cad-solver (valentil/cad-solver) is an MCP server listed on the M8ven Trust Index. It scores 74 out of 100, grade C. It declares 39 tools. No publisher has claimed this listing.

Back to MCP Trust IndexM8ven
C
Emerging
74/100
10 days ago

cad-solver

An AI Native MCP Plugin lean JavaScript CAD kernel. It parses STEP (ISO 10303 / AP203) and STL files, tessellates analytic surfaces (planes, cylinders, cones, spheres, tori, B-spline/NURBS patches) into triangle meshes, and exports watertight STL. Node.js with no CAD dependencies.

→ valentil/cad-solver· listed on github_code

Emerging. No concerning findings. Grades remain capped until the project builds reputation through adoption. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

How we verified

⚡ Live Monitored: not connected

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Who stands behind it

valentil

Source: github_code

Is this your MCP?

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Install from

GitHub

The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.

// key findings
✅
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.
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configCADSOLVER_MCP_DEBUGas --debug
configCADSOLVER_MCP_MAX_BYTESgovernor hard cap on in-memory model bytes (ADR-3); unset → half the Node heap ceiling
configCADSOLVER_MCP_MAX_TRIANGLESgovernor per-request tessellation ceiling (ADR-3); unset → what the byte cap could hold
configCADSOLVER_MCP_OUTPUT_DIRlanded under the configured . (That proof is also
configCADSOLVER_MCP_STOCK_STDIO
configCADSOLVER_MCP_WARN_BYTESgovernor soft threshold — sets headroom.softWarn (ADR-3); unset → 75% of the cap
configCADSOLVER_QUIETsilence the CAD kernel's own diagnostics (defaulted on)
configCADSOLVER_TELEMETRYOff-switches still win, endpoint or not: =off,
// quality suggestions

All four hints declared on every tool

32/39 tools missing one or more hints — cad_configure (missing: destructiveHint, openWorldHint); cad_help (missing: destructiveHint); cad_license (missing: destructiveHint), +29 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.

For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.

Dependency freshness

1/3 production deps stale: ajv-formats@2024-03-30 (2.4y)

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// improvement guidance — verified publishers only
We have 1 concrete improvement 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/valentil/cad-solver)](https://m8ven.ai/mcp/valentil/cad-solver)
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commit: d675468d107336898fb6131062e8a86a23e585c6
code hash: ea1ca9fa1e5c1c3170b12ef37775fe65c043cd89b521369fce7a9cd7ebc6c2f4
verified: 9/2/2026, 7:04:19 PM
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