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mcp-serverSAFE

mcp/transcriptfetch/mcp-server
MCP server by transcriptfetch · ai · ai agents · claude · Audited 2026-10-12
⚑ Report / re-scanSource ↗

MCP server for TranscriptFetch: transcripts from YouTube, TikTok, Instagram and media URLs, with AI transcription when captions are missing, plus YouTube search, channel and playlist listing, from any MCP client.

Verdict
SAFE
Grade
B
Trust score
89 /100
Exposed tools
4 4r · 0w · 0d
Transport
stdio
License
MIT
Stars
1
01

Overview

From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.

A Model Context Protocol server that gives any MCP client (Claude Desktop, Cursor, and others) access to the TranscriptFetch API: a production transcript API for YouTube, TikTok and Instagram, with AI transcription when captions are missing. Fetch transcripts, search videos, list channels and playlists, and check your credit balance.

Get an API key

  1. Create a free account at transcriptfetch.com. No card needed.
  2. Open Dashboard, then API keys and create a key. It starts with tf_live_.
  3. Put it in TRANSCRIPTFETCH_API_KEY in the client configuration below.

Every account gets 50 free credits a month. Failures are free: a fetch that returns no transcript is never charged.

Runs locally over stdio and calls the TranscriptFetch API with your key. Prefer a hosted, remote server? Point your client at https://transcriptfetch.com/mcp instead (OAuth or API key). The hosted server waits inline for short-form AI transcription, so no polling is needed there.

Tools

Pricing is per successful result: a caption fetch or a video list costs 1 credit, and AI transcription of the audio costs 1 credit

Read from source at commit e1c4479e73b1OBSERVED · 2026-10-12
02

Connect

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-code
claude mcp add transcriptfetch-mcp -- npx -y [email protected]
claude-desktop
{
  "mcpServers": {
    "transcriptfetch-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ]
    }
  }
}
03

Exposed tools (4)

4 read · 0 write · 0 destructive.

ToolRiskDescription
get_creditsreadCheck the remaining TranscriptFetch credit balance for the current API key. Free: this call is never billed.
list_channel_videosreadList recent videos for a YouTube channel. Accepts a channel handle (@name), channel ID (UC...), or URL.
list_playlist_videosreadList the videos in a YouTube playlist. Accepts a playlist ID or URL.
search_videosreadSearch YouTube for videos matching a query. Returns titles, IDs, and URLs.
04

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.

LayerWhat it checksResult
L0Provenance & inventoryPASS
L1Static analysis of the codePASS
L2Instruction surface (what it tells the agent)PASS
L3Class-specific surfacePASS
L4Behavioural (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)

LOWSupply chain · supply.unpinned · CWE-829, CWE-1357
package.json
@modelcontextprotocol/sdk, @types/node, tsup, typescript
Why it matters. 4 dependency range(s) float
Fix. pin exact versions or ship a lockfile
INFOPrompt injection · prompt.credential_read · CWE-94, CWE-1427
README.md:12
2. Open [Dashboard, then API keys](https://transcriptfetch.com/app/keys) and create a key. It starts with `tf_live_`.
Why it matters. asks the agent to read credentials

Gates applied: no_behavioural_pass.

Audited 2026-10-12 · audit v0.4.1 · source sha e1c4479e73b1full audit observations/trust-audit/mcp-server/transcriptfetch__mcp-server.json · Report an issue / request a re-scan
05

Audit history

Every audit this server has had. A grade with a past is a grade somebody is still checking.

DateSourceVerdictGradeScoreChange
2026-10-12e1c4479e73b1SAFEB89first audit
06

Questions

What is the mcp-server MCP server?

MCP server for TranscriptFetch: transcripts from YouTube, TikTok, Instagram and media URLs, with AI transcription when captions are missing, plus YouTube search, channel and playlist listing, from any MCP client.

What tools does mcp-server expose?

4 in total: 4 read-only, 0 that write, and 0 that can delete or overwrite. Every one is listed on this page with its risk.

Is mcp-server 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 mcp-server need?

No credential environment variables were found in its source, so it appears to need none.

How does mcp-server run?

It speaks stdio, so it runs as a local process your client starts. It is published on npm as transcriptfetch-mcp at 0.2.8.

How current is this page?

The grade is for one exact copy of the source (e1c4479e73b1), read on 2026-10-12. The repository is watched and re-audited when it changes.

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