SignalK MCP Server

Item: SignalK MCP Server
Rating: 62
Author: M8ven

Enables AI agents to access SignalK marine data with 90-96% token reduction by executing JavaScript code in V8 isolates for client-side filtering and processing.

→ VesselSense/signalk-mcp-server · 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.

🔐

You'll be asked for 1 credential: SIGNALK_TOKEN

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// known CVEs in dependencies3 high1 low

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

high@modelcontextprotocol/sdk@0.5.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@0.5.0GHSA-w48q-cv73-mx4w

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

highws@8.18.0GHSA-96hv-2xvq-fx4p

ws: Memory exhaustion DoS from tiny fragments and data chunks

lowws@8.18.0GHSA-58qx-3vcg-4xpx

ws: Uninitialized memory disclosure

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// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configEXECUTION_MODE— code # code (default) tools (legacy) hybrid

configJEST_WORKER_ID

configSERVER_NAME— signalk-mcp-server

configSERVER_VERSION

configSIGNALK_CONTEXT

configSIGNALK_HOST— "": "localhost",

configSIGNALK_PORT— "": "3000",

configSIGNALK_TLS— "": "false"

🔐 secretSIGNALK_TOKEN

// 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 2 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/vesselsense-signalk-mcp-server-pijtp5)](https://m8ven.ai/mcp/vesselsense-signalk-mcp-server-pijtp5)

commit: e04e7dba68b43a4e1c1534b03c0da6192d82ec9d

code hash: 03d91d59e739b861abae6154abf07a1691d1c76468f675ffc62fc79f60e3494d

verified: 6/18/2026, 11:41:43 AM

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