Skills/npm/mcp-from-openapi

mcp-from-openapi@2.9.3

CAUTION· install only

Publisher claims: "Production-ready library for converting OpenAPI specifications into MCP tool definitions" Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server)Publisher agentfront · publishing for 382 daysInstalls 64,241Last detonated 39 h ago
What would fix thisWatchDispute verdict

Coverage

Nothing executable in the bundle ran; the trace covers the install step only.
Tested
every file read, file written and host contacted by what ran
Not tested
use of the skill by an agent

Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (1 scenario; nothing executable in the bundle ran; the trace covers the install step only) on 2026-11-12 and scored it 73/100 (Caution). It is not known to be malicious, but it has behaviour or code a security policy should decide on before install. Notable findings: URL to the cloud instance metadata address; Prompting user to enter sensitive credentials; Prompting user to enter sensitive credentials. Summary: no network, touches nothing outside the project, writes no memory.

Behavior trace

Honeypot run · 0 s · 1 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
0.0sprocessscript backend runs setup only
0.0sprocessscript backend runs setup only
0.0sprocessno install scripts to re-run

Static findings

CRITICAL
URL to the cloud instance metadata addressindex.js:4099 · URL to the cloud instance metadata address — reads the VM's credentials// 302 → `http://169.254.169.254/...` and smuggle a blocked target pastFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST07
CRITICAL
Prompting user to enter sensitive credentialsindex.js:5055 · Prompting user to enter sensitive credentials — social engineeringmessage: `Provide the API key for "${scheme}".`,Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST03
CRITICAL
Prompting user to enter sensitive credentialsesm/index.mjs:4967 · Prompting user to enter sensitive credentials — social engineeringmessage: `Provide the API key for "${scheme}".`,Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST03
CRITICAL
URL to the cloud instance metadata addressesm/index.mjs:4011 · URL to the cloud instance metadata address — reads the VM's credentials// 302 → `http://169.254.169.254/...` and smuggle a blocked target pastFix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
AST07

Cost to the agent

Instructions loaded
≈50 tok
1 file · 32 in bundle

Tokens estimated at four characters each. Skills load their instruction text when triggered; the figure is what that costs.

Known vulnerabilities

No advisories in OSV for mcp-from-openapi@2.9.3 as of 38 h ago. This is the package itself, not its dependencies.

What would make this Verified

7 points to 80 · weights: behavior 45%, static 25%, prompt 15%, publisher 15%
  1. URL to the cloud instance metadata address≈ +9 on the totalStop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
  2. Prompting user to enter sensitive credentials≈ +9 on the totalStop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.
  3. Unclaimed publisher≈ +8 on the totalClaim agentfront: a verified publisher gets +50 on publisher trust. It is free and usually instant with GitHub sign-in.
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