DeepSlate MCP

Item: DeepSlate MCP
Rating: 69
Author: M8ven

An MCP server that renders Minecraft structure files (NBT / Sponge schematic / Litematic) into PNG preview images using vanilla Minecraft resources.

→ Philogag/deepslate-mcp · listed on glama

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// key findings

⚠️

Tool descriptions don’t match what handlers do

1 tool describes read intent but its handler mutates — render_blocks (line 128: fs.writeFile(outputPath, png))

⚠️

Tests do not pass

Either the test suite is broken or the code regressed. Either way the published behaviour can’t be verified by the publisher’s own tests.

✅

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.

// required environment variables

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

configDEEPSLATE_CACHE_DIR— Override the cache directory (default: ~/.cache/deepslate-mcp)

configDEEPSLATE_JAR_PATH— Point to a pre-downloaded client.jar (skips network)

configTEST_TMPDIR

// 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/philogag-deepslate-mcp-xzndb8)](https://m8ven.ai/mcp/philogag-deepslate-mcp-xzndb8)

commit: 2f99c4f586753d2a60a343186aec813e34a78b90

code hash: c1ca3ae7e94ad5510dd6fc147d60e2daa2088f5ffb5ac798194e2c5506ceff4d

verified: 7/9/2026, 10:05:35 AM

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