"Free Network Graph Visualization Tools (No Account Required)" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Check voice recording levels locally and share approved results with your assistant. OAuth required.
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
STT + SRT/VTT; 3-hour async jobs; dTelecom-compatible file API; x402 $0.005/min, no prepaid credits
Add burned-in captions to any video in one call: 28 caption styles, transcription, translation, dubbing, silence trimming and AI shorts. REST + MCP, prepaid credits (1 credit = 1 cent), free tools work without a key.
Cited Q&A over 2026 conference talks and YouTube videos. $0.02/query, free daily tier, key or x402.
Turn a recording you own into a timestamped transcript with SRT and VTT captions and clips.
Private English speech-to-text for AI assistants. Transcribe a public HTTPS audio link, a one-time file upload, or an inline clip, with optional word timestamps and speaker labels. Audio is processed in memory on our own hardware in North Carolina, then erased, without training on recordings. Requires a Loquela Remote account and subscription or prepaid minutes. Beta service for US customers; English audio only. Docs: https://docs.getloquela.com/remote/mcp
Generate AI voices, text-to-speech, subtitles, transcription, and video localization.
Photo Sheet turns a photo or a voice note into a clean table.
Dial by Aloha Labs gives an AI agent its own real US or Canadian phone number through one remote MCP server, with no install. Signup is open, and agents can sign themselves up with the sign_up tool. Dial reads incoming verification codes, receives texts, and places AI voice calls with 10 voice personas. Free: $5 credit, no card, OTP codes included. Paid plans start at $15/mo.
Turn any video or audio recording into text your AI can read, summarize and search. Say "transcribe my video", drop the file on the private link, and your AI reads the transcript. Free plan, nothing to install.
500+ AI models in one account: find and price models, make images, video, speech and text.
Remote MCP for three phone actions: call_me calls your verified number for decisions, call_person relays a user-approved message to a specified person, and call_business calls businesses for inquiries or bookings. Results return to the agent. Each user supplies a LifeClaw Bearer API key; outbound calls may use account credits. Setup: https://lifeclaw.agentese.ai/mcp
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.
Give your AI assistant a real phone line. Place and end real phone calls with AI voice agents, read call transcripts, run a live two-way interpreter between two people who share no language (31 languages, browser link or phone), create and edit voice agents, and search, buy and bind phone numbers in 21 countries. OAuth 2.1 with PKCE — the model never sees your API key; a read-only scope is available. Pay as you go from $0.10/min, $5 free credit for new accounts.
Manage voice agents, phone numbers, calls, SMS and campaigns in your Skysay workspace over MCP. OAuth authentication and a Skysay account are required; calling and number provisioning are usage-priced, and availability, capabilities and verification requirements vary by country. 100+ countries covered.
Text to speech in 149 languages: MP3 links from any assistant. Free without an account.
Shared GPU beta: account API/MCP, task catalog, text, images and audio. Capacity varies.
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.
Generate text, images, videos, speech and transcripts with your Easy-Peasy.AI account.
15 tools, 38 languages, 8 AIs. Apple-approved 3-day Pro trial; subscription renews, no free Sends.
Use your WhisperAI transcripts in Claude, ChatGPT and other MCP clients. Transcribe a public media URL or upload audio and video, with optional speaker labels and a language choice. Search your library, read transcripts with timestamps, export them as text or SRT and VTT captions, pull an AI summary, and translate, rename or delete recordings. Sign in with your WhisperAI account over OAuth. It works on every plan, the free one included, and uses your plan's normal minutes.
89 pay-per-call tools for agents: screenshots, scraping, PDF, OCR, TTS, STT, invoices, KYC, utils
English WAV transcription on a GPU. No login: agents obtain temporary trial access automatically.
x402 pay-per-call agent tools: token safety/honeypot check, speech to text, TTS, translate, OCR, web
Everyday tools for AI agents, paid per call with x402: images, markdown, speech-to-text, embeddings.
Free web lookups; PDF to Markdown, audio transcripts, screenshots, WHOIS/DNS paid per call via x402.
Find and price AI voices from real, verified voice actors in ten languages. Read-only, no sign-up.
Get YouTube video transcripts and transcribe TikTok videos to text from a link. No sign-up.
Connect the OneStepTranscribe MCP server to your AI assistant and turn audio or video into text without leaving the chat. It is a remote server, so there is nothing to install, no API key, and no account. Just add one URL and ask your assistant to transcribe a file.
49 audio tools: trim, convert, normalize, remove vocals, split stems, transcribe, and more.
Acting direction for AI video and voice: state-based behaviour kits and a free prompt linter.
Pressure-test a startup idea in a live voice interview with an AI mentor; get a GO/NO-GO verdict.
Sorani & Kurmanji TTS+STT: Kurdish speech most APIs lack. 885 voices, free tier, no key to browse.
Hosted speech-to-text + speech emotion/tone analysis for agents. No install; trial keys built in.
Voice-powered bug reporting with 13 MCP tools. Record bugs by talking; let AI find and fix them.
Any video URL to LLM-ready transcript. ASR built in, no captions needed. TikTok, X, TED and more.
Free IELTS prep: band-scored student essays and interactive Listening/Reading drills graded in-chat.
AI voice agents on SMB websites — fully autonomous build in 2–3 min. 23 MCP tools. EU, GDPR.
