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glama

gemini-diagram-mcp

MCP server for generating diagrams, charts, and visualizations using Gemini image generation on Vertex AI. Supports auto-detection of diagram types, multiple style modes, and iterative refinement.

→ arunsanna/gemini-diagram-mcp· listed on glama
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// key findings
⚠️
Known vulnerabilities in dependencies: 2 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.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 6 credentials: GOOGLE_API_KEY, GOOGLE_CLOUD_API_KEY, MCP_ALLOW_QUERY_TOKEN, MCP_AUTH_TOKEN, MCP_BEARER_TOKEN, VERTEX_AI_API_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies2 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-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

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 →
// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
configALLOWED_HOSTS— Comma-separated allowed host headers
🔐 secretGOOGLE_API_KEY— VERTEX_AI_API_KEY (preferred) or / GOOGLE_CLOUD_API_KEY
🔐 secretGOOGLE_CLOUD_API_KEY— VERTEX_AI_API_KEY (preferred) or GOOGLE_API_KEY /
configGOOGLE_GENAI_USE_VERTEXAI— true is enforced by the server
configHOST— 0.0.0.0 HTTP server bind host
configINLINE_IMAGES— 0 Include base64 image data in tool responses
🔐 secretMCP_ALLOW_QUERY_TOKEN— ?token=... is disabled by default in oidc mode; set =1 to allow it (not recommended)
configMCP_AUTH_MODE— Static token (default): =token + MCP_AUTH_TOKEN (or MCP_AUTH_TOKENS)
🔐 secretMCP_AUTH_TOKEN— Static token (default): MCP_AUTH_MODE=token + (or MCP_AUTH_TOKENS)
configMCP_AUTH_TOKENS— Static token (default): MCP_AUTH_MODE=token + MCP_AUTH_TOKEN (or )
🔐 secretMCP_BEARER_TOKEN— (required; OIDC access token or static token)
configMCP_MAX_SESSIONS— 100 Maximum concurrent sessions
configMCP_REMOTE_URL— (default: http://localhost:3000/mcp)
configMCP_SESSION_TIMEOUT_MIN— 30 Session timeout in minutes
configOIDC_AUDIENCE— OIDC JWT (recommended for multi-user): MCP_AUTH_MODE=oidc + OIDC_ISSUER (+ recommended)
configOIDC_ISSUER— OIDC JWT (recommended for multi-user): MCP_AUTH_MODE=oidc + (+ OIDC_AUDIENCE recommended)
configOIDC_JWKS_URI— =https://issuer.example.com/.../jwks.json
configOUTPUT_DIR— ./data/out Output directory for generated images
configPORT— 3000 HTTP server bind port
configPUBLIC_BASE_URL
🔐 secretVERTEX_AI_API_KEY— (preferred) or GOOGLE_API_KEY / GOOGLE_CLOUD_API_KEY
configVERTEX_AI_IMAGE_MODEL— gemini-3-pro-image-preview by default (see [Supported Models](#supported-models))
// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// 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 Score](https://m8ven.ai/badge/mcp/arunsanna-gemini-diagram-mcp-1wezc1)](https://m8ven.ai/mcp/arunsanna-gemini-diagram-mcp-1wezc1)
commit: a7cf743234049af9f8464ff2aedcfe7505251c62
code hash: 138b99cc544902c2ecb673f4c49d80d6a98a195271d74d979746ee8871254c2f
verified: 6/24/2026, 10:19:44 AM
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