Skip to main content

testing-with-sandbox

Facilitates testing of outbound emails in a sandbox environment, allowing developers to inspect and automate email processes without real delivery.

Install this skill

or
94/100

Security score

The testing-with-sandbox skill was audited on Jun 4, 2026 and we found 6 security issues across 1 threat category. Review the findings below before installing.

Categories Tested

Security Issues

low line 39

External URL reference

SourceSKILL.md
39| Email Testing API (REST) | `https://sandbox.api.mailtrap.io/api/send/{inbox_id}` | `Authorization: Bearer $MAILTRAP_SANDBOX_API_TOKEN` |
low line 43

External URL reference

SourceSKILL.md
43Sandbox uses a **separate** token (`$MAILTRAP_SANDBOX_API_TOKEN`, Testing/Sandbox scope) — never reuse the live `$MAILTRAP_API_TOKEN`. The `account_id` in the example endpoints below is resolved at ru
low line 78

External URL reference

SourceSKILL.md
78| List sandboxes | `GET https://mailtrap.io/api/accounts/$MAILTRAP_ACCOUNT_ID/inboxes` | [Sandboxes API](https://docs.mailtrap.io/developers/email-sandbox/sandboxes-inboxes.m
low line 79

External URL reference

SourceSKILL.md
79| List messages | `GET https://mailtrap.io/api/accounts/$MAILTRAP_ACCOUNT_ID/inboxes/{inbox_id}/messages` | [Messages](https://docs.mailtrap.io/developers/email-sandbox/messages.md)
low line 80

External URL reference

SourceSKILL.md
80| Fetch a message | `GET https://mailtrap.io/api/accounts/$MAILTRAP_ACCOUNT_ID/inboxes/{inbox_id}/messages/{id}` | [Message details](https://docs.mailtrap.io/developers/email-sandbox/messages.md)
low line 81

External URL reference

SourceSKILL.md
81| Send test email | `POST https://mailtrap.io/api/accounts/$MAILTRAP_ACCOUNT_ID/inboxes/{inbox_id}/messages` | [Send test emails](https://docs.mailtrap.io/developers/email-sandbox/send-test-emails
Scanned on Jun 4, 2026
View Security Dashboard
Installation guide →
GitHub Stars 5
Rate this skill
Categorymarketing
UpdatedJune 15, 2026
mailtrap/mailtrap-skills