comfyui-mcp

MCP server for ComfyUI — text-to-image, variations, img2img refine, upscale, image proxy, and workflow runner.

→ miller-joe/comfyui-mcp · listed on glama

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// key findings

⚠️

Known vulnerabilities in dependencies: 3 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.

// known CVEs in dependencies3 high

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

high@modelcontextprotocol/sdk@1.11.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.11.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.11.0GHSA-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.

configCOMFYUI_DEFAULT_CKPT— (no flag) sd_xl_base_1.0.safetensors Default checkpoint filename

configCOMFYUI_PUBLIC_URL— comfyui-public-url same as --comfyui-url External URL in image URLs returned to clients. Set this when the internal URL is not reachable from MCP clients (common with Docker networks).

configCOMFYUI_TEMPLATES_DIR

configCOMFYUI_URL— e =http://your-comfyui-host:8188 \

configMCP_HOST— host 0.0.0.0 Bind host (HTTP mode only)

configMCP_PORT— port 9100 Bind port (HTTP mode only)

configMCP_TRANSPORT— stdio =stdio (unset) Speak MCP over stdio instead of HTTP. Use when launched as a subprocess by a stdio-first MCP client (Claude Desktop, mcp-inspector).

configXDG_CONFIG_HOME

// 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 7 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/miller-joe-comfyui-mcp-dxiywy)](https://m8ven.ai/mcp/miller-joe-comfyui-mcp-dxiywy)

commit: 9f3481f80673c6d7d79faaa2143eacfd358c9e53

code hash: f836359ac5ea4ec944f36d6a3ed5d4a61fe6e3b242a30d43a4bda8496aa8a1d3

verified: 6/10/2026, 10:47:48 AM

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