Gemini MCP Server (riotofgeese/gemini-mcp) is an MCP server listed on the M8ven Trust Index. It scores 74 out of 100, grade C. It declares 5 tools. No publisher has claimed this listing.

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C
Caution
74/100

Gemini MCP Server

Provides access to Google's Gemini API for multi-turn conversations and image generation using Nano Banana, serving as a drop-in alternative to Codex MCP.

→ riotofgeese/gemini-mcp· listed on glama

Caution. Specific findings reduced this grade. They are listed on the page. 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

riotofgeese

Source: Glama

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Install from

Glamanot scored here

The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.

// key findings
⚠️
Known vulnerabilities in dependencies: 1 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
🔐
You'll be asked for 2 credentials: GEMINI_API_KEY, GOOGLE_API_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// tools this server exposes5 tools

These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.

gemini
gemini-reply

Continue a Gemini conversation by providing the conversation ID and prompt. Use this to continue a multi-turn conversation started with the 'gemini' tool.

gemini-image

Generate images using Nano Banana (Gemini's native image generation). Two models available: - Nano Banana (default): Fast, cheap (~$0.04/image), good for most use cases - Nano Banana Pro: Advanced model with better text rendering, infographics, diagrams Auto-detection: Says "nano banana pro" or me…

gemini-video-generate

Generate a video using Veo 3.1 (Google's video generation model). This starts an async video generation that takes 1-5 minutes. Returns an operation ID that you can use with gemini-video-check to poll for completion. Parameters: - prompt: Text description of the video to generate (required) - aspe…

gemini-video-check

Check the status of a video generation operation. If the video is still processing, returns the current status. If the video is complete, returns the video data. Parameters: - operationId: The operation ID from gemini-video-generate (optional - uses last operation if not provided) - outputPath: Op…

// known CVEs in dependencies1 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.0.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// 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.
🔐 secretGEMINI_API_KEYyour_api_key_here
configGEMINI_MODELgemini-3-pro-preview
🔐 secretGOOGLE_API_KEY
// quality suggestions

Tool annotations

No tools have read-only/destructive annotations

Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.

All four hints declared on every tool

5/5 tools missing one or more hints — gemini (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); gemini-reply (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); gemini-image (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +2 more. 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.

License file

No license file

Add a LICENSE file (MIT, Apache-2.0, etc.).

Tests exist

No test files found

Add tests that exercise each declared tool.

Secrets not written to files

2 secret values written to files

Avoid persisting secrets to disk. Keep them in memory or your secret manager.

Production dependencies are patched

0 critical, 1 high severity in production deps — @modelcontextprotocol/sdk@1.0.0 (high)

Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.

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 6 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/riotofgeese/gemini-mcp?variant=verified)](https://m8ven.ai/mcp/riotofgeese/gemini-mcp)
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commit: 760cc3c71c7b901eb55968af8a87a14b5aa15aa9
code hash: 05cd6f390ac414b1288c93ec75330c7b8fe5f75e3fe15d6ff1765fb885949475
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