SFXMint
Free CC0 sound effects for agents: search 4,000+ sounds, get permanent hotlinkable MP3/WAV URLs, and generate new SFX from text. No API key.
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SFXMint MCP Server
Free CC0 sound effects for AI agents. Search 4,000+ sounds, get permanent hotlinkable MP3/WAV URLs, and generate new SFX from text — no API key, no signup.
- Endpoint (Streamable HTTP):
https://sfxmint.com/mcp - Docs: https://sfxmint.com/api/docs
- Registry: published as
com.sfxmint/soundson the official MCP Registry - License of all audio: CC0 1.0 — public domain, commercial use welcome, no attribution required
Every sound is AI-generated (Stable Audio) or procedurally synthesized, so the library is copyright-clean by construction. Audio URLs are permanent, immutable, CORS-enabled and free to hotlink — safe to embed directly in generated apps, games and videos.
Quick start
Claude Code:
claude mcp add --transport http sfxmint https://sfxmint.com/mcp
Cursor / generic mcpServers config:
{ "mcpServers": { "sfxmint": { "url": "https://sfxmint.com/mcp" } } }
Tools
| Tool | What it does |
|---|---|
search_sounds | Keyword search over 4,000+ sounds; returns direct MP3/WAV URLs |
get_sound | Full metadata for one sound (incl. generation prompt, license) |
generate_sound | Text-to-SFX (up to 12 s); returns permanent URLs. Rate-limited 3/day per IP |
get_job | Status of a generation job |
Example
"Find me a rain ambience loop" →
search_sounds(query: "rain ambience")→https://sfxmint.com/dl/ambience-rain-01.mp3(CC0, hotlink-safe, 11 s)
Rate limits & fair use
- Search/metadata: no auth, generous limits
- Generation: 3/day per IP on the MCP path (browser path: 5/day)
- Hotlinking is allowed and encouraged; files are served with long-lived immutable caching