"Understanding Call Hierarchy in Software Development or Programming" matching MCP connectors:

Free, no sign-in: favicons, web to Markdown, CSV to chart, text to speech, time zones, passwords.

Text to speech in 149 languages: MP3 links from any assistant. Free without an account.

Your AI rings your iPhone, speaks its question, and gets your spoken answer back as text.

KeenIELTSA

com.keenielts

Free IELTS prep: band-scored student essays and interactive Listening/Reading drills graded in-chat.

ElevenLabs in natural language: generate speech in any language, create and manage voices, compose m

Free receptionist tools: phone scripts, IVR menus (EN+ES), ElevenLabs prompts, missed-call math

Text-to-speech API: neural voices, pay-per-credit in Bitcoin sats via BTCPay.

CleanAudioOAuth

app.cleanaudio.mcp

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.

PodstowOAuth

app.podstow

Send web articles or AI-written text to your personal podcast feed; listen in any podcast app.