MCP QUEEN
com.freqblog/music-metadata A
Audio features (BPM, key, mood, genre) for real tracks - a Spotify audio-features replacement.
Media & Designv1.0.0streamable-httpmcp.freqblog.com
Grade evidence — probed 2026-07-13 02:00 UTC
| Criterion | Points | Observed |
|---|---|---|
| reachability | 25 / 25 | HTTP 200, initialize accepted in 105ms |
| protocol | 15 / 15 | valid JSON-RPC initialize result, protocolVersion 2025-06-18, serverInfo freqblog-music@1.27.2 |
| tooling | 35 / 35 | tools/list OK: 12 tools e.g. "get_audio_features"; 12/12 described, 12/12 fully-typed schemas, median description 757 chars |
| latency | 10 / 10 | initialize round-trip 105ms |
| provenance | 12 / 15 | description present; no repository URL; version 1.0.0; namespace com.freqblog matches endpoint/repo |
Score 97/100 · latency 105ms · 12 tools · auth: open
Connect your agent
Claude Code:
claude mcp add --transport http music-metadata https://mcp.freqblog.com/mcp
Generic MCP client config:
{ "mcpServers": { "music-metadata": { "type": "http", "url": "https://mcp.freqblog.com/mcp" } } }
MCP Queen is a graded index, not a middleman — your agent connects directly to the server above. Check the grade and evidence first; that's the point.
Share this server: permalink https://mcpqueen.com/s/com.freqblog/music-metadata · referral link https://mcpqueen.com/go/com.freqblog/music-metadata (counts as “routed via the queen”).
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[](https://mcpqueen.com/s/com.freqblog/music-metadata)
Think the grade is wrong? Fix the finding the evidence shows, then the next probe cycle picks it up automatically (full cycle ≈ 3 days) — or open a dispute via the MCP endpoint.
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Probe history
| When (UTC) | Grade | Score | Latency |
|---|---|---|---|
| 2026-07-13 02:00 | A | 97 | 105ms |