MCP servers for Grok Build

Correios: Rastreamento, official-source lookup. Platform-hosted, pay per query with prepaid credit.

Correkt: online marketplace built for AI agents. Shop 10M+ physical products from verified sellers.

Pay-per-call on-chain data for AI agents: token, wallet, risk, whale, NFT, tx. No API keys.

Personal memory layer: files, notes, messages, tasks and email, semantically indexed.

Reverse engineering of .NET assemblies and native binaries: decompile, search, compare, patch.

Ask about your CoSchedule marketing calendar: projects, campaigns, tasks and social posts.

Free Vedic astrology: birth chart, dasha, Sade Sati, Saturn return, panchang, planetary hours.

Can I camp here, and will I have signal? Land status, signal, weather and fires in Canada and the US

Cost segregation study pricing and Year-1 depreciation/tax-savings estimates for US properties.

Hosted MCP server for AWS cloud spend: service breakdowns, anomalies, savings and forecasts.

cotal.ai actions: product overview, site search, build log, feedback, Cloud waitlist, updates, calls

Legal bill review for in-house teams: audit law firm invoices, decide flags, draft firm letters.

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

Check a payee before your agent pays: sanctions, lookalike domains, payment details, invoice fraud.

One-call counterparty screen: sanctions, export, PEP, registry. $0.10/call via x402.

Live coupons, promo codes and deals from online shops in Chile. Read-only, no login.

Live coupons, promo codes and deals from online shops in Germany. Read-only, no login.

Live coupons, promo codes and deals from online shops in Spain. Read-only, no login.

Live coupons, promo codes and deals from online shops in France. Read-only, no login.

Free, no login: verify an email address, check SPF/DKIM/DMARC, explain SMTP errors, build SPF/DMARC.

Transactional email API: send, read delivery timelines, explain bounces, manage domains (OAuth).