Lots of Sounds
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Hosted MCP server to search, preview, and download thousands of royalty-free (CC0) sound effects from any AI assistant.
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Connect the Lotsofsounds sound effects API to Claude, Cursor, ChatGPT, and any AI agent with our free, open Model Context Protocol (MCP) server. Search, preview, and download royalty-free sounds from your AI assistant.
The sound effects MCP server for AI assistants
Lotsofsounds ships a hostedModel Context Protocol (MCP) serverso AI assistants can search, inspect, and download thousands of royalty-free (CC0) sound effects without leaving the chat. Add one URL to Claude Desktop, Cursor, Windsurf, ChatGPT, or the OpenAI Agents SDK and your assistant can find the right sound for a game, app, video, or voice agent on demand.
Free to connect, Pro to search the full catalog
Claude Desktop connects to remote MCP servers through themcp-remotebridge. Add this to yourclaude_desktop_config.json(Settings → Developer → Edit Config), then restart Claude:
{ "mcpServers": { "lotsofsounds": { "command": "npx", "args": [ "-y", "mcp-remote", "https://api.lotsofsounds.com/mcp", "--header", "x-api-key:${LOS_API_KEY}" ], "env": { "LOS_API_KEY": "los_your_key" } } } }
Ask Claude"find me a short dramatic cinematic hit"and it will callsearch_soundsfor you.
In~/.cursor/mcp.json(orSettings → MCP → Add new server):
{ "mcpServers": { "lotsofsounds": { "url": "https://api.lotsofsounds.com/mcp", "headers": { "x-api-key": "los_your_key" } } } }
Windsurf, VS Code (Copilot MCP), and other Streamable-HTTP clients use the sameurl+headersshape.
claude mcp add lotsofsounds --transport http https://api.lotsofsounds.com/mcp \ --header "x-api-key: los_your_key"
The hosted MCP server works as a tool source for GPT agents:
from agents import Agent, Runner from agents.mcp import MCPServerStreamableHttp sounds = MCPServerStreamableHttp( params={ "url": "https://api.lotsofsounds.com/mcp", "headers": {"x-api-key": "los_your_key"}, } ) agent = Agent( name="Sound assistant", instructions="Help the user find royalty-free sound effects.", mcp_servers=[sounds], ) result = await Runner.run(agent, "Find a gentle notification chime under 2 seconds") print(result.final_output)
In ChatGPT (Settings → Connectors → Add), point a custom connector athttps://api.lotsofsounds.com/mcpand supply yourx-api-keyheader. Thesearch_soundsanddownload_soundtools become available in chat.
The MCP server is a thin client over the same REST API — it never widens access beyond a caller's plan. Without a key, catalog tools return a friendly message pointing topricing; the freebrowse_samplestool always works. This keeps the server safe to open-source and list in public MCP directories while the catalog stays behind the Pro tier.
- LLM & AI Agent Integration— function-calling without MCP
- Getting Started— get your API key
- Pricing— Pro and Enterprise plans
Get your API key and start building with thousands of sound effects and music tracks.
How to use the Lotsofsounds API as a tool in LLM agents, chatbots, and AI workflows
](https://lotsofsounds.com/docs/llm-integration)
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