NiceVois
REMOTE · NICEVOIS.COM
Free stem, vocal, noise, reverb and format tools. Train RVC voices; convert vocals and whole songs.
Available components
Last scanned (5 hours ago)
Scores higher than 91% of remote servers
Reachable. Last reached 5 Nov 2026.
Category Design and Media
How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →
Endpoint Security80
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- No authorisation is required to call this server. Nothing on it is marked destructive, but we can't show that an anonymous caller can only read: full credit needs the server to list at least one tool and every tool to be verifiably read-only. We use a best-effort check of tool names and descriptions to tell read-only tools from tools that change things, so some genuinely read-only tools may not get full credit. Names that start with a read verb (get, list, read, search and similar) and accurate readOnlyHint annotations help. Meet that to earn full credit, or require authorisation. See how to fix → View diagnostics → Partial
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- The HSTS (Strict-Transport-Security) header is present. View diagnostics → Pass
- DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability65
- AI-judged instruction clarity (good).Pass
- Context-footprint check failed: tool/resource definitions use about 3046 tokens (~160/item across 19 items; 19 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management100
- No destabilizing schema changes in the last 30 days.Pass
Tool Coverage90
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 64% of tool parameters carry a description.Partial
- Structured output schemas are declared (100% of tools); any adoption earns full credit.Pass
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 19 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 20 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
Checks we ran (13)
- TLS certificate
- Authorization
- HTTPS
- HSTS header
- DNSSEC
- Transport
- Schema quality
- Stability
- Tool coverage
- Injection markers
- Destructive annotations
- Judged manipulation
- MCP protocol
Does not apply to this hosted endpoint (2)
- Supply Chain SecurityScored on package channels only. This is a hosted endpoint, so there is nothing to install or inspect.
- Provenance & TransparencyScored on package channels only. This is a hosted endpoint, so there is nothing to install or inspect.
The score does not measure everything. What the score does not measure →
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 5 Nov 26 0
- Stability: 0.97 → pass security
- The server rewrote its instructions, which are the text every model session reads security
- Tool “create_audio_job” rewrote its description, which is the text the model reads security
- Tool “create_free_audio_job” rewrote its description, which is the text the model reads security
- Tool “list_free_audio_tools” rewrote its description, which is the text the model reads security
- “create_free_audio_job” added an optional parameter “audio” cosmetic
- “create_free_audio_job” reworded the description of “fileName” cosmetic
- “create_free_audio_job” reworded the description of “sizeBytes” cosmetic
- “quote_training” reworded the description of “trainingEngine” cosmetic
- “create_free_audio_job” made “fileName” optional cosmetic
- “create_free_audio_job” made “sizeBytes” optional cosmetic
- Tool “create_free_audio_job” changed its title: Split, clean up or enhance audio with your account → Split, clean up or enhance audio (no account needed) cosmetic
- 4 Nov 26 0
- The server rewrote its instructions, which are the text every model session reads security
- Stability: pass → 0.97 functional
- “quote_training” reworded the description of “trainingEngine” cosmetic
- 3 Nov 26 0
- The server rewrote its instructions, which are the text every model session reads security
- Tool “create_audio_job” rewrote its description, which is the text the model reads security
- Tool “create_free_audio_job” rewrote its description, which is the text the model reads security
- Tool “list_free_audio_tools” rewrote its description, which is the text the model reads security
- “create_free_audio_job” reworded the description of “tool” cosmetic
- Tool “create_free_audio_job” changed its title: Split or clean up audio with your account → Split, clean up or enhance audio with your account cosmetic
- 31 Oct 26 0
- The server rewrote its instructions, which are the text every model session reads security
- “create_training_job” added an optional parameter “confirmPaidRvcTraining” cosmetic
- “create_training_job” reworded the description of “trainingEngine” cosmetic
- 30 Oct 26 0
- The server rewrote its instructions, which are the text every model session reads security
- “quote_training” reworded the description of “trainingEngine” cosmetic
- 29 Oct 26 0
- The server rewrote its instructions, which are the text every model session reads security
- 28 Oct 26 0
- The server rewrote its instructions, which are the text every model session reads security
- “create_training_job” reworded the description of “trainingEngine” cosmetic
- “quote_training” reworded the description of “trainingEngine” cosmetic
- 27 Oct 26 0
- Tool “create_voice_conversion” rewrote its description, which is the text the model reads security
- Tool “download_voice_conversion_output” rewrote its description, which is the text the model reads security
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 5 Nov 2026 · Probed https://nicevois.com/api/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=nicevois.com | CN=YR1,O=Let's Encrypt,C=US | 7 Oct 2026 | 5 Jan 2027 | RSA 2048 | SHA256-RSA | 58ae3b8efe0fb46a284fa9c79936bc60deb |
| SANs: nicevois.com, www.nicevois.com | ||||||
| CN=YR1,O=Let's Encrypt,C=US (CA) | CN=Root YR,O=ISRG,C=US | 3 Sept 2025 | 2 Sept 2028 | RSA 2048 | SHA256-RSA | a20253f15f2691c05dc1ce13b9bcca4e |
| CN=Root YR,O=ISRG,C=US (CA) | CN=ISRG Root X1,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | RSA 4096 | SHA256-RSA | f24b6d17f9d9ad7cb1c9fea78782699f |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of nicevois.com. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | Trust anchor | 20326, 38696 | 8, 8 | Verified |
| com. | DS published | 19718 | 13 | Verified |
| nicevois.com. | No DS | Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation |
Authentication No authorisation required
The endpoint answered without asking for a token. Anyone who knows the URL can reach it.
