gemini-mcp
MCP Server that enables Claude code to interact with Gemini
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RLabs-Inc
Source: github_code · also listed on github_topic, Glama, mcp.so
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
When Vitest UI server is listening, arbitrary file can be read and executed
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
undici vulnerable to cross-user information disclosure and parse-time crash via degenerate private cache directives
FORCE_COLORGEMINI_API_KEYclaude mcp add gemini -s user -- env =YOUR_KEY npx -y @rlabs-inc/gemini-mcpGEMINI_DEEP_RESEARCH_AGENTGEMINI_ENABLED_TOOLSNo - Comma-separated list of tool groups to load (e.g., query,search,image-gen)GEMINI_FLASH_MODELNo gemini-3-flash-preview Flash model (Gemini 3)GEMINI_IMAGE_MODELNo gemini-3-pro-image-preview Image model (Nano Banana Pro)GEMINI_IMAGE_THINKING_LEVELNo high Default thinking level for image generation (minimal, low, medium, high)GEMINI_MODELNo - Override model for init testGEMINI_OUTPUT_DIRclaude mcp add gemini -s user -- env GEMINI_API_KEY=YOUR_KEY =/path/to/output bunx -y @rlabs-inc/gemini-mcpGEMINI_PRO_MODELNo gemini-3-pro-preview Pro model (Gemini 3)GEMINI_TOOL_PRESETNo - Preset profile: minimal, text, image, research, media, fullGEMINI_VIDEO_MODELNo veo-2.0-generate-001 Video modelHTTPS_PROXY"": "http://127.0.0.1:xxxx"HTTP_PROXY"": "http://127.0.0.1:xxxx",NO_COLORQUIETNo false Minimize loggingXDG_CONFIG_HOMETool 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
37/37 tools missing one or more hints — gemini-analyze-code (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); gemini-analyze-text (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); gemini-brainstorm (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +34 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.
Tool inputs are validated
33/37 tool handlers declare input schemas (89%)
Declare an inputSchema with zod/joi/yup on every tool definition.
Tool handlers catch errors
34/37 tool handlers wrap calls in try/catch (92%)
Wrap each tool handler body in try/catch and return a structured error response.
License file
No license file
Add a LICENSE file (MIT, Apache-2.0, etc.).
Tool test coverage
Only 1/37 tools referenced in tests (3%)
Write tests that reference each tool by name so every tool has at least one test.
Secrets stay with their owner
1 secret/sensitive value flow into network calls (GEMINI_API_KEY → dynamic)
Audit where credentials are sent. A NOTION_TOKEN should only reach api.notion.com — never a third-party host.
Secrets not written to files
1 secret value written to files
Avoid persisting secrets to disk. Keep them in memory or your secret manager.
Production dependencies are patched
0 critical, 8 high severity in production deps — @modelcontextprotocol/sdk@1.22.0 (high), @modelcontextprotocol/sdk@1.22.0 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
Dev dependencies
1 critical/high in dev-only deps (does not ship to users)
Upgrade dev dependencies when convenient.
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