TTSForFree

io.github.CalmNguyen/ttsforfreeVersion 1.0.0

Generate AI voices, text-to-speech, subtitles, transcription, and video localization.

Status

Responds759 msNov 14, 2026, 14:36 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 14:36 UTC
Latency: 759 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 21:12 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://api.ttsforfree.com/mcpResponds759 msNov 14, 2026, 14:36 UTC

No sign-in

Claude Code

claude mcp add --transport http ttsforfree https://api.ttsforfree.com/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: ttsforfree
Remote MCP server URL: https://api.ttsforfree.com/mcp

Cursor

{
  "mcpServers": {
    "ttsforfree": {
      "url": "https://api.ttsforfree.com/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"ttsforfree","type":"http","url":"https://api.ttsforfree.com/mcp"}'

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Tools

25 tools

Tools of TTSForFree
	Description		Read-only	Idempotent	Open world
`add_favorite_voice`Save a voice to the user's favorites (only when the user asks).	Save a voice to the user's favorites (only when the user asks).	No	No	Yes	No
`cancel_scheduled_post`Cancel a post that is still scheduled (or failed) so it will not be published. A post that is already uploading or posted cannot be cancelled. No credits are charged for cancelled posts.	Cancel a post that is still scheduled (or failed) so it will not be published. A post that is already uploading or posted cannot be cancelled. No credits are charged for cancelled posts.	Yes	No	Yes	No
`create_upload_url`Get a one-time URL to upload a local video or audio file (mp4, mov, webm, mkv, mp3, wav, m4a...) up to 2 GB. Upload with HTTP PUT of the raw bytes, e.g. `curl -T video.mp4 "<upload_url>"` (valid 15 minutes), then pass `public_url` to transcribe_media or localize_video. Only files uploaded here (or on ttsforfree.com) are accepted; YouTube and other external links are never downloaded. If you cannot run commands, ask the user to upload the file on https://ttsforfree.com/en/video-localization/ and paste the file link.	Get a one-time URL to upload a local video or audio file (mp4, mov, webm, mkv, mp3, wav, m4a...) up to 2 GB. Upload with HTTP PUT of the raw bytes, e.g. `curl -T video.mp4 "<upload_url>"` (valid 15 minutes), then pass `public_url` to transcribe_media or localize_video. Only files uploaded here (or on ttsforfree.com) are accepted; YouTube and other external links are never downloaded. If you cannot run commands, ask the user to upload the file on https://ttsforfree.com/en/video-localization/ and paste the file link.	No	No	No	No
`design_custom_voice`Create a new personal AI voice from a natural-language description (Gemini Voice Design). Uses one slot of the user's custom-voice quota - confirm with the user first. Good for a unique narrator or a character voice in a video/podcast. Returns the new `voice` token.	Create a new personal AI voice from a natural-language description (Gemini Voice Design). Uses one slot of the user's custom-voice quota - confirm with the user first. Good for a unique narrator or a character voice in a video/podcast. Returns the new `voice` token.	No	No	No	No
`estimate_video_localization`Estimate the credits to dub one video into one or more languages (speech-to-text + translation + voice + video merge) before running localize_video. Pass video_url (duration is measured) or duration_seconds.	Estimate the credits to dub one video into one or more languages (speech-to-text + translation + voice + video merge) before running localize_video. Pass video_url (duration is measured) or duration_seconds.	No	Yes	Yes	No
`get_account_status`Show the user's plan tier, remaining characters/credits, max characters per request, max blocks per multi-voice/SRT job and API rate limits. Call before large jobs.	Show the user's plan tier, remaining characters/credits, max characters per request, max blocks per multi-voice/SRT job and API rate limits. Call before large jobs.	No	Yes	No	No
`get_job_detail`Get a multi_voice_to_speech or srt_to_speech job with every segment: text, voice and its own audio_url, plus the merged audio. Use it to build captions or a Remotion/NLE timeline (one <Sequence> per segment; measure each file's duration in the renderer).	Get a multi_voice_to_speech or srt_to_speech job with every segment: text, voice and its own audio_url, plus the merged audio. Use it to build captions or a Remotion/NLE timeline (one <Sequence> per segment; measure each file's duration in the renderer).	No	Yes	Yes	No
`get_job_status`Check a speech job created earlier. Returns status (PENDING \| SUCCESS \| ERROR) and audio_url once SUCCESS. Never guess or fetch an audio URL before SUCCESS.	Check a speech job created earlier. Returns status (PENDING \| SUCCESS \| ERROR) and audio_url once SUCCESS. Never guess or fetch an audio URL before SUCCESS.	No	Yes	Yes	No