| Result | No authorisation required |
|---|---|
| HTTP status | 200 |
| Header | Value |
|---|---|
| strict-transport-security | max-age=63072000 |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://nicevois.com/api/mcp | Verified | 200 | |
| http (plaintext) | http://nicevois.com/api/mcp | HTTPS enforced | 308 | https://nicevois.com/api/mcp |
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
create_audio_job Run any NiceVois audio tool ~233
Every NiceVois audio tool. With no account: split_stems, split_lead_backing, remove_noise, remove_reverb and enhance_vocal (one free use of each per network, up to five minutes) and convert_format (free). With a connected account every tool runs on that account's plan (a subscriber's unlimited use applies), including generate_harmony (upper and lower harmonies from a solo lead vocal), which needs an account. Returns an upload URL; then use get_audio_job.
| Name | Type | Req | Description |
|---|---|---|---|
| durationSeconds | number | – | Length in seconds if measured; NiceVois measures the file itself after upload. |
| fileName | string | yes | The file's name with its extension. |
| outputFormat | string | – | Audio tools: wav (default), flac, mp3 or ogg. convert_format (required): wav, mp3, aac (M4A), flac, ogg, or an advanced format such as wav24, alac or aiff. |
| sizeBytes | integer | yes | The file's exact size in bytes. |
| tool | string | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| createdAt | – | – | – |
| durationSeconds | – | – | – |
| error | – | – | – |
| fileName | – | – | – |
| id | string | – | – |
| links | object | – | – |
| message | – | – | – |
| outputs | array | – | – |
| pollAfterSeconds | – | – | – |
| price | string | – | – |
| stage | – | – | – |
| status | string | – | – |
| tool | string | – | – |
| toolName | string | – | – |
| upload | – | – | – |
| websiteUrl | string | – | – |
No examples provided.
create_free_audio_job Split, clean up or enhance audio (no account needed) ~320
Split stems, isolate vocals, split lead from backing vocals, remove noise or reverb, or enhance a vocal. No account, API key or sign-up needed: one free use of each tool per network, of a file up to five minutes, as on the website. A connected account runs it on that account's plan instead. Returns an upload URL; PUT the file, then use get_free_audio_job.
| Name | Type | Req | Description |
|---|---|---|---|
| audio | object | – | The audio file the user attached. NiceVois downloads and uploads it itself, so no upload step is needed. |
| durationSeconds | number | – | The audio's length in seconds, if you can measure it. NiceVois measures the file itself after upload, so leave this out rather than guess. |
| fileName | string | – | Without an attached file: the audio file's name with its extension: WAV, MP3, FLAC, M4A or OGG. |
| outputFormat | string | – | Format of the files you get back. Use wav unless the user asks for another. |
| sizeBytes | integer | – | Without an attached file: the file's exact size in bytes. |
| tool | string | yes | split_stems: vocals and instrumental. split_lead_backing: lead vocal, backing vocals, instrumental, and the instrumental with backing vocals. remove_noise: background noise out of a voice recording.… |
| Name | Type | Req | Description |
|---|---|---|---|
| createdAt | – | – | – |
| durationSeconds | – | – | – |
| error | – | – | – |
| fileName | – | – | – |
| id | string | yes | – |
| links | object | yes | – |
| message | – | – | – |
| outputs | array | yes | – |
| pollAfterSeconds | – | yes | – |
| price | string | – | – |
| stage | – | – | – |
| status | string | yes | – |
| tool | string | yes | – |
| toolName | string | yes | – |
| upload | – | yes | – |
| websiteUrl | string | yes | – |
No examples provided.
