{"$schema":"https://verifymcp.io/schemas/trust-report.json","schemaVersion":1,"license":{"name":"CC BY-NC 4.0","url":"https://creativecommons.org/licenses/by-nc/4.0/"},"generatedAt":"2026-11-05T18:26:08.482Z","url":"https://verifymcp.io/servers/fabianimv-voice-coach-mcp/voice-coach-mcp","markdownUrl":"https://verifymcp.io/servers/fabianimv-voice-coach-mcp/voice-coach-mcp.md","server":{"slug":"fabianimv-voice-coach-mcp","name":"Voice Coach","registryName":"io.github.FabianIMV/voice-coach-mcp","description":"Gives Claude ears: local pitch, pronunciation and public-speaking analysis for voice coaching.","registryStatus":"active","deletedAt":null,"statusMessage":null,"liveness":"live","publisher":{"class":"unknown","claimed":false}},"component":{"slug":"voice-coach-mcp","type":"pypi","identifier":"voice-coach-mcp","withdrawn":false,"url":"https://verifymcp.io/servers/fabianimv-voice-coach-mcp/voice-coach-mcp","version":"0.1.1","transport":"stdio","scoredAt":"2026-11-05T04:12:29.390Z"},"score":{"total":63,"tier":"medium","status":"scored","weekDelta":-15,"history":[{"date":"2026-11-05","total":63},{"date":"2026-11-04","total":78},{"date":"2026-11-03","total":63},{"date":"2026-11-02","total":63},{"date":"2026-11-01","total":78},{"date":"2026-10-31","total":63},{"date":"2026-10-30","total":78},{"date":"2026-10-29","total":78},{"date":"2026-10-28","total":63},{"date":"2026-10-27","total":63},{"date":"2026-10-26","total":63},{"date":"2026-10-25","total":63},{"date":"2026-10-24","total":78},{"date":"2026-10-23","total":63}]},"categories":[{"name":"Supply Chain Security","score":50,"verdict":"partial","reasons":["Malware scan not yet available for this package.","No known CVEs affecting this package version or its production dependencies.","Runs hatchling.build at install time, a recognised build step with no custom scripting around it.","3 of 59 dependencies flagged as unhealthy."],"codes":[{"code":"supplychain.malware_inconclusive","args":{"reason":"vendor_no_verdict"}},{"code":"cve.none","args":{}},{"code":"installscript.allowlisted","args":{"tool":"hatchling.build","hooks":"build_backend"}},{"code":"dephealth.assessed","args":{"deps":"59","unhealthy":"3"}}]},{"name":"Provenance & Transparency","score":97,"verdict":"fail","reasons":["Source repository is publicly reachable at the declared URL.","Cryptographically verified build provenance (signed, bound to FabianIMV/voice-coach-mcp).","Clear OSI-approved license (MIT).","Actively maintained (last published 12 days ago).","Disclosure check failed: no security disclosure policy was found in the source repository."],"codes":[{"code":"provenance.repo_verified","args":{}},{"code":"provenance.verified","args":{"repo":"FabianIMV/voice-coach-mcp"}},{"code":"license.osi","args":{"spdx":"MIT"}},{"code":"maintenance.recent","args":{"age_days":"12"}},{"code":"disclosure.absent","args":{}}]},{"name":"Schema Quality & AI Usability","score":73,"verdict":"fail","reasons":["100% of prompts and resources have a non-trivial description (not blank, and not just the item's name).","AI-judged instruction clarity (good).","Context-footprint check failed: tool/resource definitions use about 1478 tokens (~211/item across 7 items; 7 tools + 0 resources), over budget; trim descriptions and params.","Usage-examples check failed: none of the tools include examples."],"codes":[{"code":"schema.descriptions","args":{"pct":"100"}},{"code":"schema.ai_quality","args":{"band":"good"}},{"code":"schema.footprint_heavy","args":{"avg":"211","items":"7","tools":"7","tokens":"1478","resources":"0"}},{"code":"schema.examples_absent","args":{}}]},{"name":"Stability & Change Management","score":0,"verdict":"unverified","reasons":["Stability not yet verified: not enough scan history yet (needs a 30-day window)."],"codes":[{"code":"stability.insufficient_history","args":{}}]},{"name":"Tool Coverage","score":71,"verdict":"fail","reasons":["100% of