Serveur MCP
Subtitle Toolkit
top.toolboxes/subtitle-toolkit
Ce que fait ce MCP
Converts, cleans, retimes, merges, splits, validates, and repairs subtitle files in common caption formats.
Capacités
Outils
8
outils
check_subtitle_timing
Audit 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.
Schéma d’entrée
{'type': 'object', 'required': ['content'], 'properties': {'content': {'type': 'string', 'description': 'The full subtitle file text.'}, 'max_cps': {'type': 'number', 'description': 'Max characters per second. Default 20.'}, 'max_line_length': {'type': 'number', 'description': 'Max characters per line. Default 42.'}, 'max_duration_seconds': {'type': 'number', 'description': 'Maximum cue duration in seconds. Default 7.'}, 'min_duration_seconds': {'type': 'number', 'description': 'Minimum cue duration in seconds. Default 0.833 (Netflix 5/6s).'}}}
clean_subtitles
Strip 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.
Schéma d’entrée
{'type': 'object', 'required': ['content'], 'properties': {'to': {'enum': ['srt', 'vtt'], 'type': 'string', 'description': 'Output format. Default: same as the input.'}, 'content': {'type': 'string', 'description': 'The full subtitle file text.'}, 'drop_empty': {'type': 'boolean', 'description': 'Drop cues that become empty after cleaning. Default true.'}, 'remove_tags': {'type': 'boolean', 'description': 'Strip HTML/WebVTT tags and ASS override codes. Default true.'}, 'drop_duplicates': {'type': 'boolean', 'description': 'Drop cues whose text was already seen. Default false.'}, 'remove_sound_cues': {'type': 'boolean', 'description': 'Strip [Music], [Applause], ♪ ... ♪ and similar. Default true.'}, 'remove_speaker_labels': {'type': 'boolean', 'description': 'Strip leading "SPEAKER:" prefixes. Default false — enable only if you want them gone.'}}}
convert_subtitle
Convert 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.
Schéma d’entrée
{'type': 'object', 'required': ['content', 'to'], 'properties': {'to': {'enum': ['srt', 'vtt', 'ass', 'csv', 'text'], 'type': 'string', 'description': 'Target format. `text` = plain transcript, one line per cue, no timecodes.'}, 'from': {'enum': ['auto', 'srt', 'vtt', 'ass', 'sbv', 'ttml'], 'type': 'string', 'description': 'Source format (default "auto" = detect).'}, 'dedupe': {'type': 'boolean', 'description': 'Only for to="text": collapse consecutive identical lines (rolling-caption transcripts repeat lines). Default false.'}, 'content': {'type': 'string', 'description': 'The full subtitle file text.'}}}
fix_subtitle_encoding
Repair 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.
Schéma d’entrée
{'type': 'object', 'required': ['content'], 'properties': {'twice': {'type': 'boolean', 'description': 'Set true when the text was mis-decoded twice (nested mojibake). Default false.'}, 'content': {'type': 'string', 'description': 'The garbled subtitle text.'}, 'read_as': {'enum': ['auto', 'cp1252', 'cp1251'], 'type': 'string', 'description': 'Which encoding the file was wrongly read as. Default "auto" (tries cp1252 then cp1251).'}}}
merge_subtitles
Append 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.
Schéma d’entrée
{'type': 'object', 'required': ['content', 'append_content'], 'properties': {'to': {'enum': ['srt', 'vtt'], 'type': 'string', 'description': 'Output format. Default: same as the input.'}, 'content': {'type': 'string', 'description': 'The first subtitle file text.'}, 'gap_seconds': {'type': 'number', 'description': 'Extra gap between the two tracks, in seconds. Default 0.'}, 'append_content': {'type': 'string', 'description': 'The subtitle file text to append.'}}}
retime_subtitles
Fix 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.
Schéma d’entrée
{'type': 'object', 'required': ['content'], 'properties': {'ratio': {'type': 'number', 'description': 'Scale all timings by this factor (new = old x ratio). e.g. 1.0427 for a 25→23.976 fps fix.'}, 'to_fps': {'type': 'number', 'description': 'The frame rate of the actual video (used with from_fps).'}, 'content': {'type': 'string', 'description': 'The full subtitle file text.'}, 'from_fps': {'type': 'number', 'description': 'The frame rate the subtitles were authored for (used with to_fps).'}, 'offset_seconds': {'type': 'number', 'description': 'Shift every cue by this many seconds. Negative = earlier. e.g. -2.5'}}}
split_subtitles
Split one subtitle track into two parts at a given timecode, keeping original timecodes. Use the `at` argument plus `part` to fetch either half.
Schéma d’entrée
{'type': 'object', 'required': ['content', 'at'], 'properties': {'at': {'type': 'string', 'description': 'Split point. Accepts "45:00", "1:02:03", "90" (seconds) or "1:02:03.500".'}, 'to': {'enum': ['srt', 'vtt'], 'type': 'string', 'description': 'Output format. Default: same as the input.'}, 'part': {'enum': ['a', 'b'], 'type': 'string', 'description': 'Which half to return. Default "a" (before the split point).'}, 'content': {'type': 'string', 'description': 'The full subtitle file text.'}}}
text_to_subtitles
Turn 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.
Schéma d’entrée
{'type': 'object', 'required': ['content'], 'properties': {'content': {'type': 'string', 'description': 'Plain text, one caption per line. Blank lines are skipped.'}, 'start_seconds': {'type': 'number', 'description': 'Timecode of the first cue, in seconds. Default 0.'}, 'duration_seconds': {'type': 'number', 'description': 'Seconds each cue stays on screen. Default 2.5.'}, 'max_chars_per_cue': {'type': 'number', 'description': 'Split longer lines into several cues at word boundaries. Default 0 = never split.'}}}
Historique
Modifications récentes des outils
Ajouté
text_to_subtitles
23 September 2026 02:40
Ajouté
fix_subtitle_encoding
23 September 2026 02:40
Ajouté
split_subtitles
23 September 2026 02:40
Ajouté
merge_subtitles
23 September 2026 02:40
Ajouté
check_subtitle_timing
23 September 2026 02:40
Ajouté
retime_subtitles
23 September 2026 02:40
Ajouté
clean_subtitles
23 September 2026 02:40
Ajouté
convert_subtitle
23 September 2026 02:40
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