create_training_job Create an RVC training upload ~322
Creates a private NiceVois job and returns a one-time PUT upload URL. Do not ask for consent before the first attempt because NiceVois remembers the current standing account agreement. If the server returns CONSENT_REQUIRED, ask for one acceptance of the linked standing agreement and retry once with acceptsStandingAgreement=true. This allocates a private training slot but does not start GPU work until the audio is uploaded and start_training is called.
| Name | Type | Req | Description |
|---|---|---|---|
| acceptsStandingAgreement | boolean | – | Set only when the user explicitly accepts the linked standing voice-training agreement after CONSENT_REQUIRED. Omit for accounts that have already accepted. |
| confirmPaidRvcTraining | boolean | – | Only set after the user accepts a paid RVC quote. If FREE_RVC_TRIAL_SETTINGS_CHANGED is returned, show the updated quote and ask the user; never auto-confirm or retry as paid. |
| contentType | string | yes | – |
| durationSeconds | number | yes | – |
| epochs | integer | yes | – |
| fileName | string | yes | Original WAV, MP3, FLAC, M4A, or OGG filename. |
| modelName | string | yes | – |
| sizeBytes | integer | yes | – |
| submissionId | string | yes | – |
| trainingEngine | string | – | rvc (default): RVC, portable .pth and .index. nicevois: NiceVois Training (Seed-VC with a finishing pass); returns a complete ZIP, not an RVC index. Call quote_training first: the account's remaining… |
| Name | Type | Req | Description |
|---|---|---|---|
| artifacts | – | yes | – |
| completedAt | – | – | – |
| createdAt | – | – | – |
| currentEpoch | – | – | – |
| durationSeconds | – | – | – |
| epochs | – | – | – |
| estimatedCompletionAt | – | – | – |
| estimatedRemainingSeconds | – | – | – |
| etaText | – | – | – |
| expiresAt | – | – | – |
| id | string | yes | – |
| links | object | yes | – |
| message | – | – | – |
| modelName | – | – | – |
| startedAt | – | – | – |
| status | string | yes | – |
| updatedAt | – | – | – |
| upload | – | yes | – |
No examples provided.
create_voice_conversion Create an RVC vocal conversion ~331
Use this when the user has selected a private voice model and wants to convert one vocal recording. Returns a private upload instruction. Upload only the source vocal, then call get_voice_conversion with the same conversion ID. Creating it counts one of the account's conversions (three free per account, each up to five minutes long; it comes back if the conversion fails); listening and downloads are free.
| Name | Type | Req | Description |
|---|---|---|---|
| acceptsVoiceLibraryTerms | boolean | – | Only after VOICE_LIBRARY_TERMS_REQUIRED, once the user has accepted the linked Voice Library Terms. |
| durationSeconds | number | yes | Measured duration of the source audio in seconds. NiceVois uses this to verify that the account can download the result before cloud work. |
| fileName | string | yes | Original WAV, MP3, FLAC, M4A, or OGG vocal filename. |
| modelId | string | yes | A voice id from list_voice_models: one of the user's models, or a licensed library voice (ids starting house_). |
| sizeBytes | integer | – | Exact byte size of the source audio. Supply it whenever the client can measure the file so interrupted uploads are verifiable and safely resumable. |
| transpose | integer | – | Pitch shift in semitones, from -24 through 24. Use 0 when no shift was requested. |
| wholeSong | boolean | – | true for a finished song with music (for example a Suno track): NiceVois separates it, converts the lead with this voice, keeps the instrumental and backing vocals, and returns the finished cover plu… |
| Name | Type | Req | Description |
|---|---|---|---|
| createdAt | – | – | – |
| error | – | – | – |
| fileName | – | – | – |
| id | string | yes | – |
| modelName | – | – | – |
| outputs | – | yes | – |
| providerState | – | – | – |
| restoration | – | – | – |
| stage | – | – | – |
| stageMessage | – | – | – |
| status | string | yes | – |
| timings | – | – | – |
| transpose | – | – | – |
| upload | – | yes | – |
No examples provided.
