68
grade C
11 days ago
smithery
Transcriptor
An MCP server that fetches video transcripts/subtitles via yt-dlp, with pagination for large responses. Supports YouTube, Twitter/X, Instagram, TikTok, Twitch, Vimeo, Facebook, Bilibili, VK, Dailymotion, Reddit. Whisper fallback — transcribes audio when subtitles are unavailable.
Install from
M8ven verifies MCPs across every public registry — install directly from whichever one you prefer.
// key findings
✅
7 tools verified — handlers match their declared behaviour
7 read-only tools verified — handlers contain no write/delete/exec
✅
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.
🔐
You'll be asked for 5 credentials: MCP_AUTH_TOKEN, MCP_QUOTA_MESSAGE_INVALID_KEY, MCP_QUOTA_MESSAGE_NO_KEY, SMOKE_MCP_AUTH_TOKEN, WHISPER_API_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// required environment variables
This server reads these from
process.env. You'll be asked to provide them before it can run.config
BASE_URLconfig
CACHE_MODE— Redis caching — Cache subtitles and metadata to reduce yt-dlp calls. Configure via =redis and CACHE_REDIS_URL. See [Caching](docs/caching.md).config
CACHE_REDIS_URL— Redis caching — Cache subtitles and metadata to reduce yt-dlp calls. Configure via CACHE_MODE=redis and . See [Caching](docs/caching.md).config
CACHE_TTL_METADATA_SECONDSconfig
CACHE_TTL_SUBTITLES_SECONDSconfig
COOKIES_FILE_PATH— an authenticated cookies.txt file and the environment variable.config
CORS_ALLOWED_ORIGINSconfig
HOST— If you change PORT / , adjust the URL accordingly, e.g. http://<HOST>:<PORT>/docs.config
JEST_WORKER_IDconfig
LOAD_BASE_URLconfig
LOG_LEVELconfig
MCP_ALLOWED_HOSTSconfig
MCP_ALLOWED_ORIGINS🔐 secret
MCP_AUTH_TOKEN— If you set , add Authorization: Bearer <token> in the client headers.config
MCP_CLIENT_API_KEYS_FILEconfig
MCP_CLIENT_API_KEYS_JSONconfig
MCP_HOST— MCP_PORT=4200 =0.0.0.0 npm run start:mcp:httpconfig
MCP_METRICS_HTTP_REQUESTS_BY_CLIENT_IPconfig
MCP_PUBLIC_URLconfig
MCP_PUBLIC_URLSconfig
MCP_QUOTA_CONTACT_MESSAGEconfig
MCP_QUOTA_DEFAULT_MAXconfig
MCP_QUOTA_DEFAULT_WINDOWconfig
MCP_QUOTA_ENABLED🔐 secret
MCP_QUOTA_MESSAGE_INVALID_KEY🔐 secret
MCP_QUOTA_MESSAGE_NO_KEYconfig
MCP_QUOTA_REJECT_UNREGISTEREDconfig
MCP_RATE_LIMIT_TIME_WINDOWconfig
MCP_SMITHERY_PUBLIC_URLconfig
MCP_TRUST_PROXYconfig
RATE_LIMIT_TIME_WINDOWconfig
SENTRY_DSNconfig
SENTRY_ENVIRONMENTconfig
SENTRY_RELEASEconfig
SENTRY_SEND_DEFAULT_PIIconfig
SENTRY_TRACES_SAMPLE_RATEconfig
SMOKE_IMAGE_API— Full API image reference (overrides name/tag).🔐 secret
SMOKE_MCP_AUTH_TOKEN— If set, passed to MCP container as MCP_AUTH_TOKEN and sent as Bearer in MCP requests.config
SMOKE_MCP_IMAGE— Full MCP image reference (overrides name/tag).config
SMOKE_SKIP_MCP— Set to 1 (or true/yes) to skip MCP checks.config
TEST_PARSE_INTconfig
WHISPER_API_BASE_URL🔐 secret
WHISPER_API_KEY— required when using Whisper API; never log or expose in client responses.config
WHISPER_BACKGROUND_TIMEOUTconfig
WHISPER_BASE_URLconfig
WHISPER_MODEconfig
WHISPER_TIMEOUTconfig
YT_DLP_AGE_LIMITconfig
YT_DLP_AUDIO_BUFFER_SIZEconfig
YT_DLP_AUDIO_CONCURRENT_FRAGMENTSconfig
YT_DLP_AUDIO_DOWNLOADERconfig
YT_DLP_AUDIO_DOWNLOADER_ARGSconfig
YT_DLP_AUDIO_FORMATconfig
YT_DLP_AUDIO_FRAGMENT_RETRIESconfig
YT_DLP_AUDIO_HTTP_CHUNK_SIZEconfig
YT_DLP_AUDIO_LIMIT_RATEconfig
YT_DLP_AUDIO_QUALITYconfig
YT_DLP_AUDIO_RETRIESconfig
YT_DLP_AUDIO_RETRY_SLEEPconfig
YT_DLP_AUDIO_THROTTLED_RATEconfig
YT_DLP_AUDIO_TIMEOUTconfig
YT_DLP_DOWNLOAD_ARCHIVEconfig
YT_DLP_ENCODINGconfig
YT_DLP_EXTRA_ARGSconfig
YT_DLP_IGNORE_NO_FORMATSconfig
YT_DLP_JS_RUNTIMESconfig
YT_DLP_MAX_FILESIZEconfig
YT_DLP_MAX_SLEEP_INTERVALconfig
YT_DLP_NO_WARNINGSconfig
YT_DLP_PLAYLIST_IGNORE_ERRORSconfig
YT_DLP_PROXYconfig
YT_DLP_REMOTE_COMPONENTSconfig
YT_DLP_REQUIREDconfig
YT_DLP_RETRIESconfig
YT_DLP_RETRY_SLEEPconfig
YT_DLP_SKIP_VERSION_CHECKconfig
YT_DLP_SLEEP_INTERVALconfig
YT_DLP_SLEEP_REQUESTSconfig
YT_DLP_SLEEP_SUBTITLESconfig
YT_DLP_SUB_FORMATconfig
YT_DLP_TIMEOUTconfig
YT_DLP_VERBOSE_ON_ERROR// 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 3 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
[](https://m8ven.ai/mcp/samson-art-transcriptor-mcp-1fxxg3)commit: 159902993f7b97a0a343c7530d63751f9307be41
code hash: 031603b98bfecf0860b7afc79a6a6dd144abd7a4c73afa442b072973f1762c2f
verified: 4/11/2026, 1:31:03 PM