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Outlook Assistant — MCP server with 22 tools for email, calendar, contacts, and settings via Microsoft Graph API
The publisher performed an authenticated act of publication — proving control of a namespace in the official MCP registry, or appearing in a first-party catalogue an operator curates. That establishes WHO published it. It is not a security finding, and attested artifacts carry Flagged verdicts too.
134 critical findings reported by agent-audit-kit, 0 of them in the installed artifact. 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/littlebearapps/outlook-assistant, 395 findings
Choose your runtime: the CLI writes the mcpServers config entry for that target.
nerlo install --target claude-code -- @littlebearapps/outlook-assistant
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
1 finding · 1.2s
v2.0.11
77 findings · 13.5s
v0.3.26
143 findings · 4.1s
v0.1.0
4 findings · 31.1s
v0.1.0
0 findings · 31.1s
v0.1.0
0 findings · 23.4s
No report in this scan: capslock, govulncheck, osv-scanner, trivy, trivy_image.
2 scans on record. Every scan's full results are retained immutably for 24 months.
| Completed | Composite | Change | Scanners | Status |
|---|---|---|---|---|
| Aug 3, 2026 | Scan Halted | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completenerlo-multi-source: complete | rejected |
| Aug 1, 2026 | Scan Halted | — | agentshield: completecisco-skill-scanner: completeagent-audit-kit: completenerlo-behavioral: completenerlo-install-instruction: completenerlo-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 225 findings across every scanner that examined this package. 134 of 134 findings rated critical by their scanner were among the dismissals.
Not reviewed is not the same as clean. Those 1 finding stand exactly as their scanners reported them, at full severity, as they would have without this review.
Two keys had to turn. The model had to name a reason from a fixed list of six, and a deterministic check of ours — over which files this artifact actually installs — had to independently agree. Anything it could not corroborate is in “not reviewed” above, at full severity.
133 Agent instruction file — The match is in a file that instructs an AI coding agent — a CLAUDE.md or similar. It is documentation of intent, and our own check confirmed it is not part of what gets installed.
Rules: AAK-AGENT-001, agents-encoded-payload-5791, YARA_capability_inflation_generic · Files: CLAUDE.md, /repo/CLAUDE.md · reported by agent-audit-kit, agentshield, cisco-skill-scanner
32 Documentation or example — The match is in documentation or sample code, confirmed by our own check to be outside the installed artifact.
Rules: YARA_prompt_injection_unicode_steganography, PIPELINE_TAINT_FLOW, UNANALYZABLE_BINARY and 5 more · Files: /repo/docs/demo/outlook-assistant-demo.gif, /repo/docs/SKILL.md, /repo/docs/troubleshooting.md and 15 more · reported by cisco-skill-scanner, agent-audit-kit
4 Test or fixture file — The match is in a test or fixture. Our own check confirmed the file is not part of what gets installed.
Rules: AAK-INDIA-PII-001, FILE_MAGIC_MISMATCH · Files: test/auth/audience.test.js, /repo/test/dispatcher/tool-call-error-shape.test.js · reported by agent-audit-kit, cisco-skill-scanner
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.
24 DATA_EXFIL_JS_FS_ACCESS
Files: /repo/auth/token-manager.js, /repo/auth/tools.js, /repo/email/attachments.js and 7 more · reported by cisco-skill-scanner
9 DATA_EXFIL_JS_NETWORK
Files: /repo/auth/device-code.js, /repo/auth/token-storage.js, /repo/create-notifications-rule.js and 4 more · reported by cisco-skill-scanner
4 opt.nerlo-rules.nerlo-js-secret-to-network-egress
Files: /repo/auth/oauth-server.js · reported by nerlo-behavioral
3 AAK-SECRET-004
Files: utils/safety.js, auth/token-manager.js · reported by agent-audit-kit
3 YARA_capability_inflation_generic
Files: /repo/CHANGELOG.md, /repo/SKILL.md · reported by cisco-skill-scanner
2 MANIFEST_MISSING_LICENSE
1 The model called these false positives and our own check did not agree, so the dismissal was refused.
Rules: HIDDEN_DATA_FILE · Files: /repo/.mcp.json.example · reported by cisco-skill-scanner
Artifact handles secrets and performs network egress with them.
The artifact processes secrets and credentials, with findings in `auth/token-manager.js` and `utils/safety.js`. It performs network egress, specifically transmitting secrets from `auth/oauth-server.js`. Additionally, an Anthropic SDK is used in `index.js`, which may involve data transmission.
Concern level assessed by the review: High. 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.
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
1 AAK-ANTHROPIC-SDK-001
Files: index.js · reported by agent-audit-kit
1 AAK-OAUTH-3P-001
Files: package.json · reported by agent-audit-kit
1 AAK-SECRET-007
Files: claude-config-sample.json · reported by agent-audit-kit
1 AAK-SUPPLY-003
Files: package.json · reported by agent-audit-kit
1 AAK-SUPPLY-005
Files: package-lock.json · reported by agent-audit-kit
1 EXCESSIVE_FILE_COUNT
Files: /repo/. · reported by cisco-skill-scanner
1 FILE_MAGIC_MISMATCH
Files: /repo/llms.txt · reported by cisco-skill-scanner
1 LOW_ANALYZABILITY
Files: /repo · reported by cisco-skill-scanner