{
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-10-04",
    "license": "CC-BY-4.0",
    "method": "https://www.anchorterminal.com/benchmark/",
    "methodology": "0.3",
    "openapi": "https://www.anchorterminal.com/openapi.json",
    "preview": false,
    "run": "2026-10-01",
    "runLabel": "October 2026 research run"
  },
  "tool": {
    "category": "music-generation",
    "endpoint": "https://api.lotsofsounds.com/mcp",
    "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/lotsofsounds-mcp.json",
    "kind": "mcp",
    "listed": "indexed",
    "liveUrl": "https://www.anchorterminal.com/api/v1/live/lotsofsounds-mcp.json",
    "markdownUrl": "https://www.anchorterminal.com/tools/lotsofsounds-mcp.md",
    "mcpTools": {
      "check": {
        "checker": "anchor-check/1.0",
        "totalTokens": 1139,
        "counts": {
          "error": 0,
          "note": 1,
          "warn": 1
        },
        "findings": [
          {
            "rule": "TC11",
            "severity": "warn",
            "tool": "search_sounds",
            "message": "4 parameters without a description: category, order, page, sort",
            "fix": "Describe each one: format, units, an example, and what happens when it's left out."
          },
          {
            "rule": "TC24",
            "severity": "note",
            "message": "4 of 5 tools have no outputSchema",
            "fix": "Declare outputSchema for tools that return structured data, and return structuredContent that matches it."
          }
        ]
      },
      "checkedAt": "2026-10-04T22:23:18Z",
      "count": 5,
      "schemaTokens": 1139,
      "status": "ok",
      "tools": [
        {
          "name": "browse_samples",
          "title": "Browse free sample sounds",
          "description": "Return curated free CC0 sample sounds from the bounded Lots of Sounds catalog. No account is required.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "limit": {
                "description": "Max 12",
                "maximum": 12,
                "minimum": 1,
                "type": "integer"
              },
              "q": {
                "description": "Optional keyword filter over the free samples, e.g. 'rain'",
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "idempotentHint": true,
            "openWorldHint": false,
            "readOnlyHint": true
          }
        },
        {
          "name": "search_sounds",
          "title": "Search sound effects",
          "description": "Search the bounded Lots of Sounds CC0 catalog by keyword, tags, category, and duration. A connected account is required. The query is a case-insensitive substring match on the sound name and description, so use short keywords and narrow the search with tags or max_duration.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "category": {
                "enum": [
                  "SFX",
                  "MUSIC",
                  "LOFI",
                  "AMBIENT"
                ],
                "type": "string"
              },
              "limit": {
                "description": "Max 100, default 20",
                "maximum": 100,
                "minimum": 1,
                "type": "integer"
              },
              "max_duration": {
                "description": "Maximum duration in seconds",
                "type": "number"
              },
              "min_duration": {
                "description": "Minimum duration in seconds",
                "type": "number"
              },
              "order": {
                "enum": [
                  "asc",
                  "desc"
                ],
                "type": "string"
              },
              "page": {
                "minimum": 1,
                "type": "integer"
              },
              "q": {
                "description": "Keyword matched against name + description, e.g. 'whoosh'. Use one or two short words, not a sentence.",
                "type": "string"
              },
              "sort": {
                "enum": [
                  "downloads",
                  "created_at",
                  "duration",
                  "name"
                ],
                "type": "string"
              },
              "tags": {
                "description": "Tags to match (AND logic)",
                "items": {
                  "type": "string"
                },
                "type": "array"
              }
            },
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "idempotentHint": true,
            "openWorldHint": false,
            "readOnlyHint": true
          }
        },
        {
          "name": "get_sound",
          "title": "Get sound details",
          "description": "Fetch full metadata for one sound in the bounded Lots of Sounds catalog by ID. A connected account is required.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "id": {
                "description": "The sound id returned by search_sounds",
                "type": "string"
              }
            },
            "required": [
              "id"
            ],
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "idempotentHint": true,
            "openWorldHint": false,
            "readOnlyHint": true
          }
        },
        {
          "name": "download_sound",
          "title": "Download a sound",
          "description": "Return a time-limited signed download URL that expires in one hour for a sound in the bounded Lots of Sounds catalog. A connected account is required. Use this only when the user is ready to download.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "id": {
                "description": "The sound id returned by search_sounds",
                "type": "string"
              }
            },
            "required": [
              "id"
            ],
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "idempotentHint": false,
            "openWorldHint": false,
            "readOnlyHint": false
          }
        },
        {
          "name": "get_profile",
          "title": "Get connected profile",
          "description": "Return the stable Lots of Sounds profile connected to this request. Use it only to identify the active plugin account.",
          "inputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "properties": {},
            "type": "object"
          },
          "outputSchema": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "additionalProperties": false,
            "properties": {
              "email": {
                "description": "Email address for display.",
                "format": "email",
                "type": "string"
              },
              "id": {
                "description": "Opaque profile ID that stays unchanged for this account.",
                "minLength": 1,
                "pattern": "\\S",
                "type": "string"
              },
              "name": {
                "description": "Display name for the connected profile.",
                "type": "string"
              },
              "nickname": {
                "description": "Label for the connected profile.",
                "type": "string"
              }
            },
            "required": [
              "id"
            ],
            "type": "object"
          },
          "annotations": {
            "destructiveHint": false,
            "idempotentHint": true,
            "openWorldHint": false,
            "readOnlyHint": true
          }
        }
      ]
    },
    "name": "Lots of Sounds",
    "note": "Indexed from the official MCP registry: facts and our own checks, not reviewed, so no score, grade or rank.",
    "packages": null,
    "pageJsonUrl": "https://www.anchorterminal.com/tools/lotsofsounds-mcp.json",
    "popularity": {
      "githubStars": 1
    },
    "registryName": "com.lotsofsounds/mcp",
    "remotes": [
      {
        "type": "streamable-http",
        "url": "https://api.lotsofsounds.com/mcp"
      }
    ],
    "repository": "https://github.com/lotsofsounds/free-sound-effects-api",
    "reviewed": false,
    "slug": "lotsofsounds-mcp",
    "source": "the official MCP registry",
    "sourceUrl": "https://registry.modelcontextprotocol.io/v0.1/servers?search=com.lotsofsounds/mcp",
    "summary": "CC0 sound effects API for AI agents — search, preview, and download via MCP.",
    "updatedAt": "2026-09-21T00:22:04Z",
    "url": "https://www.anchorterminal.com/tools/lotsofsounds-mcp",
    "vendor": "lotsofsounds.com",
    "vendorUrl": "https://www.lotsofsounds.com/docs/mcp",
    "version": "1.0.0",
    "websiteUrl": "https://www.lotsofsounds.com/docs/mcp",
    "where": "hosted",
    "why": [
      "vendor"
    ]
  }
}