spline-mcp-server: An MCP server for working with Spline 3D design tool API

by aydinfer · MCP Server · ★ 85

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How to install spline-mcp-server

git clone https://github.com/aydinfer/spline-mcp-server.git

Taken from the project's README on GitHub.

Security audit verdict: SAFE · quality 68/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours.

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

Quick Facts

Stars85
Forks15
LanguageJavaScript
CategoryMCP Server
LicenseMIT
Quality Score68/100
Last Updated2026-03-09
Created2025-03-22
Platformsmcp, node
Est. Tokens~11k

About spline-mcp-server

Spline.design MCP Server (Archived) This project is archived. Spline.design does not provide a public REST API, making most of this server's functionality non-operational. See below for details. Why archived This MCP server was built to programmatically control Spline.design 3D scenes through Claude. However, Spline does not offer a public REST API for scene manipulation.

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

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