agentmail-cli
Send and receive emails programmatically using the AgentMail CLI. Use when agents need to manage inboxes, send/receive emails, handle threads, drafts, webhooks, and domains via command line.
How do I install this agent skill?
npx skills add https://github.com/agentmail-to/agentmail-skills --skill agentmail-cliIs this agent skill safe to install?
- Gen Agent Trust Hubpass
The skill enables programmatic email management via the AgentMail CLI. It involves installing a vendor-owned npm package and using an API key for authentication. The skill presents an indirect prompt injection attack surface as it retrieves untrusted email content, but this is a known risk inherent to its primary purpose.
- Socketpass
No alerts
- Snykwarn
Risk: MEDIUM · 1 issue
- Runlayerpass
1 file scanned · No issues
- ZeroLeakspass
Score: 93/100 · 2 sections analyzed
What does this agent skill do?
AgentMail CLI
Use the agentmail CLI to send and receive emails programmatically. Requires AGENTMAIL_API_KEY environment variable.
Install
npm install -g agentmail-cli
Core Commands
Inboxes
# Create an inbox (defaults to @agentmail.to;
# pass --domain only if you have verified a custom domain)
agentmail inboxes create --display-name "My Agent" --username myagent
# List inboxes
agentmail inboxes list
# Get an inbox
agentmail inboxes retrieve --inbox-id <inbox_id>
# Delete an inbox
agentmail inboxes delete --inbox-id <inbox_id>
Send Email
# Send a message from an inbox
agentmail inboxes:messages send --inbox-id <inbox_id> \
--to "recipient@example.com" \
--subject "Hello" \
--text "Message body"
# Send with HTML
agentmail inboxes:messages send --inbox-id <inbox_id> \
--to "recipient@example.com" \
--subject "Hello" \
--html "<h1>Hello</h1>"
# Reply to a message
agentmail inboxes:messages reply --inbox-id <inbox_id> --message-id <message_id> \
--text "Reply body"
# Forward a message
agentmail inboxes:messages forward --inbox-id <inbox_id> --message-id <message_id> \
--to "someone@example.com"
Read Email
# List messages in an inbox
agentmail inboxes:messages list --inbox-id <inbox_id>
# Get a specific message
agentmail inboxes:messages retrieve --inbox-id <inbox_id> --message-id <message_id>
# List threads
agentmail inboxes:threads list --inbox-id <inbox_id>
# Get a thread
agentmail inboxes:threads retrieve --inbox-id <inbox_id> --thread-id <thread_id>
Drafts
# Create a draft
agentmail inboxes:drafts create --inbox-id <inbox_id> \
--to "recipient@example.com" \
--subject "Draft" \
--text "Draft body"
# Send a draft
agentmail inboxes:drafts send --inbox-id <inbox_id> --draft-id <draft_id>
Pods
Pods group inboxes together.
# Create a pod
agentmail pods create --name "My Pod"
# Create an inbox in a pod
agentmail pods:inboxes create --pod-id <pod_id> --display-name "Pod Inbox"
# List threads in a pod
agentmail pods:threads list --pod-id <pod_id>
Webhooks
# Create a webhook for new messages
agentmail webhooks create --url "https://example.com/webhook" --event-type message.received
# List webhooks
agentmail webhooks list
Domains
# Add a custom domain. --feedback-enabled is REQUIRED:
# pass the flag to route bounce/complaint notifications to your inboxes.
# The CLI has no way to create a domain without this flag.
agentmail domains create --domain example.com --feedback-enabled
# Verify domain DNS
agentmail domains verify --domain-id <domain_id>
# Get DNS records to configure
agentmail domains get-zone-file --domain-id <domain_id>
Global Flags
All commands support: --api-key, --base-url, --environment, --format, --format-error, --transform, --transform-error, --debug.
Output Formats
Use --format to control output: auto (default), pretty, json, jsonl, yaml, raw, explore.
How can the creator link this skill?
Add the canonical catalog link to the repository README so users can inspect current installs and available audits. The publishing guide covers the complete discovery path.
<a href="https://skillzs.dev/skills/agentmail-to/agentmail-skills/agentmail-cli">View agentmail-cli on skillZs</a>