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FindBPM tempo planning MCP

FindBPM tempo planning MCP

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FindBPM tempo planning MCP

Local calculations that help use results from FindBPM, the browser-based BPM and key finder. FindBPM analyzes MP3, WAV, FLAC, and M4A audio on your device; this server never receives audio or performs audio analysis.

  • tempo_timing converts a known BPM into milliseconds per beat, eighth and sixteenth notes, and bar, plus half/double-time readings.

  • compare_tempos compares two reported rates and checks whether one may be a half/double-time interpretation of the other.

  • camelot_neighbors lists common nearby Camelot codes for a known key estimate.

  • get_official_links returns the official analyzer.

After you find bpm for a track, tap along to confirm whether the reported pulse is the beat you hear. At 120 BPM, one beat is 500 ms and a four-beat bar is 2 seconds. For a DJ transition, tempo and neighboring Camelot codes can narrow candidates, but listen to phrasing and harmony before using a mix.

Run

Node.js 20.18.1 or newer:

npm install
npm test
node index.mjs

Configure your MCP client to start node /absolute/path/to/findbpm-mcp/index.mjs over stdio. No account, audio file, or network request is needed by this server. MIT license; see LICENSE.

Available Tools

4 tools
camelot_neighborsFind nearby Camelot codesB

List common neighboring Camelot wheel codes for a known key estimate.

Inputs: code (required).

compare_temposCompare two temposB

Compare reported BPMs including half-time and double-time interpretations.

Inputs: firstBpm (required), secondBpm (required).

get_official_linksOfficial FindBPM linksC

Return the official browser-based audio analyzer.

Inputs: no named parameters.

tempo_timingConvert BPM to timingB

Convert a known BPM to beat, subdivision, and bar lengths. Audio is not accessed.

Inputs: bpm (required), beatsPerBar.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

Loading tool schema changelog…

    Deploy Server
    One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

    TDQS

    A3.5/5.0

    Scored across 4 tools

    Disambiguation5/5

    Each tool has a clearly distinct purpose: timing conversion, BPM comparison, Camelot-neighbor lookup, and official-link retrieval. There is no meaningful overlap that would cause misselection.

    Naming Consistency4/5

    All names use snake_case, which is consistent and readable. However, the verb/noun pattern is mixed, with some tools named as noun phrases (tempo_timing, camelot_neighbors) and others as verb phrases (compare_tempos, get_official_links).

    Tool Count5/5

    Four tools is well scoped for a narrow tempo-planning server. Each tool contributes a distinct planning or reference capability without bloating the surface.

    Completeness4/5

    The set covers the core planning workflow: BPM-to-timing conversion, tempo comparison, Camelot-neighbor guidance, and a link to the official analyzer. Minor gaps remain around fuller key/Camelot conversion or additional tempo-planning utilities, but agents can work around them.

    Maintenance

    ActivityMaintained
    ResponsivenessNo recent community issues

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