tools have a non-trivial description (not blank, and not just the tool's name).","0% of tool parameters carry a description.","Structured output schemas are declared (100% of tools); any adoption earns full credit."],"codes":[{"code":"toolquality.descriptions","args":{"pct":"100"}},{"code":"toolquality.param_docs","args":{"pct":"0"}},{"code":"toolquality.output_present","args":{"pct":"100"}}]},{"name":"Tool Safety","score":100,"verdict":"pass","reasons":["No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.","We read all 7 captured tool definition(s), and no name or description among them implies an irreversible operation.","An AI judge read all 8 captured unit(s) of tool text and found none that tries to manipulate the model reading it."],"codes":[{"code":"toolsafety.injection_clean","args":{}},{"code":"toolsafety.destructive_none","args":{"tools":"7"}},{"code":"toolsafety.manipulation_clean","args":{"units":"8","judged":"8"}}]},{"name":"Capabilities","score":100,"verdict":"pass","reasons":["Implements a current MCP spec version (2026-07-28)."],"codes":[{"code":"protocol.current","args":{"version":"2026-07-28"}}]}],"inconclusive":["Malware scan not yet available for this package.","Stability not yet verified: not enough scan history yet (needs a 30-day window)."],"malware":[],"components":[{"slug":"voice-coach-mcp","type":"pypi","identifier":"voice-coach-mcp","withdrawn":false,"score":63,"current":true,"url":"https://verifymcp.io/servers/fabianimv-voice-coach-mcp/voice-coach-mcp","markdownUrl":"https://verifymcp.io/servers/fabianimv-voice-coach-mcp/voice-coach-mcp.md"}],"facts":[{"label":"Registry","value":"pypi"},{"label":"Package","value":"voice-coach-mcp"},{"label":"Version","value":"0.1.1"},{"label":"Transport","value":"stdio"}],"install":{"available":true,"bundleSha256":null},"tools":[{"name":"record_audio","title":null,"description":"Records from the computer's microphone and saves a 16 kHz mono .wav.\n\nArgs:\n    seconds: recording length (max 120 by default). Tell the user before calling.\n    name: optional file name (without extension); defaults to date and time.\n\nReturns `audio` (path of the .wav), levels (peak/RMS in dBFS, estimated SNR, % clipping),\n`confidence` and `warnings`. The `no_microphone_permission` warning means macOS delivered no\naudio: the user must enable the microphone for the app in System Settings.","inputs":[{"name":"name","type":null,"required":false,"description":null},{"name":"seconds","type":"number","required":true,"description":null}],"outputs":[{"name":"result","type":"string","required":true,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":137},{"name":"analyze_pitch","title":null,"description":"Measures the pitch accuracy of sung audio (solo voice, one melodic line).\n\nArgs:\n    audio: audio path (wav/flac/mp3/m4a) or a name returned by record_audio.\n    reference_midi: optional path to a .mid with the expected melody. Tolerates singing an\n        octave up/down, starting at another moment and a somewhat different tempo.\n    key: optional when there is no MIDI, e.g. \"A minor\", \"G major\", \"F#\" (Spanish names such as\n        \"La menor\" also work): each note is compared with the nearest note of that scale.\n        Without it, with the nearest equal-tempered note.\n    midi_track: index of the MIDI track to use (default: the non-drum track with most notes).