Voice Bridge vs Filesystem
A side-by-side look at the Voice Bridge and Filesystem MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose Voice Bridge for text-to-speech work as a local process; choose Filesystem for file systems as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
Choose Voice Bridge when
- You need dedicated capabilities in the Text-to-Speech domain.
- You prefer a local stdio subprocess transport.
- You have the keys it needs:
VOICE_BRIDGE_HOME, ELEVENLABS_API_KEY, VOICE_BRIDGE_MODE, VOICE_BRIDGE_ENGINE, VOICE_BRIDGE_EDGE_VOICE, VOICE_BRIDGE_EDGE_RATE, VOICE_BRIDGE_ELEVENLABS_SPEED, VOICE_BRIDGE_KOKORO_VOICE. - You want tools like
speak, set_engine, get_status.
Choose Filesystem when
- You need dedicated capabilities in the File Systems domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
- You want tools like
path, head, tail.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Text-to-Speech | File Systems |
| Quality signal | 49/100 · Fair | 85/100 · Excellent |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | No auth required |
| Pricing | Not declared | Free |
| Required env vars | VOICE_BRIDGE_HOMEELEVENLABS_API_KEYVOICE_BRIDGE_MODEVOICE_BRIDGE_ENGINEVOICE_BRIDGE_EDGE_VOICEVOICE_BRIDGE_EDGE_RATEVOICE_BRIDGE_ELEVENLABS_SPEEDVOICE_BRIDGE_KOKORO_VOICE | None listed |
| Verified owner | Community listing | Verified |
| GitHub stars | 0 | 91,526 |
| Directory activity | 3 views 0 installs 0 upvotes | 11 views 0 installs 0 upvotes |
| Tools | 4 | 17 |
| Full listing | View Voice Bridge | View Filesystem |
Tools & capabilities
Voice Bridge tools 4
speakSpeak text aloud. Optionally override engine for this call.set_engineSwitch the default TTS engine (`auto`, `edge-tts`, `elevenlabs`, `kokoro`, `say`, `espeak`)get_statusShow current mode, engine, and available engineslist_voicesList available voices. Defaults to current engine if omitted.
Filesystem tools 17
pathheadtailpathscontenteditsoldTextnewTextdryRunsortBysourcedestination- +5 more on the listing page
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.
Voice Bridge
{
"mcpServers": {
"voice-bridge": {
"command": "npx",
"args": [
"-y",
"ai-voice-bridge"
],
"env": {
"VOICE_BRIDGE_HOME": "YOUR_VOICE_BRIDGE_HOME_HERE",
"ELEVENLABS_API_KEY": "YOUR_ELEVENLABS_API_KEY_HERE",
"VOICE_BRIDGE_MODE": "YOUR_VOICE_BRIDGE_MODE_HERE",
"VOICE_BRIDGE_ENGINE": "YOUR_VOICE_BRIDGE_ENGINE_HERE",
"VOICE_BRIDGE_EDGE_VOICE": "YOUR_VOICE_BRIDGE_EDGE_VOICE_HERE",
"VOICE_BRIDGE_EDGE_RATE": "YOUR_VOICE_BRIDGE_EDGE_RATE_HERE",
"VOICE_BRIDGE_ELEVENLABS_SPEED": "YOUR_VOICE_BRIDGE_ELEVENLABS_SPEED_HERE",
"VOICE_BRIDGE_KOKORO_VOICE": "YOUR_VOICE_BRIDGE_KOKORO_VOICE_HERE"
}
}
}
}
Filesystem
{
"mcpServers": {
"filesystem": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/server-filesystem"
]
}
}
}
Frequently asked questions
Voice Bridge is categorized under Text-to-Speech and uses a local stdio subprocess. Filesystem belongs to File Systems and uses a local stdio subprocess. Pick Voice Bridge for text-to-speech work and Filesystem for file systems.
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 Bridge has no declared pricing — check the project's own site. Filesystem is listed as free. Auth: no auth required. 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 voice-bridge and filesystem as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Voice Bridge has a quality signal of 49/100 (Fair) with 3 views, 0 installs and 0 GitHub stars. Filesystem has 85/100 (Excellent) with 11 views, 0 installs and 91,526 GitHub stars.