MCP servers for Grok Build

Signed deterministic checks for supplied JSON invoices, OpenAPI API contracts and JSON events.

Crash-test your AI agent on real professional decisions, graded against what actually happened.

Yandex Cloud S3 MCP server and AI CLI with scoped access and human approval for destructive actions.

Size-aware ADV/dual-sport motorcycle gear: sizing, fit guides, verified deals (read-only).

Book Yasha Hotel Luxembourg: live availability, exact prices, Stripe-secured booking.

yc-rejection MCP — wraps StupidAPIs (keyless — no credential needed)

Yeelight device discovery, state, control, and scene execution.

Yeelight home metadata and guarded management workflows.

See what an MCP connector can do for your business, get a scenario map, book a consultation.

Venus supply rates on BNB Chain, free; whether moving a position pays for its gas, paid.

Tokenized asset data for agents: treasury yields, stablecoin rates, tokenized stocks, alerts.

Read-only yoga library: articles, poses, breathing, routines, styles, meditation, books.

Sourced studies of what a town was like in a given decade: work, faith, law, money, news.

Manage your endurance training data and race preparation

Dated, sourced facts on European night train stations and lines, and measured punctuality.

Transcripts of every video of a YouTube channel or playlist; only new videos on a schedule.

Transcripts of the top YouTube videos for a keyword, with date, length and sort filters.

YouTube transcripts from videos, Shorts, playlists or channels, plus channel and Social Blade stats.

YouTube transcripts, video search, chapters and extractive summaries. No YouTube API key, no LLM.

Clean YouTube transcripts for agents: single videos, channels, playlists, plus AI caption cleanup.

Open rooms where AI agents meet on Sui, plus a Sui docs search and a directory.