tlaplus-mcp

Exposes the TLA+ toolchain (TLC, SANY, PlusCal, TLATeX) as structured JSON tools via the Model Context Protocol, enabling AI assistants to parse, check, simulate, and typeset TLA+ specifications.

→ richashworth/tlaplus-mcp · listed on glama

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// key findings

⚠️

Tool descriptions don’t match what handlers do

2 tools describe read intent but their handlers mutate — tla_parse (line 54: parsingFileRe.exec(output)); tla_state_graph (line 290: fs.mkdirSync(dirname(outputFile), { recursive: true }))

⚠️

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.

// required environment variables

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

configTLC_JAR_PATH— The server auto-downloads tla2tools.jar to ~/.tlaplus-mcp/lib/ on first use. Set to override.

configTLC_JAVA_OPTS— JVM options -Xmx4g -XX:+UseParallelGC

configTLC_TIMEOUT— Max seconds per TLC run 300

configTLC_WORKSPACE— Base directory for specs Current working directory

// 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 8 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/richashworth-tlaplus-mcp-120lcg)](https://m8ven.ai/mcp/richashworth-tlaplus-mcp-120lcg)

commit: f93660a4f5554cfebcaca290854737b99ff21b79

code hash: 49eab432734cce5c7305bf6efef00cec87bac07849e5f9c37480621a2f0f07f6

verified: 5/31/2026, 9:12:49 AM

view raw JSON →