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MCP server for IMAP/SMTP mailboxes: read, search, organize, draft and send mail from an AI assistant. Passwords stay in the macOS Keychain and mail is never deleted.
We found this by crawling public sources and nobody has attested to it. That is how most of the registry gets here, and it is not a mark against the artifact — it only means no authenticated act of publication is on record. An artifact can be the vendor's own and still appear here.
2 critical findings reported by cisco-skill-scanner. The composite score alone does not reflect this — read the per-scanner reports below.
This artifact ships from 2 sources and their verdicts differ. The worst is github (Flagged). Installing from a cleaner source does not mean the others are safe — check the source you actually install from.
github: https://github.com/marcocavanna/mailbridge, 58 findings
Choose your runtime: the CLI writes the mcpServers config entry for that target.
nerlo install --target claude-code -- @marcocavanna/mailbridge
Install respects the composite badge: Clean proceeds, Caution prompts for confirmation, and Flagged is refused. Write operations require an API token.
6 of 11 scanners examined this package. The rest do not apply to it — language, ecosystem and packaging decide which analyzers can say anything, and a scanner that cannot examine an artifact reports nothing rather than passing it.
v1.4.0
0 findings · 1.4s
v2.0.11
13 findings · 10.3s
v0.3.74
13 findings · 4.0s
v0.1.0
0 findings · 5.6s
v0.1.0
0 findings · 5.6s
v0.1.0
0 findings · 8.7s
vv0.3.2
No Go packages were found in this artifact. What each scanner covers
0 findings · 0.1s
No report in this scan: govulncheck, osv-scanner, trivy, trivy_image.
1 scan on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Aug 22, 2026 | Scan Halted | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completecapslock ·n/a: not applicablenerlo-multi-source: complete | rejected |
Findings in files this artifact installs stand as reported; a model re-read the rest and said which ones it believes are false positives. This is a second opinion published beside the evidence, not a correction to it: the per-scanner reports above are unchanged, every dismissed finding is still listed there at its original severity, and the score and the Flagged badge are computed from those raw severities alone. Nothing below moved them.
Out of 26 findings across every scanner that examined this package. None of the 2 findings rated critical by their scanner were dismissed.
These findings are in files this artifact installs and are not placeholder values. No false-positive basis can be corroborated for such a finding, so this review never dismisses one; they were not sent to the model and stand at their scanner's severity.
10 AAK-MCP-018
Files: src/server.ts, src/tools/organize.tools.ts, src/tools/triage.tools.ts and 7 more · reported by agent-audit-kit
5 DATA_EXFIL_JS_NETWORK
Files: /repo/src/imap/messages.ts, /repo/src/imap/subscriptions.ts, /repo/src/imap/threads.ts and 2 more · reported by cisco-skill-scanner
2 MANIFEST_MISSING_LICENSE
Files: /repo/SKILL.md, /repo/.claude/rules/SKILL.md · reported by cisco-skill-scanner
2 SOCIAL_ENG_VAGUE_DESCRIPTION
Files: /repo/SKILL.md, /repo/.claude/rules/SKILL.md · reported by cisco-skill-scanner
2 YARA_prompt_injection_generic
Files: /repo/.claude/rules/security.md · reported by cisco-skill-scanner
1 AAK-ANTHROPIC-SDK-001
Files: src/server-runtime.ts · reported by agent-audit-kit
1 AAK-OAUTH-3P-001
Files: package.json · reported by agent-audit-kit
1 AAK-SEC-MD-001
Files: SECURITY.md · reported by agent-audit-kit
1 EXCESSIVE_FILE_COUNT
Files: /repo/. · reported by cisco-skill-scanner
1 LOW_ANALYZABILITY
Files: /repo · reported by cisco-skill-scanner
Critical prompt injection risk and Anthropic SDK usage identified.
The artifact contains critical prompt injection vulnerabilities in `/repo/.claude/rules/security.md`, which could allow manipulation of AI model behavior. It also uses the Anthropic SDK in `src/server-runtime.ts`, indicating potential for AI model interaction and data exchange. Additionally, the artifact has multiple medium-severity findings related to credential access and third-party OAuth integration, alongside informational findings for network egress in JavaScript.
Concern level assessed by the review: Critical. This is the review's scale, not the registry badge.
Reviewed by gemini-2.5-flash. The model sees the findings, not your code, and cannot change a score.