MCP servers for Grok Build

Keeps AI agents from repeating costly mistakes: past decisions, rules and incidents, shared by all.

Research stocks, backtest trading ideas, and paper trade from Claude, Cursor, or your AI agent. Connect your NexusTrade account.

x402 paid content and Nib Tips with pending holds, refunds, public ledger, pricing, and reputation.

Read, write, and conversationally review open-source flashcards through split read/write MCP tools.

Dealer gamma exposure (GEX) levels and dealer positioning heatmaps for US equity options.

Audit your brand's visibility across ChatGPT, Gemini, Claude, Perplexity + 6 more engines.

AI sales agent: finds B2B buyers, researches each one, writes from your accounts, books meetings

Search and monitor source-backed AI agent ecosystem signals, briefings, deltas, and source health.

NL provincial and federal spending records, each with its source. Addresses do not locate work.

Toxicity, sentiment, NER, PII detection, and language identification tools

Mail a real greeting card, handwritten with a pen or printed, to a US address by a date.

Mail real US letters, postcards and certified mail from an agent, quoted before sending.

Order photo prints, canvas, T-shirts and mugs from photos, made by a lab and posted in the US.

Real-time single and bulk email validation (syntax, MX, 5,000+ disposable domains, SMTP).

Accommodation search in Poland on noclegowo.pl: offers, availability and whole-stay prices.

Review your AI agents' work in minutes, not hours of chat. Approve it or send it back.

Chữ Nôm lookup, search and Vietnamese ↔ Nôm conversion, incl. 2,422 unmapped PUA codepoints.

Semantic nearest-neighbour search over your datasets, plus indices and projections.

Legislative and regulatory data from Brazil: bills, the Official Gazette (DOU), BACEN, CVM and regulatory agencies.

Search German open educational resources (OER) via AMB/schema.org metadata, open licenses only.

Find companies and decision-maker contacts in Finland, Sweden and Estonia for B2B prospecting.