FreeTTS vs Voice MCP
A side-by-side look at the FreeTTS and Voice MCP 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 declaredVerdict: choose FreeTTS for text-to-speech work as a local process; choose Voice MCP for text-to-speech. 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.
Choose Voice MCP when
- You need dedicated capabilities in the Text-to-Speech domain.
- Its auth model fits you: other.
- You have the keys it needs:
WALLET_PRIVATE_KEY. - You want tools like
list_voice_catalog, generate_standard_voice, generate_controlled_voice.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | F FreeTTS | |
|---|---|---|
| Category | Text-to-Speech | Text-to-Speech |
| Quality signal | 40/100 · Fair | 53/100 · Good |
| Install command | Confirmed | Not confirmed yet |
| Transport | Local subprocess (stdio) | — |
| Auth | Not declared | other |
| Pricing | Freemium | Paid service |
| Required env vars | FREETTS_API_KEY |
Tools & capabilities
FreeTTS tools
No tool names declared yet. Check the project README from the listing page.
Voice MCP tools 6
list_voice_catalogFree discovery tool. Lists all 20 voices, 10 persona voices, 31 language codes, price buckets, character limits, and granular speed/quality controls before a paid voice generation call.generate_standard_voiceGenerate low-cost WAV speech from text using one of 10 standard voices across 31 languages. Best for simple agent narration, status updates, alerts, and short spoken responses. Costs $0.001 for 1-500 chars or $0.003 for 501-2000 chars.generate_controlled_voiceGenerate WAV speech with granular controls for speed and quality. Use this when an agent needs faster, slower, clearer, more polished, or more deliberate delivery. Costs $0.003 for 1-500 chars or $0.006 for 501-2000 chars.generate_persona_voiceGenerate expressive WAV speech with persona voices such as Storyteller, Narrator, Announcer, Assistant, Urgent, Sage, Spark, Anchor, Velvet, or Echo. Best for branded agents, characters, demos, stories, alerts, and premium user experiences. Costs $0.005 for 1-500 chars or $0.01 for 501-2000 chars.generate_openai_compatible_voiceGenerate speech using an OpenAI-shaped request with input, voice, model, and response_format fields. Use this for agents or apps already designed around /v1/audio/speech style payloads. Costs $0.001 for 1-500 chars or $0.003 for 501-2000 chars.generate_batch_voicesGenerate WAV audio for up to 20 text items in one paid call using standard voices. Best for queues, notifications, scripted sequences, content batches, and multi-step agent workflows. Costs $0.002 for up to 500 total chars or $0.005 for 501-2000 total chars.
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"
}
}
}
}
Voice MCP
No confirmed install command for Voice MCP yet — follow the setup steps linked from its listing page rather than a guessed package name.
Frequently asked questions
FreeTTS is categorized under Text-to-Speech and uses a local stdio subprocess. Voice MCP belongs to Text-to-Speech and uses an install path we have not confirmed yet. Pick FreeTTS for text-to-speech work and Voice MCP 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. Voice MCP has no confirmed install command yet — follow its own setup instructions.
FreeTTS is listed as freemium — a free tier with paid plans. Voice MCP is listed as a paid service. Auth: other. 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 forgemeshlabs-voice-mcp 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. Voice MCP has 53/100 (Good) with 3 views, 0 installs and 0 GitHub stars.
