theYahia/yandex-speechkit-mcp (theYahia/yandex-speechkit-mcp) is an MCP server listed on the M8ven Trust Index. It scores 54 out of 100, grade D. It declares 5 tools. No publisher has claimed this listing.

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D
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54/100

theYahia/yandex-speechkit-mcp

Enables speech recognition, synthesis, and voice listing via Yandex SpeechKit API through 5 tools.

→ theYahia/yandex-speechkit-mcp· listed on glama

Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

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Who stands behind it

theYahia

Source: Glama

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Install from

Glamanot scored here

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
🚨
Known vulnerabilities in dependencies: 2 critical, 3 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
🔐
You'll be asked for 3 credentials: IAM_TOKEN, YANDEX_API_KEY, YANDEX_SPEECHKIT_API_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// tools this server exposes5 tools

These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.

recognize

Speech recognition (STT) via Yandex SpeechKit. Takes Base64 audio, returns text.

synthesize

Speech synthesis (TTS) via Yandex SpeechKit. Takes text, returns Base64 audio.

list_voices

List available TTS voices. Optionally filter by language.

skill_transcribe

High-level transcription skill. Returns clean text from audio.

skill_synthesize

High-level speech synthesis skill. Smart voice defaults, auto-detects language.

// known CVEs in dependencies2 critical3 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

criticalvitest@3.0.0GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

criticalvitest@3.0.0GHSA-9crc-q9x8-hgqq

Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening

high@modelcontextprotocol/sdk@1.12.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// 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.
configFOLDER_ID"": "your-folder-id"
🔐 secretIAM_TOKENShort-lived IAM token (alternative to API key)
🔐 secretYANDEX_API_KEYLegacy alias (still works)
configYANDEX_FOLDER_IDLegacy alias for FOLDER_ID
🔐 secretYANDEX_SPEECHKIT_API_KEY"": "your-api-key",
Deployment configuration, supplied by whoever hosts the server. Users are not asked for these.
deployPORT
// quality suggestions

Tool annotations

No tools have read-only/destructive annotations

Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.

All four hints declared on every tool

5/5 tools missing one or more hints — recognize (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); synthesize (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); list_voices (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +2 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.

Tool inputs are validated

Only 0/5 tool handlers declare input schemas (0%)

Declare an inputSchema with zod/joi/yup on every tool definition.

Tool handlers catch errors

Only 0/5 tool handlers wrap calls in try/catch (0%)

Wrap each tool handler body in try/catch and return a structured error response.

Tool test coverage

2/5 tools referenced in tests (40%)

Write tests that reference each tool by name so every tool has at least one test.

Production dependencies are patched

0 critical, 3 high severity in production deps — @modelcontextprotocol/sdk@1.12.0 (high), @modelcontextprotocol/sdk@1.12.0 (high)

Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.

Dev dependencies

2 critical/high in dev-only deps (does not ship to users)

Upgrade dev dependencies when convenient.

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 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
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commit: 2e86bb3f81be5157650ee6c384c12e1df73ec347
code hash: be72bdfb77fb9dd7ee09d73585feba05d613723bbdcdd06bc80406174729486d
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