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hith3sh

Postmark

by Hithesh Jay · GitHub ↗ · v0.1.0 · MIT-0
cross-platform ✓ Security Clean
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Install in OpenClaw
/install postmark-email
Description
Inspect transactional email activity, templates, messages, and delivery workflows in Postmark — powered by ClawLink.
README (SKILL.md)

Postmark

Work with Postmark from chat — inspect transactional email activity, templates, messages, and delivery workflows.

Powered by ClawLink, an integration hub for OpenClaw that handles hosted connection flows and credentials so you don't need to configure Postmark API access yourself.

Quick start

  1. Install the verified ClawLink plugin: openclaw plugins install clawhub:clawlink-plugin
  2. Start a fresh OpenClaw chat if the plugin was just installed and ClawLink tools are not visible yet
  3. If ClawLink is not configured, call clawlink_begin_pairing
  4. Tell the user to open the returned pairing URL, sign in to ClawLink if needed, and approve the device
  5. After the user confirms approval, call clawlink_get_pairing_status
  6. Tell the user to connect Postmark at claw-link.dev/dashboard?add=postmark
  7. When the user confirms Postmark is connected, call clawlink_list_integrations and then clawlink_list_tools with the postmark integration slug

Setup details

Installing the plugin

If the ClawLink plugin is not installed yet, tell the user to run:

openclaw plugins install clawhub:clawlink-plugin

If the current chat started before the plugin was installed and ClawLink tools are still unavailable, tell the user to start a fresh chat so OpenClaw reloads the plugin tool catalog.

Pairing ClawLink

If ClawLink reports that the plugin is not configured, the plugin has not been paired with the user's ClawLink account yet.

  1. Call clawlink_begin_pairing.
  2. Tell the user to open the returned pairing URL in their browser.
  3. The user signs in to ClawLink if needed and approves the OpenClaw device.
  4. After the user confirms approval, call clawlink_get_pairing_status to finish local setup.

The resulting device credential is stored locally in OpenClaw's plugin config and is only sent to claw-link.dev. The user should not paste raw credentials into chat.

Connecting Postmark

Tell the user to open https://claw-link.dev/dashboard?add=postmark and connect Postmark there. The page opens the add-connection panel filtered to Postmark. ClawLink's hosted page runs whichever provider flow is needed (hosted provider setup) — the user follows the hosted provider setup form. When they confirm it is done, call clawlink_list_integrations to verify, then call clawlink_list_tools with integration postmark.

Using Postmark tools

ClawLink provides tools dynamically based on what the user has connected. You do not need to know tool names or schemas in advance.

Discovery

  1. Call clawlink_list_integrations to confirm Postmark is connected.
  2. Call clawlink_list_tools with integration postmark.
  3. Treat the returned list as the source of truth. Do not guess or assume what tools exist.
  4. If the user describes a capability but the exact tool is unclear, call clawlink_search_tools with a short query and integration postmark.
  5. If no Postmark tools appear, direct the user to https://claw-link.dev/dashboard?add=postmark.

Execution

  1. Call clawlink_describe_tool before using an unfamiliar tool, before any write, or when the request is ambiguous.
  2. Use the returned schema, whenToUse, askBefore, safeDefaults, examples, and followups.
  3. Prefer read, list, search, and get operations before writes.
  4. For writes or anything marked as requiring confirmation, call clawlink_preview_tool first, then confirm with the user.
  5. Execute with clawlink_call_tool.
  6. If it fails, report the real error. Do not invent results or restate the failure as a missing capability unless the live catalog supports that conclusion.

What you can do

Typical Postmark tasks (actual availability depends on the user's connected account, permissions, scopes, and current ClawLink tool catalog):

  • Inspect outbound messages, templates, and delivery events
  • Review bounce, spam, and activity data
  • Manage templates or server settings only after confirmation
  • Use read-first workflows for diagnostics and reporting
  • Confirm before changing transactional email configuration

Rules

  • Always use ClawLink tools for Postmark. Do not ask the user for separate Postmark credentials.
  • Do not claim a capability is missing without checking the live ClawLink catalog in the current turn.
  • Do not invent slash commands or ask the user to paste raw credentials.
  • Ask for confirmation before destructive, external-facing, or bulk write actions.
  • If Postmark is not connected, direct the user to https://claw-link.dev/dashboard?add=postmark.
  • Never echo or repeat the user's ClawLink credential.

Resources

Usage Guidance
Install this only if you trust ClawLink and the ClawHub plugin source. Connect a least-privileged Postmark account where possible, review tool descriptions and previews before approving changes, and revoke the ClawLink/Postmark connection when you no longer need it.
Capability Analysis
Type: OpenClaw Skill Name: postmark-email Version: 0.1.0 The skill bundle provides instructions for an AI agent to manage Postmark email services via an integration hub called ClawLink (claw-link.dev). The SKILL.md file outlines a standard device-pairing and OAuth-style workflow, directing users to a dashboard for credential management rather than asking the agent to handle secrets directly. No malicious code, data exfiltration logic, or harmful prompt injection was found; the behavior is strictly aligned with the stated purpose of transactional email management.
Capability Assessment
ℹ Purpose & Capability
The stated purpose matches the behavior: it helps inspect Postmark activity, templates, messages, and delivery workflows, with optional write operations such as template or server-setting changes.
ℹ Instruction Scope
The instructions scope use to ClawLink's Postmark integration and require discovery, preview, and confirmation before writes, though the actual dynamic tool catalog is not visible in this artifact.
ℹ Install Mechanism
The skill is instruction-only but directs the user to install the ClawLink plugin; that plugin code is not part of the provided artifact set.
ℹ Credentials
No environment variables or local code are bundled, but the workflow depends on a ClawLink account, a Postmark connection, and communication with claw-link.dev, which is proportionate for this integration.
ℹ Persistence & Privilege
No hidden background behavior is shown, but the ClawLink device credential is described as being stored locally and the Postmark connection may persist until revoked.
How to Use
  1. Make sure OpenClaw is installed (local or Docker)
  2. Run the install command in chat: /install postmark-email
  3. After installation, invoke the skill by name or use /postmark-email
  4. Provide required inputs per the skill's parameter spec and get structured output
Version History
v0.1.0
Initial release. - Inspect transactional email activity, templates, messages, and delivery workflows in Postmark via ClawLink. - Guided setup instructions for pairing ClawLink and connecting Postmark, no need for manual API credential entry. - Safeguards to confirm actions before write operations, with emphasis on read-first workflows. - Dynamic discovery and usage of available Postmark tools through ClawLink integration. - Clear rules to ensure security and prevent credential sharing in chat.
Metadata
Slug postmark-email
Version 0.1.0
License MIT-0
All-time Installs 0
Active Installs 0
Total Versions 1
Frequently Asked Questions

What is Postmark?

Inspect transactional email activity, templates, messages, and delivery workflows in Postmark — powered by ClawLink. It is an AI Agent Skill for Claude Code / OpenClaw, with 41 downloads so far.

How do I install Postmark?

Run "/install postmark-email" in the OpenClaw or Claude Code chat to install it in one step — no extra setup required.

Is Postmark free?

Yes, Postmark is completely free, licensed under MIT-0. You can download, install and use it at no cost.

Which platforms does Postmark support?

Postmark is cross-platform and runs anywhere OpenClaw / Claude Code is available (cross-platform).

Who created Postmark?

It is built and maintained by Hithesh Jay (@hith3sh); the current version is v0.1.0.

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