`get_localization_status`Status of localize_video jobs: current step, and when Completed the dubbed audio_url, final_video_url and translated SRT for each language.	Status of localize_video jobs: current step, and when Completed the dubbed audio_url, final_video_url and translated SRT for each language.	No	Yes	Yes	No
`get_publishing_status`Check where the user can publish a finished video: which platforms this site offers (YouTube, X), which of the user's accounts are connected, today's YouTube limit, the credit cost of an X post and the user's credits. Call this before offering to publish and before publish_video. If nothing is connected, give the user `connect_url` (connecting needs a browser sign-in) and call this again when they say it is done.	Check where the user can publish a finished video: which platforms this site offers (YouTube, X), which of the user's accounts are connected, today's YouTube limit, the credit cost of an X post and the user's credits. Call this before offering to publish and before publish_video. If nothing is connected, give the user `connect_url` (connecting needs a browser sign-in) and call this again when they say it is done.	No	Yes	Yes	No
`get_transcription`Check a transcribe_media job and get its SRT once finished.	Check a transcribe_media job and get its SRT once finished.	No	Yes	Yes	No
`get_voice_details`Get full metadata for one voice token: persona, use case, accent, pitch, styles, preview audio and credit cost.	Get full metadata for one voice token: persona, use case, accent, pitch, styles, preview audio and credit cost.	No	Yes	Yes	No
`list_favorite_voices`List the voices the user marked as favorites, in their saved order. Check this first when the user did not name a voice.	List the voices the user marked as favorites, in their saved order. Check this first when the user did not name a voice.	No	Yes	Yes	No
`list_languages`List every language supported by TTSForFree text-to-speech. Returns language codes to pass to list_voices.	List every language supported by TTSForFree text-to-speech. Returns language codes to pass to list_voices.	No	Yes	Yes	No
`list_my_custom_voices`List the user's personal voices created with Voice Design (from a text prompt) or Voice Clone (from an audio sample), plus the remaining custom-voice quota. Use `voice` from the result in any speech tool.	List the user's personal voices created with Voice Design (from a text prompt) or Voice Clone (from an audio sample), plus the remaining custom-voice quota. Use `voice` from the result in any speech tool.	No	Yes	Yes	No
`list_published_posts`The user's recent YouTube / X posts made through TTSForFree, newest first: status (scheduled, uploading, posted, failed, cancelled), the live post_url once posted, the scheduled time and any error message. Use it after publish_video to report the live link.	The user's recent YouTube / X posts made through TTSForFree, newest first: status (scheduled, uploading, posted, failed, cancelled), the live post_url once posted, the scheduled time and any error message. Use it after publish_video to report the live link.	No	Yes	Yes	No
`list_recent_jobs`List the user's most recent speech jobs with status and audio URLs, to reuse earlier audio instead of paying again.	List the user's most recent speech jobs with status and audio URLs, to reuse earlier audio instead of paying again.	No	Yes	Yes	No
`list_voices`Search the AI voice catalog for one language. Each result has a `voice` token (v1:...) - pass it unchanged as `voice` to text_to_speech, multi_voice_to_speech or srt_to_speech. Results are sorted by popularity; `can_use=false` means the user's plan cannot use that voice. Prefer the user's favorite or custom voices when they exist.	Search the AI voice catalog for one language. Each result has a `voice` token (v1:...) - pass it unchanged as `voice` to text_to_speech, multi_voice_to_speech or srt_to_speech. Results are sorted by popularity; `can_use=false` means the user's plan cannot use that voice. Prefer the user's favorite or custom voices when they exist.	No	Yes	Yes	No
`localize_video`Full automatic dubbing of an uploaded video: transcribe once, translate, voice every target language with its own voice and render a dubbed video per language. Each language returns an audio_url (voice track aligned to the original timeline - upload it to YouTube Studio as a multi-language audio track) and a final_video_url. Takes several minutes: returns job_guids immediately; poll get_localization_status. Confirm the cost with estimate_video_localization for long videos.	Full automatic dubbing of an uploaded video: transcribe once, translate, voice every target language with its own voice and render a dubbed video per language. Each language returns an audio_url (voice track aligned to the original timeline - upload it to YouTube Studio as a multi-language audio track) and a final_video_url. Takes several minutes: returns job_guids immediately; poll get_localization_status. Confirm the cost with estimate_video_localization for long videos.	No	No	No	No
