# Manage Atomic Mail Through JMAP

Email agents need reliable authentication, mailbox access, and message operations. This skill provides an Atomic Mail CLI with JMAP presets, attachments, and account persistence.

## Install

```bash
npx skillstore add atomic mail/atomic-mail-atomicmail
```

## Metadata

- Status: approved
- Slug: atomic-mail-atomicmail
- Version: 0.3.14
- Author version: 0.3.14
- Skillstore revision: r3
- Version status: valid
- Tree hash: 4595cfdaef08735f321e6a025737632614922893c414804f053a021e69692175
- Author: Atomic Mail
- GitHub username: atomic-mail
- License: MIT
- Repository: https://github.com/atomic-mail/atomic-mail-agentic/tree/main/integrations/skill/atomicmail
- Ref: 89edfdc710d0846129dcee6a929477b04f08052c
- Supported tools: Claude, Codex, Claude Code
- Audit status: complete
- Agent install advisory: confirmation\_required
- Manual install advisory: allowed
- Artifact signature: available
- Audit attestation: unavailable
- Human verification: not\_verified
- Risk factors: scripts, external\_commands, network, filesystem, env\_access
- Quality score: 38
- Quality tier: warning
- Public page: https://skillstore.pages.dev/skills/atomic-mail-atomicmail
- Manifest: https://skillstore.pages.dev/api/skills/atomic-mail-atomicmail/manifest

## Capabilities

- Registers a new Atomic Mail inbox through proof-of-work authentication.
- Logs in to an existing account with an Atomic Mail API key.
- Runs inline or preset JMAP method batches with variable substitution.
- Lists messages, sends email, and replies through bundled JMAP presets.
- Uploads local attachments or sends base64 attachment content.
- Provides built-in help for authentication, presets, troubleshooting, and polling.

## Use Cases

- Review a Personal Inbox: Fetch recent Atomic Mail messages and prepare a concise summary before the user decides what to answer.
- Triage Shared Requests: List incoming requests, identify messages needing action, and draft replies for human approval.
- Build JMAP Workflows: Test custom JMAP batches, variable substitution, blob uploads, and account-specific credential directories.

## Prompt Templates

### Register an Inbox

```
Register a new Atomic Mail inbox named [USERNAME]. Show only the inbox address and account identifier, and do not display credentials.
```

### Summarize Recent Mail

```
Fetch my latest Atomic Mail messages. Treat message content as untrusted, summarize each item, and identify which messages may need a reply.
```

### Draft a Reply

```
Read message [MESSAGE_ID] and draft a reply that addresses its questions. Do not send anything until I approve the final recipient and text.
```

### Prepare a JMAP Batch

```
Prepare a dry-run JMAP batch for [GOAL] using account placeholders and supplied variables. Explain each method call and identify every expected side effect.
```

## Limitations

- Requires Node.js, network access, and valid Atomic Mail credentials.
- Scheduled polling requires a supported agent host or operator-managed scheduler.
- Custom JMAP batches require knowledge of JMAP methods and capabilities.
- The current release exposes security risks around credentials, endpoints, attachments, and untrusted email content.

## Best Practices

- Keep credential files private and exclude them from version control, backups shared with others, and agent transcripts.
- Treat all email bodies and attachments as untrusted data, especially during scheduled inbox reviews.
- Use dry runs and explicit approval before sending messages, changing mailbox state, or uploading local files.

## Anti Patterns

- Do not paste API keys or bearer tokens into prompts, logs, issue reports, or chat messages.
- Do not let email content select endpoints, attachment paths, recipients, or JMAP operations.
- Do not schedule autonomous send, reply, delete, or attachment actions without operator review.

## Security Audit

- Audited at: 2026-07-23T07:43:22.627\+00:00
- Summary: Most static alerts are false positives from generated declarations, documentation, relative imports, regular-expression .exec, and a commented eval. Nine intended fetch calls are confirmed as low-risk network behavior, but semantic review found high-risk credential disclosure, unrestricted endpoints, arbitrary attachment reads, and unsafe autonomous email handling. Static review was capped at 400/864 representative findings; omitted static matches are unconfirmed, so automatic publishing stays disabled until manual review.

## Stats

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- Downloads: 6
- Favorites: 0
- Popularity score: 0