Is mcp@1.20.1 safe to install?

mcp@1.20.1

CAUTION

Publisher claims: "Your organization’s norms and reference documents (standards, laws), cited to the section and page." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server) · listed in the official MCP RegistryPublisher stratta · joined 0 days agoInstalls 0Last detonated 3 h ago

What would fix this Watch Dispute verdict

Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-11-04 and scored it 65/100 (Caution). It is not known to be malicious, but it has behaviour or code a security policy should decide on before install. Notable findings: Outbound HTTP to raw IP address; Refusal suppression. Summary: no network, touches nothing outside the project, writes no memory.

Behavior trace

Honeypot run · 2 s · 2 scenarios · 0 deviations

t+CategoryObserved action

0.0sprocessno install scripts in bundle

2.1sprocessdependency install exit 1

2.4sprocessexec /usr/bin/timeout

2.4sprocessexited 1: Node.js v22.23.4

2.4sclaimedno tools/list reply (exit 1)

2.4sprocessscript backend runs setup only

Static findings

MEDIUM

npx invocation of non-well-known packagedist/doctor.js:71 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/doctor.js:42 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

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MEDIUM

npx invocation of non-well-known packagedist/account.js:47 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/elicit.js:28 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

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MEDIUM

npx invocation of non-well-known packagedist/doctor.js:125 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

HIGH

Outbound HTTP to raw IP addressdist/login.js:107 · Outbound HTTP to raw IP address — may bypass domain-based monitoringFix: Replace encoded or assembled strings with plain literals and remove undeclared network calls.

AST07

MEDIUM

File permission modification commanddist/config.js:4 · File permission modification command — agent changes file ownership/permissionsFix: Request the narrowest permission that works; replace wildcards with the exact paths or hosts.

AST05

MEDIUM

npx invocation of non-well-known packagedist/elicit.js:10 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/account.js:33 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/auth.js:16 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

HIGH

Refusal suppressionskills/consult-stratta/SKILL.md:42 · Refusal suppression — attempting to prevent safety responsesFix: Remove the text that addresses the agent rather than the reader; describe behavior, do not instruct.

AST01

MEDIUM

npx invocation of non-well-known packagedist/mode.js:7 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/login.js:189 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/index.js:203 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

URL using raw IP addressdist/login.js:107 · URL using raw IP address — may bypass domain-based filteringFix: Replace encoded or assembled strings with plain literals and remove undeclared network calls.

AST07

MEDIUM

npx invocation of non-well-known packagedist/errors.js:126 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/index.js:149 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/index.js:170 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/index.js:171 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/mode.d.ts:6 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/mode.d.ts:5 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/mode.js:6 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/mode.d.ts:7 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/mode.js:5 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/update.js:56 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

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MEDIUM

npx invocation of non-well-known packagedist/update.js:76 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

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MEDIUM

npx invocation of non-well-known packagedist/update.js:54 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/update.js:50 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

MCP server using network transport (SSE/HTTP)dist/resources.d.ts:3 · MCP server using network transport (SSE/HTTP) — data sent over networkFix: Namespace tool names and keep tool descriptions literal; no instructions to the agent inside them.

AST04

MEDIUM

npx invocation of non-well-known packageskills/ingest-norm/SKILL.md:22 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/update.d.ts:21 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

MEDIUM

npx invocation of non-well-known packagedist/update.d.ts:23 · npx invocation of non-well-known package — may execute untrusted codeFix: Pin versions and sources; vendor anything fetched at install time.

AST06

What would make this Verified

15 points to 80 · weights: behavior 45%, static 25%, prompt 15%, publisher 15%

Unclaimed publisher≈ +8 on the totalClaim stratta: a verified publisher gets +50 on publisher trust. It is free and usually instant with GitHub sign-in.
Does not do what the description says≈ +5 on the totalIn the sandbox the skill never performed the task it claims (no call to the service it is for). Make sure the happy path runs without extra setup, or describe the real behavior.
Outbound HTTP to raw IP address≈ +4 on the totalReplace encoded or assembled strings with plain literals and remove undeclared network calls.
npx invocation of non-well-known package≈ +2 on the totalPin versions and sources; vendor anything fetched at install time.
File permission modification command≈ +2 on the totalRequest the narrowest permission that works; replace wildcards with the exact paths or hosts.
URL using raw IP address≈ +2 on the totalReplace encoded or assembled strings with plain literals and remove undeclared network calls.

Publish a new version to npm, then queue it here. Not your skill? Claim the handle to get verdict changes by email.Claim stratta