https://github.com/A1-x-Tech/mcp-google-custom-search

mcp-google-custom-search

Caution

Score 71 / 100 · 44 files read · 0 critical, 0 high, 3 medium, 7 low findings

Report c038006ed3762432 · first scanned 2026-10-28 · scanned 3× · keyed to the exact package contents, so this link always shows this version

Listed in the Agent Census directory data

Subscores

credentials88

exfiltration92

execution92

injection100

obfuscation98

files92

100 is clean. Deductions come only from the cited findings below.

Findings

mediumCode contacts static.modelcontextprotocol.io, which the documentation never mentions

(package) · line 1 · rule M3

static.modelcontextprotocol.io

mediumRuns a command automatically at install time (prepare)

package.json · line 1 · rule M4

prepare: npm run build

mediumWrites files under the user home directory

src/telemetry.ts · line 14 · rule M5

Sync, readFileSync, writeFileSync } from "node:fs"; import { homedir } from "node:os"; import { join } from "node:path"; import ty

low2 binary file(s) were not parsed (static text analysis only)

(package) · line 1 · rule L3

2 binary files

lowReads named environment variables (normal for API keys; listed in the permission summary)

src/config.ts · line 99 · rule L1

{ const apiKey = process.env.GOOGLE_CUSTOM_SEARCH_API_KEY; const engineId = process.env.GOOGLE_CUSTOM_SEARCH_ENGINE_ID; if

lowReads named environment variables (normal for API keys; listed in the permission summary)

src/index.ts · line 78 · rule L1

config: { apiBase: process.env.GOOGLE_CUSTOM_SEARCH_API_BASE || DEFAULT_BASE }, problem: err, }; } } async function

lowReads named environment variables (normal for API keys; listed in the permission summary)

src/smoke.ts · line 14 · rule L1

process.argv[2] ?? process.env.GOOGLE_CUSTOM_SEARCH_SMOKE_QUERY ?? "model context protocol"; const result = await client.search

lowReads named environment variables (normal for API keys; listed in the permission summary)

src/telemetry.test.ts · line 97 · rule L1

one. const prev = process.env.XDG_CONFIG_HOME; process.env.XDG_CONFIG_HOME = mkdtempSync(join(tmpdir(), "beacon-test-")); tr

lowReads named environment variables (normal for API keys; listed in the permission summary)

src/telemetry.ts · line 23 · rule L1

NodeJS.ProcessEnv = process.env): boolean { const value = (env.ASKADS_TELEMETRY ?? "").trim().toLowerCase(); return !["0", "fa

lowReads named environment variables (normal for API keys; listed in the permission summary)

test/dist-smoke.test.js · line 93 · rule L1

env: { ...process.env, GOOGLE_CUSTOM_SEARCH_API_KEY: "test-key", GOOGLE_CUSTOM_SEARCH_ENGINE_ID: "test-cx",

Permission surface

Network endpoints: api.github.comcdn.example.comcode.claude.comcode.visualstudio.comcursor.comcustomsearch.googleapis.comdevelopers.google.comenc.example.comevil.exampleexample.comexample.invalidexample.testgithub.comglama.aiimg.shields.iokeepachangelog.comlearn.chatgpt.comlobehub.commodelcontextprotocol.ioopencollective.comprogrammablesearchengine.google.comregistry.npmjs.orgsemver.orgstatic.modelcontextprotocol.iosupport.claude.comt.meusage.gistrec.cloudwww.npmjs.com
Environment read: GOOGLE_CUSTOM_SEARCH_API_BASEGOOGLE_CUSTOM_SEARCH_API_KEYGOOGLE_CUSTOM_SEARCH_ENGINE_IDGOOGLE_CUSTOM_SEARCH_MAX_RETRIESGOOGLE_CUSTOM_SEARCH_SMOKE_QUERYGOOGLE_CUSTOM_SEARCH_TIMEOUT_MSXDG_CONFIG_HOME
Shell execution: no
Install hooks: prepare: npm run build
Credential material: Reads named environment variables (normal for API keys; listed in the permission summary)

Provenance

Source: GitHub
Repository: A1-x-Tech/mcp-google-custom-search
Owner: A1-x-Tech
Stars: 0
Forks: 0
Repo created: 2026-08-30
Last push: 2026-10-04
License: MIT

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