mcp-ephemeris

Item: mcp-ephemeris
Rating: 56
Author: M8ven

An MCP server that provides computed planetary positions using the Swiss Ephemeris engine, validated against JPL Horizons to under one arcsecond. It enables AI assistants to answer astrology and astronomy questions with real, never-guessed data.

→ kairosastro-sketch/mcp-ephemeris · 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@1.12.0GHSA-345p-7cg4-v4c7

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

high@modelcontextprotocol/sdk@1.12.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.0GHSA-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.

configASTRO_ALLOW_FALLBACK

configASTRO_ENGINE— Computation is routed by the variable:

configEPHEMERIS_DISABLE_REDIS

configREDIS_URL

configSWISSEPH_PATH

// 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/kairosastro-sketch-mcp-ephemeris-2uoc13)](https://m8ven.ai/mcp/kairosastro-sketch-mcp-ephemeris-2uoc13)

commit: ba8d1b4e0011dadf188c8345d351608d9ae4257f

code hash: bd94a254697cd00d3129d08c1f95e7b233c9cf1a6a793aeedbd8086a746b4656

verified: 7/22/2026, 8:38:11 AM

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