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Subtitle Toolkit

R0· no sign-in

Convert, clean, retime and validate SRT, WebVTT, ASS/SSA, SBV and TTML subtitles. 8 tools.

v1.0.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality79good
Trust82of 100
Uptime, 30 days97%
Latency p50143 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "subtitle-toolkit": {
      "type": "http",
      "url": "https://subtitle-mcp.toolboxes.top/mcp"
    }
  }
}
claude mcp add --transport http subtitle-toolkit https://subtitle-mcp.toolboxes.top/mcp
[mcp_servers.subtitle-toolkit]
url = "https://subtitle-mcp.toolboxes.top/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "subtitle-toolkit": {
      "type": "remote",
      "url": "https://subtitle-mcp.toolboxes.top/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "subtitle-toolkit": {
      "type": "http",
      "url": "https://subtitle-mcp.toolboxes.top/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=subtitle-toolkit&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vc3VidGl0bGUtbWNwLnRvb2xib3hlcy50b3AvbWNwIn0%3D"
}
{
  "servers": {
    "subtitle-toolkit": {
      "type": "http",
      "url": "https://subtitle-mcp.toolboxes.top/mcp"
    }
  }
}
{
  "mcpServers": {
    "subtitle-toolkit": {
      "httpUrl": "https://subtitle-mcp.toolboxes.top/mcp"
    }
  }
}
extensions:
  "subtitle-toolkit":
    enabled: true
    name: "subtitle-toolkit"
    type: streamable_http
    uri: "https://subtitle-mcp.toolboxes.top/mcp"
    timeout: 300

Quality 79 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: check_subtitle_timing (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); text_to_subtitles (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); convert_subtitle (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
  • pass
    tools.token_costabout 1,510 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

8 tools, about 1,510 tokens to load them all · tool set 78fa0166b8df · checked 2026-10-20 10:35 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 82 / 100

no-repository
provenance55
liveness99
freshness100
hygiene80

+dns-namespace +website +reachable +uptime-97% +updated-28d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://subtitle-mcp.toolboxes.top/mcp streamable-httpnoneyes97%143 ms2025-06-182026-10-20

Tools (8)

check_subtitle_timingAudit subtitle readability and produce a report: reading speed (CPS), cue durations that are too short or too long, lines that are too wide, more than two lines, and overlapping cues. Returns a formatted report listing every flagged cue.
clean_subtitlesStrip noise from auto-generated subtitles: HTML/WebVTT tags, ASS override codes, music and sound-effect cues, speaker labels, empty cues and duplicate lines. Returns the subtitle file in SRT or WebVTT.
convert_subtitleConvert subtitle text between formats. Reads SRT, WebVTT, ASS/SSA, YouTube SBV and TTML/DFXP; writes SRT, WebVTT, ASS, CSV or plain text. Format is auto-detected unless `from` is given.
fix_subtitle_encodingRepair mojibake — text where UTF-8 bytes were decoded as a single-byte encoding (cp1252/Latin-1 or cp1251). Symptoms: "é", "’", "привет". Returns the repaired text and how many passes were applied.
merge_subtitlesAppend one subtitle track after another (CD1 + CD2, or a second language track). The second track is offset so it starts after the last cue of the first, plus an optional gap.
retime_subtitlesFix subtitle timing. Use offset_seconds for a uniform shift (whole track early/late). Use ratio, or from_fps/to_fps, for progressive drift caused by a frame-rate mismatch. Pass exactly one of the three.
split_subtitlesSplit one subtitle track into two parts at a given timecode, keeping original timecodes. Use the `at` argument plus `part` to fetch either half.
text_to_subtitlesTurn a plain transcript (one line per caption) into an SRT file with evenly spaced timecodes. Timing is a starting point, not a real transcription — say so when you present the result.

Schemas: list_tools.

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Official server.json
{
  "name": "top.toolboxes/subtitle-toolkit",
  "title": "Subtitle Toolkit",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://subtitle-mcp.toolboxes.top/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "websiteUrl": "https://toolboxes.top",
  "description": "Convert, clean, retime and validate SRT, WebVTT, ASS/SSA, SBV and TTML subtitles. 8 tools."
}