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Get Started Free →hashgraph-online/mailagent
Temporary inboxes for agent signup QA — create disposable addresses, wait for verification email, extract OTP or magic links.
Passed 19 of 21 test cases with the skill, and 5 of 21 without it.
and 16 more in the full report
15 fixed5 passed either way2 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 15 test cases the skill fixed. Same model, same prompt, with and without the skill.
Which MailAgent tool lists the conversation thread structure after sending a reply to an incoming email?
| Checked | Without skill | With skill |
|---|---|---|
| Identifies mailagent_list_threads as the thread listing tool. | Missed | Passed |
The instructions your model reads when the skill loads.
MailAgent provides programmatic disposable inboxes for AI agents: receive OTP codes and magic links during signup flows, simulate inbound mail in CI, send/reply on verified domains, and diagnose timeouts.
Official docs: https://webmailagent.com/docs/agents.html
mailagent_simulate_message)MCP in .cursor/mcp.json → @mailagent/mcp or mcp/dist/index.js. Skill auto-loads from .cursor/skills/mailagent-mcp/ (synced from this file).
npx skills add Alex0nder/MailAgent --skill mailagent
codex plugin marketplace add Alex0nder/MailAgent
codex plugin install mailagent --source mailagent
Guide: https://webmailagent.com/docs/codex.html
export MAILAGENT_API_URL=https://api.webmailagent.com
export MAILAGENT_API_KEY=ma_…
test cases passed, vs 5 / 21 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.