\n\nReturns `summary` (notes, range, pct_within_25_cents, signed mean_deviation_cents,\ntendency flat/sharp/centered, drift_cents between 1st and 2nd half, stability counts; with\nMIDI also missed, extra_notes, wrong_notes, onsets on_time/late/early, octave_shift,\nstart_offset_ms and relative_tempo >1 = slower) and `notes`: t (s), dur, note or\nexpected/sung, cents (+ = sharp), stability (stable | vibrato with vibrato_hz and\nvibrato_pp_cents | unstable with std_cents), drift_cents within the note and, with MIDI,\nonset_ms/onset; reference notes not sung have status=missed and unmatched sung notes\nstatus=extra. If the list does not fit, the most problematic notes are shown and the rest\nis in `full_details`.","inputs":[{"name":"audio","type":"string","required":true,"description":null},{"name":"key","type":null,"required":false,"description":null},{"name":"midi_track","type":null,"required":false,"description":null},{"name":"reference_midi","type":null,"required":false,"description":null}],"outputs":[{"name":"result","type":"string","required":true,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":387},{"name":"transcribe","title":null,"description":"Transcribes audio with timestamps (faster-whisper, local).\n\nArgs:\n    audio: audio path or a name returned by record_audio.\n    language: \"en\", \"es\", \"en-US\", \"Spanish\"…; auto-detected when omitted.\n\nReturns `language`, `language_prob`, `text`, `segments` [{t, end, text}] and `words`\n[{w, t, end}]. If it does not fit, words are dropped first and then segments (everything\nstays in `full_details`). The first call downloads the model (VOICE_COACH_WHISPER_MODEL).","inputs":[{"name":"audio","type":"string","required":true,"description":null},{"name":"language","type":null,"required":false,"description":null}],"outputs":[{"name":"result","type":"string","required":true,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":143},{"name":"speech_metrics","title":null,"description":"Measures pace, pauses, filler words and pitch/volume variation of a speech.\n\nArgs:\n    audio: audio path or a name returned by record_audio.\n    language: language of the speech (\"en\" or \"es\"; filler lists exist for both).\n    pause_threshold_s: minimum silence between words to count as a long pause.\n\nReturns:\n- `pace`: words, speaking_time_s, words_per_minute, wpm_excluding_long_pauses.\n- `pauses`: count, total_s, max_s, per_minute and items [{t, dur, after: previous word}].\n- `fillers`: total, per_minute, by_type and occurrences [{t, text}]. Ambiguous words\n  (\"like\", \"so\") only count when isolated by a comma or a pause.\n- `pitch`: median_f0_hz, std_semitones, range_p10_p90_semitones, monotone (std < 2 st) and\n  monotone_stretches [{t, end}] over 8 s windows.\n- `volume`: mean_dbfs, std_between_words_db, range_p10_p90_db, low_variation (std < 3 dB).\n- `segments` of the transcript [{t, end, text}].","inputs":[{"name":"audio","type":"string","required":true,"description":null},{"name":"language","type":"string","required":true,"description":null},{"name":"pause_threshold_s","type":"number","required":false,"description":null}],"outputs":[{"name":"result","type":"string","required":true,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":293},{"name":"assess_pronunciation","title":null,"description":"Compares the pronounced phonemes with the expected ones for a text read aloud (English).\n\nArgs:\n    audio: audio path or a name returned by record_audio (up to 60 s; short sentences work best).\n    expected_text: the exact text that was read.\n    language: \"en-US\" (default) or \"en-GB\".\n\nReturns `summary` (overall_score 0–100, words_with_errors, error counts by type,\nfrequent_confusions expected→detected) and `words`: word, score, t (s) and, when there are\nerrors, expected/detected in IPA and errors [{type: substitution|deletion|insertion,\nexpected, detected}]; `missing` when the word was not said. `phonemes` holds both full\nsequences. Word score = 100·(1 − (S + D + 0.5·I)/expected phonemes). Allophonic variants\n(flap, schwa, linking r) do not count as errors. The text_mismatch warning means a\ndifferent text was probably read. Backend: local wav2vec2, or Azure when\nVOICE_COACH_PRONUNCIATION_BACKEND=azure (then the audio is sent to Azure).","inputs":[{"name":"audio","type":"string","required":true,"description":null},{"name":"expected_text","type":"string","required":true,"description":null},{"name":"language","type":"string","required":false,"description":null}],"outputs":[{"name":"result","type":"string","required":true,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":289},{"name":"read_progress","title":null,"description":"Reads the latest sessions from the progress log (~/VoiceCoach/progress.md).