Spec Driven Development
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Description from the maker (original English)
Hosted pay-per-use TTS: 54 neural voices, 9 languages incl. Brazilian Portuguese. $10 free credits.
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Pick the AI app you use, then copy the settings.
AuthorizationValues marked secret are keys to your account. Never share them or paste them into a chat.
You need
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Pick your app above. We remember it, so next time the button says “Install in …”.
This address needs a key in a request header, which the add-connector menu cannot set. Use Claude Code, Cursor or VS Code instead.
Run this in your terminal
claude mcp add --transport http tts https://api.brainiall.com/mcp/tts/mcp --header 'Authorization: your-value'Fill in the empty values before running it.
Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json
{
"mcpServers": {
"tts": {
"url": "https://api.brainiall.com/mcp/tts/mcp",
"headers": {
"Authorization": "your-value"
}
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
Paste into .vscode/mcp.json in your project
{
"servers": {
"tts": {
"type": "http",
"url": "https://api.brainiall.com/mcp/tts/mcp",
"headers": {
"Authorization": "your-value"
}
}
}
}Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.
This address needs a key in a request header, which the add-connector menu cannot set. Use Claude Code, Cursor or VS Code instead.
Your choice stays on this device in a cookie; no account needed.
Authorization secret required HTTP headerThese settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.
We have not read this server’s tool list yet; we check endpoints in rotation.
We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026
The registry name was verified against the domain brainiall.com (the registry checks domain ownership)
We have not read this repo from GitHub yet
We have not read this repo from GitHub yet
Not checked yet; we check endpoints in rotation
Not checked yet; we check endpoints in rotation
Not checked yet; we read the tool list when we check the endpoint
Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.
It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.
You need to fill in: Authorization
It runs in the maker’s cloud. Connect over the internet with nothing to install, but what you send passes through the maker’s servers.
The GitHub repo last changed –, and the latest version (1.0.0) reached the registry 4 months ago.
Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.
In the same category: Spec Driven Development, Remote Desktop Commander, Fomu MCP
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Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi
MCP Server that facilitates spec-driven development workflows, not just Vibe Coding.
Remote Desktop Commander: use files, terminal and processes on your own computers from any AI app.
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Hosted text-to-speech for AI agents via the Model Context Protocol.
54 neural voices, 9 languages — including native Brazilian Portuguese (pf_dora, pm_alex, pm_santa) — served from a hosted, pay-per-use API. No GPU, no model downloads, no ElevenLabs subscription: bring one API key and pay $0.008 per 1,000 characters ($10 free credits on signup).
Every other TTS MCP server either runs models locally (heavy, slow to set up) or wraps a third-party key you already pay a subscription for. This one is a hosted, metered API:
Get an API key at app.brainiall.com ($10 welcome credits, no card required).
The button installs the remote server in discovery mode, so VS Code can list its tools without a secret. Synthesis still fails closed until you add your Brainiall API key. For a secure workspace configuration that prompts once and stores the key in VS Code's secret storage, copy .vscode/mcp.json into your project or clone this repository, then start brainiallTts from MCP: List Servers.
{
"inputs": [ { "type": "promptString", "id": "brainiall-api-key", "description": "Brainiall API key", "password": true } ], "servers": { "brainiallTts": { "type": "http", "url": "https://api.brainiall.com/mcp/tts/mcp", "headers": { "Authorization": "Bearer ${input:brainiall-api-key}" } } } }
After the server starts, try:
Use Brainiall TTS to list the Brazilian Portuguese voices, then read “Olá do VS Code” with
pf_dora.
The install URL format and secret-input configuration follow the official VS Code MCP guide and configuration reference.
Use the restricted remote-server configuration for Copilot cloud agent or Copilot code review. It allowlists the three Brainiall tools and resolves the Bearer token from the repository's COPILOT_MCP_BRAINIALL_API_KEY Agents secret; no API key is committed.
Copy the ready-to-use Continue MCP block to .continue/mcpServers/brainiall-tts.yaml, then put BRAINIALL_API_KEY=your-key in .continue/.env. Keep that .env file out of version control.
The block uses Continue's supported streamable-http transport and resolves the key through ${{ secrets.BRAINIALL_API_KEY }}; no credential is committed. See the Continue setup and smoke test.
For a Dify speech workflow, use the open-source BRAINIALL Speech provider and keep the API key in Dify's credential store. The bounded Dify intent route explains the caller-owned boundary; it is not a Dify partnership or a guarantee of production behavior.
