"How to obtain an API key" matching MCP servers:

Text-to-speech MCP server that enables AI assistants to read text aloud on the user's computer using Windows SAPI, with no API key or cloud service required.

Enables conversion of YouTube videos to MP3 format through the Youtube To Mp315 API. Supports checking conversion status, retrieving video titles, and asynchronous video-to-audio conversion with customizable quality and time range settings.

Enables users to convert text into high-quality audio by accessing the OpenAI Text-to-Speech API. It supports customizable model selection and voice options for synthesized speech generation via the MCP protocol.

Enables clients to generate images, videos, music, and voiceovers across supported models by API ID, monitor long-running tasks, and install agent skills over one hosted connection, with USD quotes and approval before paid calls.

Enables AI agents and developers to generate images, videos, audio, and text using 100+ models via MCP or REST with a single API key.

Provides LLMs with full access to the Ken Video API for professional video processing, including adding audio, captions, and job management.

Enables AI agents to create and edit Strudel music code, render offline WAV audio, and obtain structured hearing reports with waveform, spectrogram, BPM, and onset analysis.

Enables MCP clients to search an AI song library in 24 languages, generate prefilled links for starting custom songs, and find audio tools for tasks such as stem separation or vocal removal. The hosted server requires no API key and exposes read-only tools.

Lets AI assistants render HTML animations to MP4 or GIF in 16:9, 9:16 and 1:1, preview single frames to check their own work, and finish videos with royalty-free music, AI voiceover, burned-in captions, titles and logos. It renders code frame by frame in a real browser rather than generating video from a text prompt.

A low-latency text-to-speech MCP server that uses local Kokoro GGUF inference via TTS.cpp, providing say, get_voices, and get_status tools for AI agents to synthesize speech and manage playback queues.

Exposes MCP tools that let an AI companion control Bluetooth adult toys: setting vibration intensity, running patterns, drawing or writing on a synced canvas so the toy follows the pen, speaking with audio-driven vibration, and listening to or replaying the user's reactions. It works across multiple toy brands via a phone-based Bluetooth relay and a browser remote panel.

Transcribe audio/video URLs and detect silence for cutting, with pay-per-call billing in USDC via x402, no account or API key required.

Provides on-device Chinese speech recognition with traditional Chinese (Taiwan) output via MCP server, HTTP API, and CLI, ensuring privacy by processing audio locally without uploading to cloud services.

Enables MCP clients to manage Apple Music playlists end-to-end, including search, playlist creation and editing, metadata and flow auditing, track ordering optimization, and listening statistics, without an Apple Developer account.

Enables AI agents to turn YouTube videos into downloadable audio files in formats like MP3, M4A, WAV, FLAC, and OGG (with optional clipping), and to retrieve existing captions as text, JSON, Markdown, SRT, or VTT. Uses your own RapidAPI key and supports job polling for longer conversions.

Enables AI assistants and local LLMs to interact with BirdNET-Go bioacoustic observatories, providing tools to query recent and historical bird detections, monitor station health, and retrieve audio clips.

Official MCP server for SpicyAPI, an unrestricted AI API with no platform content filter: browse 200+ image, video, audio and chat models, get exact USD quotes, upload local files, create generation tasks and collect results, with a confirmation before every paid step.

Text to speech for MCP clients. Reads numbers, dates and order IDs correctly. 23 languages, six voices, every render watermarked. Free key with 100,000 characters, no card.

Enables pay-per-call access to 90+ generative AI models and utility tools via any MCP client, with no signup or API key, using wallet-based USDC payments on Base, Tempo, or Solana.

An MCP (Model Context Protocol) server that exposes Sonilo's licensed music and sound-effects API to MCP-compatible clients (Claude Code, Claude Desktop, Codex).

Enables LLMs to analyze music (genre, mood, tempo, key), separate audio stems, detect AI-generated music, and measure loudness using IRCAM Amplify's audio processing APIs.

Game sound effects for AI coding agents. 45 presets: Eastern instruments (guqin, pipa, erhu, temple bells, gongs, war drums), xianxia magic (sword qi, thunder, talismans) and general game sounds (UI, coins, combat, footsteps, ambience, monsters). Renders locally to WAV files or a dependency-free JavaScript snippet. No API key, no network, free for commercial use. Run with: npx -y sfxbrew mcp

Enables AI agents to master audio tracks to target LUFS/True Peak levels, remove Suno/Udio AI fingerprints, and retrieve mastering passports via a hosted MCP server.

Converts text or transcripts into MP3 audio using Microsoft Edge's free neural voices. Provides text-to-speech and voice listing tools with no API key required.

Enables AI assistants to generate video, images, music, speech and sound effects, transcribe audio, edit and extend clips, and upscale media across 100+ models using a single API key. Also provides task tracking, model discovery, cost estimation and balance checks.

Enables users to transcribe direct audio and video file links using their own Deepgram, AssemblyAI, Groq, or OpenAI key, returning transcripts with timestamped segments, language, and duration through Apify.

Enables AI agents to analyze local or URL-hosted audio files with TrackTag, returning professional music metadata such as BPM, key, genres, moods, and 35+ fields. Runs locally on your machine, using your TrackTag API key and credit balance for analyses.

Enables YouTube video search and audio download via web scraping, requiring no API key.

Multi-provider AI video, speech, music, and transcription MCP server enabling video generation, image-to-video, TTS, music creation, and speech-to-text via a unified interface.

An MCP server that gives Claude Code (or any MCP client) full control of Reaper.

Enables MCP clients to run 80+ ready-made AI apps and generate images, videos, and songs from text prompts or local photos, using the free house engine without an API key or premium models with one. Results can be polled and saved directly into a folder.

Generate AI images, video, speech, and music from Claude, ChatGPT, Cursor, and other MCP clients through the Clipia API.

Provides video manipulation via ffmpeg (frame extraction, format conversion, trimming, audio adjustments, filters, and subtitle handling) without requiring an external API key.

Barevalue edits podcast audio. Hand over a raw recording by link or from disk and get back a finished episode: noise and levels fixed, filler words and dead air removed, plus a transcript, show notes and highlight clips for longer episodes. An agent can sign up and place an order with no human step.

Enables Claude, Codex, or another MCP client to search a personal offline music library, build playlists, control playback, import recordings, trim clips, and organize albums and tags.

An MCP server that enables voice-to-voice AI conversations using ElevenLabs for speech synthesis and recognition, with tools for voice management, text-to-speech, and speech-to-text.

Local music video toolkit: BPM, key and Camelot detection, best 15/30 s clip, beat-synced shot lists, Spotify Canvas maker and platform specs. Runs on your machine with ffmpeg, no API key.

An MCP server for audio-to-text transcription using Google's Gemini API via OpenRouter, offering multiple tools for raw, cleaned, or formatted transcripts with support for local and remote deployment.

Lets Claude Desktop and Claude Code generate images, videos, speech, and music through any Poe bot using a Poe API key, downloading the resulting media to local files and returning their paths along with the original URLs.

Provides 30+ FFmpeg video and audio editing tools via MCP, enabling AI assistants to perform operations like trimming, transcoding, overlays, and composition directly.