"Historical cryptocurrency market data" matching MCP connectors:

Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.

Exit-cost estimates, depth concentration, liquidity tiers, and sealed records; no commodity futures.

Read-only breach intel, full history 2007-today: reports THAT an org was breached, never the data.

Fourteen paid x402 and MPP tools for web data, payment preflight, audits, DeFi, and work discovery.

MCP server for live, sourced Brazilian public data from the official IBGE APIs.

Entity resolution — data mapping, SDK code generation, docs search, and error troubleshooting

Read-only MVR preflight for trust, permission, evidence gaps, and African market-entry readiness.

Bank and lender monitoring with historical-evidence limits and eligibility flags beside every claim.

Open AI Visibility Index for crypto and Web3. Weekly share-of-answer measurements for 24 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.

Open AI Visibility Index for SaaS and AI tools. Weekly share-of-answer measurements for 20 tracked brands across ChatGPT, Perplexity and Gemini, from a frozen versioned prompt panel. Five read-only tools: full index, per-brand lookup, brand list, complete measurement history and methodology. No auth, no API key. Data is CC BY 4.0 with a permanent archive of every weekly snapshot, so any figure can be verified independently.

Zillow MCP for AI agents: property data, Zestimates & listings — 300+ fields per home. Free tier.

MCP server for Brazilian Federal Senate open data (legislative, administrative, e-Cidadania).

Amazon research from AMZScout data: analyze products & niches, keywords/PPC, and brand catalogs.

Reviewed competitor pricing, offer comparisons, and market-change evidence with x402 payments.

Savvly MCP: query fund data, model projections, and compare against alternative retirement products.

Mocap, rehab biomechanics, threat intel, fleet vision. 21 MCP tools, 10 free. x402/USDC paid.

Generate, edit, and export data-architecture diagrams from your AI. Column lineage, PNG in chat.

AMZScout Skill + MCP gives AI agents live access to real Amazon marketplace data across 14 Amazon marketplaces. Analyze any ASIN, validate product ideas, research niches, compare competitors, discover profitable keywords, and build data-driven PPC strategies using trusted Amazon insights instead of AI assumptions. Works with Claude, ChatGPT, Cursor, and any other MCP-compatible AI client. To connect, you'll need an AMZScout API plan and authorize your account. Get access and view pricing here: https://learn.amzscout.net/amazon-product-api-for-ai-agents

Classify data safety before storing or sharing. GDPR, HIPAA, PCI-DSS, CCPA. AI-powered.

AgentFeed: 47 tools — our own liquidation tape + tokenized-equity peg data, paid in USDC.