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Lots of Sounds

R0· no sign-in

CC0 sound effects API for AI agents — search, preview, and download via MCP.

v1.0.0 · active · repository · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality75good
Trust100of 100
Uptime, 30 days100%
Latency p50220 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "lotsofsounds": {
      "type": "http",
      "url": "https://api.lotsofsounds.com/mcp"
    }
  }
}
claude mcp add --transport http lotsofsounds https://api.lotsofsounds.com/mcp
[mcp_servers.lotsofsounds]
url = "https://api.lotsofsounds.com/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "lotsofsounds": {
      "type": "remote",
      "url": "https://api.lotsofsounds.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "lotsofsounds": {
      "type": "http",
      "url": "https://api.lotsofsounds.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=lotsofsounds&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYXBpLmxvdHNvZnNvdW5kcy5jb20vbWNwIn0%3D"
}
{
  "servers": {
    "lotsofsounds": {
      "type": "http",
      "url": "https://api.lotsofsounds.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "lotsofsounds": {
      "httpUrl": "https://api.lotsofsounds.com/mcp"
    }
  }
}
extensions:
  "lotsofsounds":
    enabled: true
    name: "lotsofsounds"
    type: streamable_http
    uri: "https://api.lotsofsounds.com/mcp"
    timeout: 300

Quality 75 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene100 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations5 of 5 tools declare readOnlyHint or destructiveHint
  • pass
    tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
  • pass
    tools.token_costabout 764 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability25 · weight 15
  • warn
    stability.changes6 tool changes in 30 days
  • fail
    stability.rug_pull3 tools kept their name but changed most of their description in 30 days; review before trusting them
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

5 tools, about 764 tokens to load them all · tool set d74ca39c81ce · tools last changed 2026-10-05 · checked 2026-10-19 10:52 UTC

Tool changes

  • search_soundschangeddescription, input schema
    before

    Search the bounded Lots of Sounds CC0 catalog by keyword, tags, category, and duration. A connected account is required. The query is a case-insensitive substring match on the sound name and description, so use short keywords and narrow the search with tags or max_duration.

    after · 58% of words in common

    Search the bounded Lots of Sounds CC0 catalog by keyword, tags, category, and duration. A connected account is required. Each word in the query must match the sound name, description or a tag, so use short keywords and narrow the search with tags or max_duration. Results include timing (onset, peak and tail in milliseconds) and loudness (LUFS and true peak) when the sound has been analysed.

  • get_profileadded

    Return the stable Lots of Sounds profile connected to this request. Use it only to identify the active plugin account.

  • download_soundchangeddescription, annotations
    before

    Return a time-limited signed download URL (expires in 1 hour) for a sound. Requires a Pro or Enterprise API key. Only call this when the user is ready to download.

    after · 51% of words in common

    Return a time-limited signed download URL that expires in one hour for a sound in the bounded Lots of Sounds catalog. A connected account is required. Use this only when the user is ready to download.

  • get_soundchangeddescription, annotationsmeaning changed
    before

    Fetch full metadata for one sound by id. Requires a Pro or Enterprise API key.

    after · 35% of words in common

    Fetch full metadata for one sound in the bounded Lots of Sounds catalog by ID. A connected account is required.

  • search_soundschangeddescription, input schema, annotationsmeaning changed
    before

    Search the full royalty-free (CC0) catalog by natural-language query, tags, category, and duration. Requires a Pro or Enterprise API key. Prefer descriptive natural-language queries (e.g. 'gentle notification chime' over 'chime').

    after · 22% of words in common

    Search the bounded Lots of Sounds CC0 catalog by keyword, tags, category, and duration. A connected account is required. The query is a case-insensitive substring match on the sound name and description, so use short keywords and narrow the search with tags or max_duration.

  • browse_sampleschangeddescription, input schema, annotationsmeaning changed
    before

    Return curated free CC0 sample sounds. No API key required. Use this to demo the catalog before a Pro key is available.

    after · 42% of words in common

    Return curated free CC0 sample sounds from the bounded Lots of Sounds catalog. No account is required.

Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 100 / 100

provenance100
liveness100
freshness100
hygiene100

+repository +namespace-matches-repo +dns-namespace +website +reachable +uptime-100% +updated-28d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://api.lotsofsounds.com/mcp streamable-httpnoneyes100%220 ms2025-11-252026-10-19

Tools (5)

browse_samplesread-onlyReturn curated free CC0 sample sounds from the bounded Lots of Sounds catalog. No account is required.
download_soundReturn a time-limited signed download URL that expires in one hour for a sound in the bounded Lots of Sounds catalog. A connected account is required. Use this only when the user is ready to download.
get_profileread-onlyReturn the stable Lots of Sounds profile connected to this request. Use it only to identify the active plugin account.
get_soundread-onlyFetch full metadata for one sound in the bounded Lots of Sounds catalog by ID. A connected account is required.
search_soundsread-onlySearch the bounded Lots of Sounds CC0 catalog by keyword, tags, category, and duration. A connected account is required. Each word in the query must match the sound name, description or a tag, so use short keywords and narrow the search with tags or max_duration. Results include timing (onset, peak and tail in milliseconds) and loudness (LUFS and true peak) when the sound has been analysed.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "com.lotsofsounds/mcp",
  "title": "Lots of Sounds",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://api.lotsofsounds.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "repository": {
    "url": "https://github.com/lotsofsounds/free-sound-effects-api",
    "source": "github"
  },
  "websiteUrl": "https://www.lotsofsounds.com/docs/mcp",
  "description": "CC0 sound effects API for AI agents — search, preview, and download via MCP."
}