create_voice_model_import Prepare a private RVC model upload ~87
Use this when the user wants to convert with an existing private RVC .pth file or complete model ZIP instead of a voice trained in their NiceVois library. Returns a one-time PUT upload instruction. After uploading, call list_voice_models to select the imported voice.
| Name | Type | Req | Description |
|---|---|---|---|
| fileName | string | yes | Original .pth or .zip filename. |
| sizeBytes | integer | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| id | string | yes | – |
| status | string | yes | – |
| upload | object | yes | – |
No examples provided.
download_voice_conversion_output Download a completed voice conversion ~137
Use after get_voice_conversion says the job is complete and the user wants the cleaned or standard output. Downloads are free; the conversion was counted once when it started. If the exact file was downloaded before, ask before retrying and then set confirmRepeat true.
| Name | Type | Req | Description |
|---|---|---|---|
| confirmRepeat | boolean | – | Only true after the user explicitly confirms downloading the same artifact again. |
| conversionId | string | yes | – |
| eventId | string | – | – |
| kind | string | yes | cleaned (recommended) or normal for a vocal conversion; for a whole-song cover, any kind listed in files, for example cover, instrumental or vocal_combined. |
| Name | Type | Req | Description |
|---|---|---|---|
| accepted | boolean | yes | – |
| downloadCount | integer | yes | – |
| downloadUrl | string | yes | – |
| secondsCharged | integer | yes | – |
No examples provided.
get_audio_download Get a download link for an audio output ~70
Returns a short-lived link to one output of a completed audio job. Download it or give it to the user straight away.
| Name | Type | Req | Description |
|---|---|---|---|
| jobId | string | yes | – |
| output | string | yes | One of the stems listed by get_audio_job, for example vocal, instrumental, clean, upper or converted. |
| Name | Type | Req | Description |
|---|---|---|---|
| downloadUrl | string | yes | – |
No examples provided.
get_audio_job Check an audio job ~59
Use after create_audio_job and the upload, until the job is completed or failed. When complete it lists each output; call get_audio_download for the ones the user wants.
| Name | Type | Req | Description |
|---|---|---|---|
| jobId | string | yes | The id returned by create_audio_job. |
| Name | Type | Req | Description |
|---|---|---|---|
| createdAt | – | – | – |
| durationSeconds | – | – | – |
| error | – | – | – |
| fileName | – | – | – |
| id | string | – | – |
| links | object | – | – |
| message | – | – | – |
| outputs | array | – | – |
| pollAfterSeconds | – | – | – |
| price | string | – | – |
| stage | – | – | – |
| status | string | – | – |
| tool | string | – | – |
| toolName | string | – | – |
| upload | – | – | – |
| websiteUrl | string | – | – |
No examples provided.
get_conversion_requirements Get RVC voice conversion requirements ~58
Use this when a user wants to convert vocals with RVC or compare a normal RVC result with NiceVois cleaned consonants and breaths. Returns the real input formats, model choices, workflow, current free-beta policy, and outputs.
Input schema present but exposes no named parameters.
| Name | Type | Req | Description |
|---|---|---|---|
| authentication | string | yes | – |
| modelInputs | array | yes | – |
| outputs | array | yes | – |
| pricing | object | yes | – |
| service | string | yes | – |
| sourceAudioFormats | array | yes | – |
| transposeSemitones | object | yes | – |
| wholeSongCover | object | yes | – |
| workflow | array | yes | – |
No examples provided.
get_free_audio_job Check a free audio job ~78
Use this after create_free_audio_job and the upload, no more than every 10 seconds, until the job is completed or failed. When it completes, it lists every output file (for example lead vocal, backing vocals, instrumental) with a download link.
| Name | Type | Req | Description |
|---|---|---|---|
| jobId | string | yes | The id returned by create_free_audio_job. |
| Name | Type | Req | Description |
|---|---|---|---|
| createdAt | – | – | – |
| durationSeconds | – | – | – |
| error | – | – | – |
| fileName | – | – | – |
| id | string | yes | – |
| links | object | yes | – |
| message | – | – | – |
| outputs | array | yes | – |
| pollAfterSeconds | – | yes | – |
| price | string | – | – |
| stage | – | – | – |
| status | string | yes | – |
| tool | string | yes | – |
| toolName | string | yes | – |
| upload | – | yes | – |
| websiteUrl | string | yes | – |
No examples provided.
get_training_account Check NiceVois training balance ~49
Call before quoting or creating a training job. Returns the connected account's welcome-credit status, available and reserved balance, balance packs, and a private browser link that keeps checkout on this same agent identity.
