"Free servers available for testing purposes" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
AEO and SEO research engine for your brand. Studies what gets ranked and cited on a topic, then builds content plans around what your brand can add. Tracks how AI engines mention and cite your brand against competitors, and ranks what to work on next. Requires a Hi, Moose account. Some tools need the desktop app open on a host computer.
Generate AI voices, text-to-speech, subtitles, transcription, and video localization.
A spoken voiceover of your own text: the script is paced for listening (pauses, emphasis, emotional cues) in the delivery style you describe, then read by one stock male AI voice and returned as an MP3. No voice cloning.
Text to speech and transcription for any AI model: MP3 voiceovers, audio and YouTube to text.
Text to speech, voice listing and phrase library search for AI assistants. API key header.
Hosted MCP for speech cleanup. Remove noise, filler words, and dead air. Also cut, join, transcribe, and TTS. Sign in with a CleanAudio account. No API key. Endpoint: https://mcp.cleanaudio.app/mcp This is cleanaudio.app, not cleanaudio.io.
Remote text-to-speech MCP server with text_to_speech and list_voices tools. Free plan.
Text to speech in 149 languages: MP3 links from any assistant. Free without an account.
Vietnamese-first text to speech, photo tools, Word to PDF and TCVN3/VNI fixes. Free daily allowance.
Free no-LLM token savers: URL→Markdown, outline, JSON trim, log compress, token count; x402 extras
Free, no sign-in: favicons, web to Markdown, CSV to chart, text to speech, time zones, passwords.
Sorani & Kurmanji TTS+STT: Kurdish speech most APIs lack. 885 voices, free tier, no key to browse.
Free IELTS prep: band-scored student essays and interactive Listening/Reading drills graded in-chat.
Free receptionist tools: phone scripts, IVR menus (EN+ES), ElevenLabs prompts, missed-call math
Text to speech for your AI. Your AI can send text to Doc Player to read it aloud. You will see a reader window with the text and you can control the playback sentence by sentence. Find an example here: https://documentplayer.com/connect-ai/
Hosted pay-per-use TTS: 54 neural voices, 9 languages incl. Brazilian Portuguese. $10 free credits.
Pronunciation scoring, speech-to-text, and text-to-speech for language learning
Turn text into natural-sounding MP3 voice-overs in 6 languages. Free plan included.
Giggy speech tools for AI agents: discover voices and generate text-to-speech.
MCP server for Text-to-Speech
The Listenetic MCP server is a remote, cloud-hosted server that enables AI assistants like ChatGPT and Claude to convert articles, documents, websites, and videos into high-quality AI-generated audio. It provides multi-format support for text and binary files, natural-sounding text-to-audio conversion using AI, and specialized processing for SSML, markup, markdown, and various media formats through three core tools: listentic_supported_mimetypes, listentic_add_content_text, and listentic_add_content_binary.