\n\nUse it at the start of a session to pick up the previous focus. Returns `file`,\n`total_entries` and `entries` (markdown of each session, oldest to newest).","inputs":[{"name":"entries","type":"integer","required":false,"description":null}],"outputs":[{"name":"result","type":"string","required":true,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":68},{"name":"log_progress","title":null,"description":"Appends a session to the progress log (~/VoiceCoach/progress.md).\n\nArgs:\n    entry: markdown of the session. It should start with \"## YYYY-MM-DD · mode · exercise\";\n        if it does not start with \"## \", the date and time are added as the title.","inputs":[{"name":"entry","type":"string","required":true,"description":null}],"outputs":[{"name":"result","type":"string","required":true,"description":null}],"hasOutputSchema":true,"hasExamples":false,"tokenEstimate":75}],"toolsTruncatedAtCapture":false,"diagnostics":{"capturedAt":"2026-11-05T04:12:29.000Z","track":"package","endpoint":null,"declaredUrl":null,"truncated":false,"tls":null,"dnssec":null,"auth":null,"httpsRedirect":null,"transports":[],"provenance":{"outcome":"verified","label":"Verified","reason":"verified","reasonLabel":"Verified","discovery":"attestation_endpoint","discoveryLabel":"Registry attestation endpoint","sourceRepo":null,"attestationSkipped":null,"attestationSkippedLabel":null},"installScripts":[{"hook":"build_backend","tier":"allowlisted"}],"installScriptsTotal":null,"vulnerabilities":[],"vulnerabilitiesTotal":null,"dependencies":{"nodes":59,"partial":false,"deprecated":null,"stale":1,"noRepo":2}},"mismatches":[],"changelog":{"trackingSince":"2026-10-23","recent":[{"id":"chg_01a1a9e8-817a-71a6-883f-35366f2fdcd3","kind":"check.unverifiable","summary":"Malware scan (pass → unverified)","materiality":"security","direction":"regression","scoreDelta":null,"occurredOn":"2026-11-05","url":"https://verifymcp.io/servers/fabianimv-voice-coach-mcp/voice-coach-mcp#chg-chg_01a1a9e8-817a-71a6-883f-35366f2fdcd3"},{"id":"chg_01a1a9e8-817b-7df3-9b6a-9c44ec638669","kind":"score.total_changed","summary":"Trust score (78 → 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scan (pass → unverified)","materiality":"security","direction":"regression","scoreDelta":null,"occurredOn":"2026-10-25","url":"https://verifymcp.io/servers/fabianimv-voice-coach-mcp/voice-coach-mcp#chg-chg_01a17141-5e22-7e6a-8351-f4ffd4a7b7dc"},{"id":"chg_01a17141-5e24-7f2e-b44a-76cb0cf0d3ad","kind":"score.total_changed","summary":"Trust score (78 → 63)","materiality":"functional","direction":"regression","scoreDelta":-15,"occurredOn":"2026-10-25","url":"https://verifymcp.io/servers/fabianimv-voice-coach-mcp/voice-coach-mcp#chg-chg_01a17141-5e24-7f2e-b44a-76cb0cf0d3ad"},{"id":"chg_01a16b72-8865-7ca8-832b-92afe4086b50","kind":"check.reverified","summary":"Malware scan (unverified → pass)","materiality":"security","direction":"improvement","scoreDelta":null,"occurredOn":"2026-10-24","url":"https://verifymcp.io/servers/fabianimv-voice-coach-mcp/voice-coach-mcp#chg-chg_01a16b72-8865-7ca8-832b-92afe4086b50"},{"id":"chg_01a16b72-8867-716f-9b2c-ce75ae528a76","kind":"score.total_changed","summary":"Trust score (63 → 78)","materiality":"functional","direction":"improvement","scoreDelta":15,"occurredOn":"2026-10-24","url":"https://verifymcp.io/servers/fabianimv-voice-coach-mcp/voice-coach-mcp#chg-chg_01a16b72-8867-716f-9b2c-ce75ae528a76"},{"id":"chg_01a16969-de89-7e93-9884-ff536f478cbd","kind":"score.first_scored","summary":"First indexed and 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