{"name":"top.toolboxes/subtitle-toolkit","slug":"toolboxes-subtitle-toolkit","title":"Subtitle Toolkit","description":"Convert, clean, retime and validate SRT, WebVTT, ASS/SSA, SBV and TTML subtitles. 8 tools.","url":"https://mcp.market/server/toolboxes-subtitle-toolkit","rating":null,"grade":"B","score":75,"certified":false,"status":"active","category":"other","tags":[],"presence":{"score":8,"stars":null,"forks":null,"downloads_week":null,"last_push_at":null,"license":null},"uptime":{"percent":100,"checks":28,"ok":28,"last_checked_at":"2026-11-04T10:15:38.096Z","last_ok_at":"2026-11-04T10:15:38.096Z","latency_ms":66},"claimed":false,"transport":"remote","callable_via_gateway":true,"default_price_micros":0,"repository":null,"website":"https://toolboxes.top","version":"1.0.0","remotes":[{"type":"streamable-http","url":"https://subtitle-mcp.toolboxes.top/mcp"}],"packages":[],"tools":[{"name":"check_subtitle_timing","description":"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.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"content":{"type":"string","description":"The full subtitle file text."},"max_cps":{"type":"number","description":"Max characters per second. Default 20."},"min_duration_seconds":{"type":"number","description":"Minimum cue duration in seconds. Default 0.833 (Netflix 5/6s)."},"max_duration_seconds":{"type":"number","description":"Maximum cue duration in seconds. Default 7."},"max_line_length":{"type":"number","description":"Max characters per line. Default 42."}},"required":["content"]}},{"name":"clean_subtitles","description":"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.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"content":{"type":"string","description":"The full subtitle file text."},"remove_tags":{"type":"boolean","description":"Strip HTML/WebVTT tags and ASS override codes. Default true."},"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."},"drop_empty":{"type":"boolean","description":"Drop cues that become empty after cleaning. Default true."},"drop_duplicates":{"type":"boolean","description":"Drop cues whose text was already seen. Default false."},"to":{"type":"string","enum":["srt","vtt"],"description":"Output format. Default: same as the input."}},"required":["content"]}},{"name":"convert_subtitle","description":"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.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"content":{"type":"string","description":"The full subtitle file text."},"to":{"type":"string","enum":["srt","vtt","ass","csv","text"],"description":"Target format. `text` = plain transcript, one line per cue, no timecodes."},"from":{"type":"string","enum":["auto","srt","vtt","ass","sbv","ttml"],"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."}},"required":["content","to"]}},{"name":"fix_subtitle_encoding","description":"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.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"content":{"type":"string","description":"The garbled subtitle text."},"read_as":{"type":"string","enum":["auto","cp1252","cp1251"],"description":"Which encoding the file was wrongly read as. Default \"auto\" (tries cp1252 then cp1251)."},"twice":{"type":"boolean","description":"Set true when the text was mis-decoded twice (nested mojibake). Default false."}},"required":["content"]}},{"name":"merge_subtitles","description":"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.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"content":{"type":"string","description":"The first subtitle file text."},"append_content":{"type":"string","description":"The subtitle file text to append."},"gap_seconds":{"type":"number","description":"Extra gap between the two tracks, in seconds. Default 0."},"to":{"type":"string","enum":["srt","vtt"],"description":"Output format. Default: same as the input."}},"required":["content","append_content"]}},{"name":"retime_subtitles","description":"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.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"content":{"type":"string","description":"The full subtitle file text."},"offset_seconds":{"type":"number","description":"Shift every cue by this many seconds. Negative = earlier. e.g. -2.5"},"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."},"from_fps":{"type":"number","description":"The frame rate the subtitles were authored for (used with to_fps)."},"to_fps":{"type":"number","description":"The frame rate of the actual video (used with from_fps)."}},"required":["content"]}},{"name":"split_subtitles","description":"Split one subtitle track into two parts at a given timecode, keeping original timecodes. Use the `at` argument plus `part` to fetch either half.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"content":{"type":"string","description":"The full subtitle file text."},"at":{"type":"string","description":"Split point. Accepts \"45:00\", \"1:02:03\", \"90\" (seconds) or \"1:02:03.500\"."},"part":{"type":"string","enum":["a","b"],"description":"Which half to return. Default \"a\" (before the split point)."},"to":{"type":"string","enum":["srt","vtt"],"description":"Output format. Default: same as the input."}},"required":["content","at"]}},{"name":"text_to_subtitles","description":"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.","write_action":false,"price_micros":0,"input_schema":{"type":"object","properties":{"content":{"type":"string","description":"Plain text, one caption per line. Blank lines are skipped."},"duration_seconds":{"type":"number","description":"Seconds each cue stays on screen. Default 2.5."},"start_seconds":{"type":"number","description":"Timecode of the first cue, in seconds. Default 0."},"max_chars_per_cue":{"type":"number","description":"Split longer lines into several cues at word boundaries. Default 0 = never split."}},"required":["content"]}}],"scan":{"score":75,"grade":"B","scanned_at":"2026-11-01T18:07:42.819Z","report":{"scannerVersion":"0.1.10","scannedAt":"2026-11-01T18:07:42.760Z","components":{"code":{"score":-1,"max":25,"notes":["remote-only server, no package to scan"]},"reliability":{"score":20,"max":20,"notes":["remote reachable in 287ms"]},"poisoning":{"score":15,"max":15,"notes":["8 tool descriptions checked"]},"auth":{"score":10,"max":15,"notes":["open endpoint, read-only tools"]},"maintenance":{"score":3,"max":15,"notes":["no repository listed"]},"identity":{"score":8,"max":10,"notes":["endpoint served from the registry-verified namespace domain"]}},"findings":[{"id":"maint.no-repo","severity":"low","component":"maintenance","title":"No source repository listed"}],"inputs":{"probes":[{"url":"https://subtitle-mcp.toolboxes.top/mcp","reachable":true,"authRequired":false,"latencyMs":287,"serverInfo":{"name":"subtitle-toolkit","version":"1.0.0"}}],"packages":[],"repo":{"found":false},"icon":{"url":null,"source":"none"},"presence":{"stars":null,"forks":null,"downloadsWeek":null,"license":null,"lastPushAt":null,"score":8}}}},"grade_history":[{"kind":"restore","fromGrade":"C","toGrade":"B","reason":"score 75: No source repository listed","createdAt":"2026-11-01T18:07:44.541Z"}],"reviews":[]}