FreeTTS vs Ditto.audio
A side-by-side look at the FreeTTS and Ditto.audio MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
F
FreeTTSText-to-Speech · Local subprocess (stdio)Text to speech in 149 languages: MP3 links from any assistant. Free without an account.40FairAuth: not declaredD
Ditto.audioText-to-Speech · Remote HTTP/SSEText-to-speech: browse voices and synthesize natural speech from text with ditto.audio.52GoodAuth: not declaredVerdict: choose FreeTTS for text-to-speech work as a local process; choose Ditto.audio for text-to-speech over a hosted endpoint. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
FChoose FreeTTS when
- You need dedicated capabilities in the Text-to-Speech domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
FREETTS_API_KEY.
DChoose Ditto.audio when
- You need dedicated capabilities in the Text-to-Speech domain.
- You prefer a remote HTTP/SSE transport.
- You want tools like
list_voices, list_languages, text_to_speech.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | F FreeTTS | D Ditto.audio |
|---|---|---|
| Category | Text-to-Speech | Text-to-Speech |
| Quality signal | 40/100 · Fair | 52/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Remote HTTP/SSE |
| Auth | Not declared | Not declared |
| Pricing | Freemium | Not declared |
| Required env vars | FREETTS_API_KEY | None listed |
| Verified owner | Community listing |
Tools & capabilities
FreeTTS tools
No tool names declared yet. Check the project README from the listing page.
Ditto.audio tools 7
list_voicesBrowse the voice catalogue plus your own custom voiceslist_languagesEvery language code and which engines speak ittext_to_speechSynthesize text and get a download URL (MP3 by default; FLAC/WAV and more on request)create_speech_batchQueue up to 1000 texts at onceget_speech_batchProgress of a batchget_speech_batch_resultsDownload URLs for a batch's itemscancel_speech_batchStop a batch; finished items keep their audio
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
FreeTTS
{
"mcpServers": {
"freetts": {
"command": "npx",
"args": [
"-y",
"@freetts/mcp"
],
"env": {
"FREETTS_API_KEY": "YOUR_FREETTS_API_KEY_HERE"
}
}
}
}
Ditto.audio
{
"mcpServers": {
"ditto-audio": {
"url": "https://mcp.ditto.audio"
}
}
}
Frequently asked questions
FreeTTS is categorized under Text-to-Speech and uses a local stdio subprocess. Ditto.audio belongs to Text-to-Speech and uses a remote HTTP/SSE transport. Pick FreeTTS for text-to-speech work and Ditto.audio for text-to-speech.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
FreeTTS is listed as freemium — a free tier with paid plans. Ditto.audio has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add freetts and ditto-audio as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, FreeTTS has a quality signal of 40/100 (Fair) with 0 views, 0 installs and 0 GitHub stars. Ditto.audio has 52/100 (Good) with 0 views, 0 installs and 0 GitHub stars.