`multi_voice_to_speech`Render ordered segments, each with its own voice, into ONE merged MP3. Use for podcasts, dialogues, interviews, audio dramas or explainer videos with several speakers when there are no fixed timestamps. Consumes credits.	Render ordered segments, each with its own voice, into ONE merged MP3. Use for podcasts, dialogues, interviews, audio dramas or explainer videos with several speakers when there are no fixed timestamps. Consumes credits.	No	No	No	No
`publish_video`Post a finished video to one of the user's connected accounts. Only call after the user explicitly agreed to publish and confirmed the title (YouTube) or post text (X): this posts publicly on their behalf. YouTube: posted right away, free, needs `title`; set `privacy` (default public). X: posted now or at `scheduled_at`, needs `text` (max 280 characters, links count as 23); costs credits charged only when the post goes out - tell the user the cost from get_publishing_status first. `video_url` must be a TTSForFree link: final_video_url from get_localization_status, or public_url of a video uploaded with create_upload_url.	Post a finished video to one of the user's connected accounts. Only call after the user explicitly agreed to publish and confirmed the title (YouTube) or post text (X): this posts publicly on their behalf. YouTube: posted right away, free, needs `title`; set `privacy` (default public). X: posted now or at `scheduled_at`, needs `text` (max 280 characters, links count as 23); costs credits charged only when the post goes out - tell the user the cost from get_publishing_status first. `video_url` must be a TTSForFree link: final_video_url from get_localization_status, or public_url of a video uploaded with create_upload_url.	No	No	No	No
`remove_favorite_voice`Remove a voice from the user's favorites (only when the user asks).	Remove a voice from the user's favorites (only when the user asks).	Yes	No	Yes	No
`srt_to_speech`Create ONE MP3 that follows a subtitle timeline: every cue starts at its timestamp and speech speed auto-fits the cue duration. Use for video voiceover, dubbing translated subtitles, YouTube localization, tutorials and any edit where audio must line up with existing video. Pass either raw `srt` (SRT or WebVTT text) or `segments` with start_ms/end_ms. For several speakers set `speaker_voices` and prefix cue text with '[Name]' or 'Name:'. The resulting MP3 starts at 00:00 of the video, so it can be muxed directly with ffmpeg (commands are returned). Consumes credits.	Create ONE MP3 that follows a subtitle timeline: every cue starts at its timestamp and speech speed auto-fits the cue duration. Use for video voiceover, dubbing translated subtitles, YouTube localization, tutorials and any edit where audio must line up with existing video. Pass either raw `srt` (SRT or WebVTT text) or `segments` with start_ms/end_ms. For several speakers set `speaker_voices` and prefix cue text with '[Name]' or 'Name:'. The resulting MP3 starts at 00:00 of the video, so it can be muxed directly with ffmpeg (commands are returned). Consumes credits.	No	No	No	No
`text_to_speech`Convert one text into one MP3 with one voice. Use for narration, voiceover scripts, articles, lessons, announcements or any audio whose length can follow the speech. Consumes credits (characters x voice rate). Returns job_id, status and audio_url when ready.	Convert one text into one MP3 with one voice. Use for narration, voiceover scripts, articles, lessons, announcements or any audio whose length can follow the speech. Consumes credits (characters x voice rate). Returns job_id, status and audio_url when ready.	No	No	No	No
`transcribe_media`Speech-to-text for an uploaded video or audio file: returns timestamped SRT (the timeline to rewrite, translate or re-voice with srt_to_speech). Credits are charged per second of media, measured by the server. Use language = the spoken language code from list_languages.	Speech-to-text for an uploaded video or audio file: returns timestamped SRT (the timeline to rewrite, translate or re-voice with srt_to_speech). Credits are charged per second of media, measured by the server. Use language = the spoken language code from list_languages.	No	No	No	No

Details

Registry status: Active
Published: Oct 22, 2026
Updated: Oct 22, 2026
Website: https://ttsforfree.com/⁠ (opens in a new tab)
Repository: https://github.com/CalmNguyen/ttsforfree-mcp⁠ (opens in a new tab)
Categories (suggested): Design and mediaSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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