Input schema present but exposes no named parameters.
| Name | Type | Req | Description |
|---|---|---|---|
| accountUrl | – | – | – |
| balance | – | yes | – |
| checkoutEnabled | boolean | yes | – |
| freeRunMaxDurationSeconds | integer | – | – |
| freeRunMaxEpochs | integer | – | – |
| freeRuns | object | yes | – |
| freeTraining | boolean | – | – |
| products | array | – | – |
| signedIn | boolean | – | – |
No examples provided.
get_training_job Check an RVC training job ~55
Use this to check truthful stage, completed epochs, ETA, and artifact readiness for one private NiceVois training job. Poll reasonably; do not call more often than every 15 seconds.
| Name | Type | Req | Description |
|---|---|---|---|
| jobId | string | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| artifacts | – | yes | – |
| completedAt | – | – | – |
| createdAt | – | – | – |
| currentEpoch | – | – | – |
| durationSeconds | – | – | – |
| epochs | – | – | – |
| estimatedCompletionAt | – | – | – |
| estimatedRemainingSeconds | – | – | – |
| etaText | – | – | – |
| expiresAt | – | – | – |
| id | string | yes | – |
| links | object | yes | – |
| message | – | – | – |
| modelName | – | – | – |
| startedAt | – | – | – |
| status | string | yes | – |
| updatedAt | – | – | – |
| upload | – | yes | – |
No examples provided.
get_training_requirements Get RVC training requirements ~43
Use this before training an AI voice to confirm NiceVois input formats, duration and epoch limits, consent requirements, outputs, retention, and the exact upload workflow.
Input schema present but exposes no named parameters.
| Name | Type | Req | Description |
|---|---|---|---|
| agreementUrl | string | yes | – |
| authentication | string | yes | – |
| consentModel | string | yes | – |
| consentVersion | string | yes | – |
| freeAllowance | object | yes | – |
| maxAudioBytes | number | yes | – |
| maxDurationSeconds | number | yes | – |
| maxEpochs | number | yes | – |
| minEpochs | number | yes | – |
| outputs | array | yes | – |
| paidTraining | object | yes | – |
| retentionDays | number | yes | – |
| service | string | yes | – |
| supportedFormats | array | yes | – |
| workflow | array | yes | – |
No examples provided.
get_voice_conversion Check an RVC vocal conversion ~71
Use this when checking one private NiceVois conversion. Poll no more than once every 10 seconds. Report the returned stage without inventing progress. When complete, present the NiceVois cleaned version first and use download_voice_conversion_output for the version the user requests.
| Name | Type | Req | Description |
|---|---|---|---|
| conversionId | string | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| createdAt | – | – | – |
| error | – | – | – |
| fileName | – | – | – |
| id | string | yes | – |
| modelName | – | – | – |
| outputs | – | yes | – |
| providerState | – | – | – |
| restoration | – | – | – |
| stage | – | – | – |
| stageMessage | – | – | – |
| status | string | yes | – |
| timings | – | – | – |
| transpose | – | – | – |
| upload | – | yes | – |
No examples provided.
list_free_audio_tools List the free NiceVois audio tools ~112
Use this to see NiceVois's free audio tools, which need no account, no API key and no sign-up: split a song into vocals and instrumental (vocal remover, acapella, karaoke instrumental), split lead vocals from backing vocals, remove background noise, remove reverb or echo, and enhance a phone-recorded or noisy vocal (Vocal Enhancer). Returns each tool's id, the accepted formats, and a website link to give the user when you cannot upload their file yourself.
Input schema present but exposes no named parameters.
| Name | Type | Req | Description |
|---|---|---|---|
| accountRequired | boolean | yes | – |
| inputFormats | array | yes | – |
| maxAudioBytes | integer | yes | – |
| noFileAccess | string | yes | – |
| outputFormats | array | yes | – |
| price | string | yes | – |
| service | string | yes | – |
| tools | array | yes | – |
| workflow | array | yes | – |
No examples provided.
list_training_jobs List private RVC training jobs ~32
Use this to find the authenticated user's recent NiceVois jobs before asking for a job ID they may not know.
