Agentmail

Community

Tommy-yw

agentmail

Give the agent its own dedicated email inbox via AgentMail. Send, receive, and manage email autonomously using agent-owned email addresses (e.g. hermes-agent@agentmail.to).

Overview

Publisher	Tommy-yw
Repository	`RunbookHermes`
Skill name	`agentmail`
Stars	546
Forks	41
Bundled files	Instructions only
License	MIT
Links	Skill source Repository

Markdown instructions
A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.
Works with any LLM
AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.
Self-contained
Everything the model needs lives in the instructions — no extra files to sync.
Open source
Published by Tommy-yw on GitHub. Read the source before you install it.

Installation

Install the Agentmail AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
https://github.com/Tommy-yw/RunbookHermes/tree/main/optional-skills/email/agentmail
Enable the skill in any chat where you want it available.

Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills

git clone --depth 1 https://github.com/Tommy-yw/RunbookHermes.git /tmp/RunbookHermes
mkdir -p .claude/skills
cp -r /tmp/RunbookHermes/optional-skills/email/agentmail .claude/skills/agentmail

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Agentmail in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Agentmail on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Agentmail is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

Loaded only when it is needed
The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.
Switch models mid-chat
Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

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):

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

3. Restart Hermes

bash
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: hermes-agent@agentmail.to
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

Check incoming email

Use list_inboxes to find your inbox ID
Use list_threads with the inbox ID to see conversations
Use get_thread to read a thread and its messages

Reply to an email

Get the thread with get_thread
Use reply_to_message with the message ID and your reply text

Example Workflows

Sign up for a service:


1. create_inbox (username: "signup-bot")
2. Use the inbox address to register on the service
3. list_threads to check for verification email
4. get_thread to read the verification code

Agent-to-human outreach:


1. create_inbox (username: "hermes-outreach")
2. send_message (to: user@example.com, subject: "Hello", text: "...")
3. list_threads to check for replies

Pitfalls

Free tier limited to 3 inboxes and 3,000 emails/month
Emails come from @agentmail.to domain on free tier (custom domains on paid plans)
Node.js (18+) is required for the MCP server (npx -y agentmail-mcp)
The mcp Python package must be installed: pip install mcp
Real-time inbound email (webhooks) requires a public server — use list_threads polling via cronjob instead for personal use

Verification

After setup, test with:


hermes --toolsets mcp -q "Create an AgentMail inbox called test-agent and tell me its email address"

You should see the new inbox address returned.

References

AgentMail docs: https://docs.agentmail.to/
AgentMail console: https://console.agentmail.to
AgentMail MCP repo: https://github.com/agentmail-to/agentmail-mcp
Pricing: https://www.agentmail.to/pricing

Frequently asked questions

What does the Agentmail AI skill do?

Give the agent its own dedicated email inbox via AgentMail. Send, receive, and manage email autonomously using agent-owned email addresses (e.g. hermes-agent@agentmail.to).

Why use Agentmail on TypingMind?

Because you install it once and use it with any model. Agentmail is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Agentmail in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/Tommy-yw/RunbookHermes/tree/main/optional-skills/email/agentmail. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use Agentmail?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Agentmail?

As many as you like. As long as a model supports skills, you can use Agentmail with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Agentmail AI skill free?

Yes. It is published on GitHub by Tommy-yw under the MIT license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

AgentMail — Agent-Owned Email Inboxes

Requirements

When to Use

Setup

1. Get an API Key

2. Configure MCP Server

3. Restart Hermes

Available Tools (via MCP)

Procedure

Create an inbox and send an email

Check incoming email

Reply to an email

Example Workflows

Pitfalls

Verification

References

Frequently asked questions

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