Google Research MCP (zoharbabin/google-researcher-mcp) is an MCP server listed on the M8ven Trust Index. It scores 2 out of 100, grade F. It declares 3 tools. No publisher has claimed this listing.

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F
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2/100
3 months ago

Google Research MCP

Google Researcher MCP server enables AI assistants like Claude, GPT, and other LLMs to: Search the web via Google (general, images, news) Read any webpage including JavaScript-rendered sites Extract YouTube transcripts automatically Parse documents (PDF, DOCX, PPTX)

→ zoharbabin/google-researcher-mcp· listed on glama

Warning. Serious findings were identified. Review the full report before connecting. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

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Who stands behind it

zoharbabin

Source: Glama · also listed on mcp.so, github_topic

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// key findings
🚨
Hardcoded credentials detected
13 live-looking API keys in source: 13 Google API key
🔐
You'll be asked for 2 credentials: CACHE_ADMIN_KEY, GOOGLE_CUSTOM_SEARCH_API_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configALLOWED_DOMAINS
configALLOWED_ORIGINS
configALLOW_PRIVATE_IPS
🔐 secretCACHE_ADMIN_KEY
🔐 secretGOOGLE_CUSTOM_SEARCH_API_KEYYour existing and GOOGLE_CUSTOM_SEARCH_ID work without changes.
configGOOGLE_CUSTOM_SEARCH_IDYour existing GOOGLE_CUSTOM_SEARCH_API_KEY and work without changes.
configJEST_WORKER_ID
configOAUTH_AUDIENCE
configOAUTH_ISSUER_URL
configUNKNOWN_VAR
configYOUTUBE_TRANSCRIPT_DEBUG
configYOUTUBE_TRANSCRIPT_VERBOSE
// quality suggestions

All four hints declared on every tool

3/3 tools missing one or more hints — google_search (missing: destructiveHint, idempotentHint); scrape_page (missing: destructiveHint, idempotentHint); search_and_scrape (missing: destructiveHint, idempotentHint). OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.

For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.

Tool handlers catch errors

Only 0/3 tool handlers wrap calls in try/catch (0%)

Wrap each tool handler body in try/catch and return a structured error response.

No hardcoded API keys

13 live-looking API keys in source: 13 Google API key

Move secrets to environment variables (process.env.X) or your secret manager.

Shell command execution

4 child_process calls — runs shell commands

Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// improvement guidance — verified publishers only
We have 4 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Verified](https://m8ven.ai/badge/mcp/zoharbabin/google-researcher-mcp?variant=verified)](https://m8ven.ai/mcp/zoharbabin/google-researcher-mcp)
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commit: eef00cd4b72cbb511049c258c2033087eef50056
code hash: e4dc0e2c2492b7b970713a4ac02cfe44d14422bb40ff51aa5fa054bb670a6f6a
verified: 5/27/2026, 10:54:24 AM
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