copy.

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