Input schema present but exposes no named parameters.
| Name | Type | Req | Description |
|---|---|---|---|
| jobs | array | yes | – |
| retentionDays | – | – | – |
No examples provided.
list_voice_models List private RVC voice models ~49
Use this when the user wants to convert audio and you need to select one of their private NiceVois-trained or uploaded RVC voices. Do not ask for a model ID before calling this tool.
Input schema present but exposes no named parameters.
| Name | Type | Req | Description |
|---|---|---|---|
| allowance | – | – | – |
| billing | – | yes | – |
| dailyLimit | – | – | – |
| models | array | yes | – |
| usedToday | integer | yes | – |
No examples provided.
quote_training Quote an RVC training job ~139
Call after inspecting the audio and before creating a job. Returns the exact payable amount, current balance, welcome-credit effect, shortfall, feasibility, and the private balance-page link when more balance is needed.
| Name | Type | Req | Description |
|---|---|---|---|
| durationSeconds | number | yes | – |
| epochs | integer | yes | – |
| trainingEngine | string | – | rvc (default): Standard RVC, portable .pth and .index. nicevois: NiceVois Training (Seed-VC with a finishing pass), which chooses its own settings. An account's one free training (in selected countri… |
| Name | Type | Req | Description |
|---|---|---|---|
| accountUrl | – | – | – |
| balanceAfterCents | integer | – | – |
| balanceBeforeCents | integer | – | – |
| canStart | boolean | yes | – |
| currency | string | yes | – |
| durationSeconds | number | yes | – |
| epochs | integer | yes | – |
| freeRunApplied | boolean | yes | – |
| payableCents | integer | yes | – |
| quotedPriceCents | integer | – | – |
| recommendedProduct | – | – | – |
| shortfallCents | integer | yes | – |
| subscriptionCreditAppliedCents | integer | – | – |
| subscriptionCreditRemainingCents | integer | – | – |
No examples provided.
start_training Start RVC training ~45
Use this only after the source audio was successfully PUT to the upload URL returned by create_training_job. Starts the private cloud RVC training job.
| Name | Type | Req | Description |
|---|---|---|---|
| jobId | string | yes | – |
| Name | Type | Req | Description |
|---|---|---|---|
| artifacts | – | yes | – |
| completedAt | – | – | – |
| createdAt | – | – | – |
| currentEpoch | – | – | – |
| durationSeconds | – | – | – |
| epochs | – | – | – |
| estimatedCompletionAt | – | – | – |
| estimatedRemainingSeconds | – | – | – |
| etaText | – | – | – |
| expiresAt | – | – | – |
| id | string | yes | – |
| links | object | yes | – |
| message | – | – | – |
| modelName | – | – | – |
| startedAt | – | – | – |
| status | string | yes | – |
| updatedAt | – | – | – |
| upload | – | yes | – |
No examples provided.
How do I install the NiceVois MCP server?
NiceVois is a hosted endpoint at https://nicevois.com/api/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
remote · nicevois.com
claude mcp add --transport http com-nicevois-rvc-training 'https://nicevois.com/api/mcp'
What is the NiceVois MCP server?
NiceVois is an MCP server listed in the public MCP registry as com.nicevois/rvc-training. Free stem, vocal, noise, reverb and format tools. Train RVC voices; convert vocals and whole songs. This page covers its hosted endpoint (https://nicevois.com/api/mcp).
Is the NiceVois MCP server safe to use?
NiceVois scores 85 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the NiceVois MCP server expose?
NiceVois exposes 19 tools: get_training_requirements, get_training_account, quote_training, create_training_job, start_training, and 14 more. Their descriptions and schemas cost roughly 2,290 tokens of context every time the server is loaded.
Does the NiceVois MCP server require authentication?
No. We connected to NiceVois without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the NiceVois MCP server still maintained?
NiceVois is still listed as active in the MCP registry. We last reached this channel on 5 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.
What did VerifyMCP test on the NiceVois MCP server?
VerifyMCP ran 13 checks on NiceVois, covering TLS certificate, Authorization, HTTPS, HSTS header and 9 more. Supply Chain Security and Provenance & Transparency do not apply to a hosted endpoint, so they were not tested. The score does not measure everything, and the scoring documentation lists what it leaves out.