Codex CLI / IDE / ChatGPT desktop app
Use the project-scoped Codex configuration. It reads BRAINIALL_API_KEY from the environment, allowlists the three Brainiall tools, and prompts before every call.
Claude Code
Use the environment-backed Claude Code configuration. It keeps the key out of .mcp.json, scopes the server to the current project, and documents the external-data and metered-usage boundary.
Claude Desktop / any client with `.mcp.json`-style config
{
"mcpServers": { "brainiall-tts": { "type": "http", "url": "https://api.brainiall.com/mcp/tts/mcp", "headers": { "Authorization": "Bearer YOUR_BRAINIALL_API_KEY" } } } }
Cursor (~/.cursor/mcp.json)
{
"mcpServers": { "brainiall-tts": { "url": "https://api.brainiall.com/mcp/tts/mcp", "headers": { "Authorization": "Bearer YOUR_BRAINIALL_API_KEY" } } } }
LM Studio
Use the official one-click deeplink and the explicit local-model privacy boundary in the LM Studio setup guide.
OpenCode v2
Use the remote-server schema and environment-backed Bearer header in the OpenCode v2 setup guide.
Msty Studio
Use the manual Msty Studio field guide for a Streamable HTTP connection. The reference file is not presented as an official integration or import preset.
Hugging Face Chat UI (self-hosted)
Use the administrator MCP_SERVERS example and a tool-capable model. The guide documents the shared-key boundary for base servers.
/v1/audio/speechUse the zero-dependency partial OpenAI-shaped TTS adapter when a client can configure an OpenAI-style speech route but cannot call Brainiall's native endpoint. The adapter returns WAV only, declares the sample rate observed in the WAV header, never retries a metered request, and documents the exact compatibility limits. It is a local reference adapter, not a claim that the hosted Brainiall API is natively OpenAI-compatible.
The server itself is a thin wrapper — you can self-host it and it will proxy to api.brainiall.com with your key:
docker build -t brainiall-tts-mcp .
docker run -p 8080:8080 -e APIM_KEY=YOUR_BRAINIALL_API_KEY brainiall-tts-mcp
| Tool | Description | Cost | |
|---|---|---|---|
synthesize_speech | Convert text (≤5000 chars) to WAV speech. Params: text, language (default pt), voice, speed (0.5–2.0), output_format (audio \ | base64_json) | $0.008/1K chars |
list_voices | Full voice catalog with language, gender, accent, quality grade. Optional language filter | free | |
check_tts_service | Backend health status | free |
| Language | Voices |
|---|---|
| Portuguese (BR) | pf_dora, pm_alex, pm_santa |
| English (US) | af_heart, af_bella, af_nova, am_adam, am_michael + 14 more |
| English (GB) | bf_alice, bf_emma, bm_daniel, bm_george + 4 more |
| Spanish | ef_dora, em_alex, em_santa |
| French | ff_siwis, fm_gilles |
| Italian | if_sara, im_nicola |
| Hindi | hf_alpha, hf_beta, hm_omega, hm_psi |
| Japanese | jf_alpha, jf_gongitsune, jm_kumo + 2 more |
| Mandarin | zf_xiaoxiao, zm_yunxi + 6 more |
Ask your agent:
"Read this paragraph out loud in Brazilian Portuguese with a female voice"
The agent calls synthesize_speech(text=..., language="pt", voice="pf_dora") and receives playable WAV audio.
For copy-ready prompts and smoke tests for narration, accessibility, language practice, and agent alerts, see Agent workflow recipes.
For REST client testing and automation, import the Postman collection. It contains health, voice-list and two-character synthesis smoke tests and keeps the API key in a collection variable rather than the request URL.
For no-code automation, import the n8n text-to-WAV workflow. It uses n8n's Header Auth credential instead of embedding a key in the workflow, sends editable text, voice and speed fields to the hosted API, and returns the WAV in the binary property speech. The template is statically validated; select your credential and run it in your own n8n instance to validate the live integration.
For code generation, API clients, and directory discovery, use the machine-readable OpenAPI 3.1 specification. The specification documents the authenticated voice catalog and WAV synthesis endpoints without embedding an API key.
Pass your Brainiall API key as a Bearer token (see configs above). Usage is metered per character against your account balance — the same key works across all Brainiall APIs (STT, OCR, NLP, image and more at brainiall.com).
https://api.brainiall.com/mcp/tts/mcphttps://api.brainiall.com/mcp/tts/healthPOST https://api.brainiall.com/v1/tts/synthesizeMIT