lettras-sdkCAUTION
Developer tools for Lettras: a word-search generator for 6 languages (es, en, pt, fr, de, it) that keeps native accented letters. npm library + CLI, Kotlin library on Maven Central (JVM/Android) and a Rust MCP server, all running one compiled Rust engine (WebAssembly) locally.
Overview
From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.
Word-search puzzles and Unicode text styles in six languages, with every accent intact.
Developer tools for Lettras, the free word-puzzle platform. Generate word searches from any word list in Spanish, English, Portuguese, French, German and Italian, with native letters (Ñ, Ç, Ã, Ä, ẞ, È...) kept as one cell each, from your own code, a terminal, or an AI assistant.
b7b784a1924dOBSERVED · 2026-10-11Connect
Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control.
claude mcp add lettras -- npx -y [email protected]
{
"mcpServers": {
"lettras": {
"command": "npx",
"args": [
"-y",
"[email protected]"
]
}
}
}Trust audit
CAUTIONgrade B · trust 86/100 Install with care. The audit found things worth knowing before you trust its output.
| Layer | What it checks | Result |
|---|---|---|
| L0 | Provenance & inventory | WARN |
| L1 | Static analysis of the code | PASS |
| L2 | Instruction surface (what it tells the agent) | PASS |
| L3 | Class-specific surface | WARN |
| L4 | Behavioural (sandbox) | SKIPPED |
What the source does
- Filesystem
- none-observed
- Network
- declared (1 observation(s))
- Shell
- none-observed
- Dependencies
- pinned
- Secrets in source
- none-found
Findings (6)
gradle-wrapper.jar
lettras_engine.wasm
lettras_engine.wasm
streamable-http
npm/engine/index.js
Gates applied: no_behavioural_pass.
b7b784a1924dfull audit observations/trust-audit/mcp-server/artificialss__lettras-sdk.json · Report an issue / request a re-scanAudit history
Every audit this server has had. A grade with a past is a grade somebody is still checking.
| Date | Source | Verdict | Grade | Score | Change |
|---|---|---|---|---|---|
| 2026-10-11 | b7b784a1924d | CAUTION | B | 86 | first audit |
Questions
What is the lettras-sdk MCP server?
Developer tools for Lettras: a word-search generator for 6 languages (es, en, pt, fr, de, it) that keeps native accented letters. npm library + CLI, Kotlin library on Maven Central (JVM/Android) and a Rust MCP server, all running one compiled Rust engine (WebAssembly) locally.
Is lettras-sdk safe to connect to an agent?
With care. The audit graded it B (86/100) and found 6 things worth knowing before you trust this server, listed below with the exact line each was found on.
What credentials does lettras-sdk need?
No credential environment variables were found in its source, so it appears to need none.
How does lettras-sdk run?
It speaks streamable-http, so it runs as a service you connect to over the network. It is published on npm as lettras at 0.4.0.
How current is this page?
The grade is for one exact copy of the source (b7b784a1924d), read on 2026-10-11. The repository is watched and re-audited when it changes.