Postmark for AI coding agents
Email & SMS · postmarkapp.com
Official MCP server (24 tools) but no Claude Code plugin or skills found.
How Postmark works in each agent
Scores appear only after we verify them, with a source and date. Methodology
| Agent | Score | MCP | Remote / OAuth | Skill / plugin | Verified |
|---|---|---|---|---|---|
| C Claude Code | 3/5 | Yes | Unknown | No | Oct 16, 2026 |
| X OpenAI Codex | Not yet verified. Testing in progress. | ||||
| ▲ Cursor | Not yet verified. Testing in progress. | ||||
| G GitHub Copilot | Not yet verified. Testing in progress. | ||||
| A Google Antigravity | Not yet verified. Testing in progress. | ||||
Setup by agent
{"mcpServers":{"postmark":{"command":"npx","args":["-y","@activecampaign/postmark-mcp"],"env":{"POSTMARK_SERVER_TOKEN":"...","DEFAULT_SENDER_EMAIL":"...","DEFAULT_MESSAGE_STREAM":"outbound"}}}}We haven't verified a OpenAI Codex setup for Postmark yet. If the vendor documents an MCP server, the MCP config generator gives you the right ~/.codex/config.toml (user) format. Config locations: Codex setup.
We haven't verified a Cursor setup for Postmark yet. If the vendor documents an MCP server, the MCP config generator gives you the right .cursor/mcp.json (project) format. Config locations: Cursor setup.
We haven't verified a GitHub Copilot setup for Postmark yet. If the vendor documents an MCP server, the MCP config generator gives you the right .vscode/mcp.json (workspace) format. Config locations: Copilot setup.
We haven't verified a Google Antigravity setup for Postmark yet. If the vendor documents an MCP server, the MCP config generator gives you the right ~/.gemini/config/mcp_config.json (global) format. Config locations: Antigravity setup.
Agent Stack Weekly · free
What changed across coding agents this week
Limit and pricing changes, new MCP servers, and setup fixes for Claude Code, Codex, Cursor, Copilot and Antigravity.
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