Mailcheap MCP Server
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Mailcheap is an open-source mcp server by marclou, written mainly in JavaScript, with 1,589 GitHub stars and the AGPL-3.0 license. Its code was last updated Nov 1, 2026.
Scan summary: scanned Nov 5, 2026 at commit 45315be. Seen able to connect to the internet. Scan policy
ScannedScanned. The automated checks below ran on the commit shown. Read each line for what was and was not covered.
Full scan at
45315be · Nov 5, 2026 ScannedStatic, secrets and dependency checks completed with no critical findings. BuildsIt installed from a fresh machine.
Warning. This check found something worth reading in the findings below. It is not proof of a problem.Static code scanwarnWarning. This check found something worth reading in the findings below. It is not proof of a problem.
Passed. This check ran and found nothing it flags.Secrets scanpassPassed. This check ran and found nothing it flags.
Warning. This check found something worth reading in the findings below. It is not proof of a problem.Dependency audit9 known vulnerabilitieswarnWarning. This check found something worth reading in the findings below. It is not proof of a problem.
Warning. This check found something worth reading in the findings below. It is not proof of a problem.ManifestnonewarnWarning. This check found something worth reading in the findings below. It is not proof of a problem.
Passed. This check ran and found nothing it flags.BuildpassPassed. This check ran and found nothing it flags.
Flagged. This check found an issue. See the findings below.Boot & handshakefailFlagged. This check found an issue. See the findings below.
Flagged. This check found an issue. See the findings below.Network egressfailFlagged. This check found an issue. See the findings below.
Not applicable. This check does not apply to this kind of project, or it was not run in this scan.Reproducible (×3)n/aNot applicable. This check does not apply to this kind of project, or it was not run in this scan.
Findings (16)
- highHigh. Something risky that needs a close look before you install.exfiltration issueDetails are available to the maintainer after claiming this listing.
- mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.undici@6.29.0: 5 known vulnerabilitiesGHSA-2m5v-pch6-74hx, GHSA-4qv8-2p9j-2685, GHSA-9fm3-97px-rjf6, GHSA-qrxm-fqhp-jwvm, GHSA-xjj6-f33q-929c
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.zod@4.1.11: 1 known vulnerabilityGHSA-mrhx-c7xc-m3w5
package-lock.json - mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.Install contacted hosts other than package registriesfonts.googleapis.com, fonts.gstatic.com, telemetry.nextjs.org
- mediumMedium. Worth checking, often a vulnerable dependency or a setup problem.MCP server didn't complete the protocol handshaketimed out waiting for the server
- lowLow. Minor, or common in normal tools. Shown for information.Possible example credential in docs/tests: generic-api-key
tests/billing-pause.test.mjs:13 - lowLow. Minor, or common in normal tools. Shown for information.Possible example credential in docs/tests: generic-api-key
tests/email-otp-security.test.mjs:24 - lowLow. Minor, or common in normal tools. Shown for information.Possible example credential in docs/tests: generic-api-key
tests/helpers/app.mjs:121 - lowLow. Minor, or common in normal tools. Shown for information.Possible example credential in docs/tests: generic-api-key
tests/notifications.test.mjs:21 - lowLow. Minor, or common in normal tools. Shown for information.Possible example credential in docs/tests: generic-api-key
tests/postmaster.test.mjs:29 - lowLow. Minor, or common in normal tools. Shown for information.Possible example credential in docs/tests: generic-api-key
tests/alerts.test.mjs:16 - lowLow. Minor, or common in normal tools. Shown for information.deepmerge@4.3.1: 1 known vulnerabilityGHSA-gcqx-w48m-w2h4
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.minimatch@10.2.6: 1 known vulnerabilityGHSA-g3hv-75wg-m249
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.sanitize-html@2.18.0: 1 known vulnerabilityGHSA-c9rx-x947-fp3h
package-lock.json - lowLow. Minor, or common in normal tools. Shown for information.No manifest declaring network access and environment variables (agent.json)
- lowLow. Minor, or common in normal tools. Shown for information.Contacted these domains while starting up (no manifest to compare against)registry.npmjs.org
Network activity
During install
fonts.googleapis.comfonts.gstatic.comregistry.npmjs.orgtelemetry.nextjs.org
While running
Not run — the code wasn't started in this scan
Automated result for the commit shown. See our scan policy. View the scan log
Maintainers can claim the listing to rescan, or dispute a result.
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| Name | Stars | Licence | Last updated | Scan |
|---|---|---|---|---|
| Mailcheap (this page) marclou | 1.6k | AGPL-3.0 | Nov 1, 2026 | Scanned, no flagged issues |
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