"Free Network Graph Visualization Tools (No Account Required)" 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.
Make all the audio for your game from a single prompt. Describe your game and your AI assistant plans every sound it needs (sound effects, ambience loops, music tracks and character voice lines), then generates them all in one go. You get several AI versions of each sound and keep the ones you like. Sounds are organized per game in folders and scenes, and the free Godot plugin installs them into your project, ready to play with one line of code. Works with Claude, Claude Code, Cursor and any MCP client, with OAuth login (no API key needed). Free plan included; sounds can be used in commercial games.
Speech-to-text, text-to-speech, OCR and typed decision-making APIs. Official site: https://suanlinfang.cn. New accounts get ¥10 free trial credit — create your API key: https://suanlinfang.cn/consume-web/api-keys.html
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 in 149 languages: MP3 links from any assistant. Free without an account.
Vietnamese-first text to speech, photo and PDF tools, audio to text, QR codes. Free daily allowance.
Remote text-to-speech MCP server with text_to_speech and list_voices tools. Free plan.
Remote text-to-speech MCP server with text_to_speech and list_voices tools, supporting English, Chinese, Spanish, French, Japanese and Korean voices.
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
Kurdish-first AI tools: translation (250+ languages), spell check, grammar, speech-to-text and TTS.
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.
Hosted pay-per-use TTS: 54 neural voices, 9 languages incl. Brazilian Portuguese. $10 free credits.
Giggy speech tools for AI agents: discover voices, generate speech and transcribe recordings.
Giggy speech tools for AI agents: discover voices and generate text-to-speech.
Make narrated whiteboard explainer videos from a topic, pasted text or a web page, inside the chat: 1 to 5 minutes, 16:9, 9:16 or 1:1, many narration languages. Tools: make_whiteboard_video, get_video (progress, then download and share links), list_recent_videos, get_my_account. OAuth 2.1 sign-in with dynamic client registration; videos use the signed-in KolaVid account's credits.
Synthesize short texts into WAV audio using offline formant voices in English, German and Spanish
Speech in 59 languages (OpenAI, Gemini voices) and AI video (Veo, Seedance, Wan) on your account.
Turn text into natural-sounding MP3 voice-overs in 6 languages. Free plan included.
Audio AI tools: transcription with speakers, stems, noise removal, MIDI, speech, voices and music.
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.
