YouTube TranscriptSAFE
This is an MCP server that allows you to directly download transcripts of YouTube videos.
Overview
From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.
[](https://mseep.ai/app/kimtaeyoon83-mcp-server-youtube-transcript)
[](https://archestra.ai/mcp-catalog/kimtaeyoon83__mcp-server-youtube-transcript)
[](https://smithery.ai/server/@kimtaeyoon83/mcp-server-youtube-transcript)
A Model Context Protocol server that enables retrieval of transcripts from YouTube videos. This server provides direct access to video captions and subtitles through a simple interface.
Installing via Smithery
To install YouTube Transcript Server for Claude Desktop automatically via Smithery:
npx -y @smithery/cli install @kimtaeyoon83/mcp-server-youtube-transcript --client claude
Components
Tools
- get_transcript
- Extract transcripts from YouTube videos
- Inputs:
url(string, required): YouTube video URL, Shorts URL, or video IDlang(string, optional, default: "en"): Language code for transcript (e.g., 'ko', 'en'). Automatically falls back to available languages if requested language is not found.include_timestamps(boolean, optional, default: false): Include timestamps in output (e.g., '[0:05] text')strip_ads(boolean, optional, default: true): Filter out sponsorships, ads, and promotional content from transcript based on chapter markers
- analyze_video (optional, requires a TwelveLabs API key)
- Analyze a video with TwelveLabs Pegasus, a video-understa
8df6dc068e43OBSERVED · 2026-09-29Connect
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. Replace the environment placeholders with a token scoped to the least it needs.
claude mcp add mcp-server-youtube-transcript --env TWELVELABS_API_KEY=${TWELVELABS_API_KEY} -- npx -y @kimtaeyoon83/[email protected]{
"mcpServers": {
"mcp-server-youtube-transcript": {
"command": "npx",
"args": [
"-y",
"@kimtaeyoon83/[email protected]"
],
"env": {
"TWELVELABS_API_KEY": "${TWELVELABS_API_KEY}"
}
}
}
}Exposed tools (1)
1 read · 0 write · 0 destructive.
| Tool | Risk | Description |
|---|---|---|
get_transcript | read | Extract transcript from a YouTube video URL or ID. Automatically falls back to available languages if requested language is not available. |
Trust audit
SAFEgrade B · trust 89/100 Nothing in the source contradicts what it says it does. Grade A is reserved for packages that have also passed the behavioural sandbox.
| Layer | What it checks | Result |
|---|---|---|
| L0 | Provenance & inventory | PASS |
| L1 | Static analysis of the code | PASS |
| L2 | Instruction surface (what it tells the agent) | PASS |
| L3 | Class-specific surface | PASS |
| L4 | Behavioural (sandbox) | SKIPPED |
What the source does
- Filesystem
- none-observed
- Network
- declared (1 observation(s))
- Shell
- none-observed
- Dependencies
- not all pinned
- Secrets in source
- none-found
Findings (2)
@modelcontextprotocol/sdk, mcp-evals, twelvelabs-js, @types/node, shx, typescript
The evals package loads an mcp client that then runs the index.ts file, so there is no need to rebuild between tests. You can load environment variables by prefixing the npx command. Full documentatio
Gates applied: no_behavioural_pass.
8df6dc068e43full audit observations/trust-audit/mcp-server/kimtaeyoon83__youtube-transcript-2.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 |
|---|---|---|---|---|---|
| 2026-09-29 | 8df6dc068e43 | SAFE | B | 89 | first audit |
Questions
What is the YouTube Transcript MCP server?
This is an MCP server that allows you to directly download transcripts of YouTube videos.
What tools does YouTube Transcript expose?
1 in total: 1 read-only, 0 that write, and 0 that can delete or overwrite. Every one is listed on this page with its risk.
Is YouTube Transcript safe to connect to an agent?
The audit found nothing in the source that contradicts what it says it does, and graded it B (89/100). Grade A is held back for packages that have also passed a sandboxed behavioural run, which is why a clean server reads B.
What credentials does YouTube Transcript need?
It reads TWELVELABS_API_KEY from the environment. Give it a token scoped to the least it needs — an agent that can be talked into calling a tool can be talked into calling it with your credentials.
How does YouTube Transcript run?
It speaks stdio, so it runs as a local process your client starts. It is published on npm as @kimtaeyoon83/mcp-server-youtube-transcript at 0.1.1.
How current is this page?
The grade is for one exact copy of the source (8df6dc068e43), read on 2026-09-29. The repository is watched and re-audited when it changes.