"OpenTimestamps - Bitcoin-based timestamping protocol" matching MCP connectors:

An MCP server that audits the fairness of construction and renovation estimates in Japan. Provides fair-price ranges, overcharge detection, and verifiable unit-cost data based on JCCDB (65,729 items, DOI-backed).

Pre-reasoned Bitcoin & macro financial briefings for AI agents. Trend signals, regimes, 17 contexts.

On-chain stablecoin market cap and Bitcoin institutional holdings data.

Live Bitcoin buying gauge, treasury mNAV, buyable float, and a verified merchant directory.

Crypto backtesting & Bitcoin cycle analytics. Point-in-time, DSR-corrected, look-ahead-aware.

PayPerByte — per-byte data for AI agents: x402 USDC on Base, EIP-712-attested. No token.

Doc search, intent & cross-chain swaps, limit orders, portfolio, spot prices, gas & all APIs.

Non-custodial DeFi tools for AI agents on Solana: swaps, perps, lending, staking, equities.

Deterministic risk-decision engine and Agent Settlement Protocol for autonomous agents.

ZKP2P analytics on Base: live orderbook, route planning, explorer, and protocol market data.

DeFi protocol data: TVL, yield pools, and cross-chain analytics

Evidence-based market data for AI agents deploying capital in DeFi. Empirical, not advertised.

Free, public, read-only REST + Model Context Protocol server exposing real-time and historical DeFi liquidation telemetry for Aave, Morpho, Spark and Compound on Ethereum mainnet, plus block-builder market share data from the operator's own slot-by-slot shadow recorder.

Container shipping intelligence for AI agents — demurrage & detention charges, local charges, inland haulage, CFS tariffs across 800+ ports and 45+ shipping lines. Pay-per-request with USDC via x402 protocol on Base and Solana networks. 9 tools including 3 free endpoints.

On-chain stablecoin market cap and Bitcoin institutional holdings data.

MCP server for Renzo protocol data, including chains, vaults, operators, and ezETH metrics.

Read-only MCP server for The Quiet Protocol's engines, benchmarks, proof, and business data.

Bitcoin wallet intelligence for AI agents: trust, labels, tx verify, fees, and timestamps.

MCPCalc gives agents access to a comprehensive library of calculators spanning finance, math, health, construction, engineering, food, automotive, and more. It includes a full Computer Algebra System (CAS) and a grid-based Spreadsheet calculator.

MCP connector for EquipDash, a rental and booking management platform. Provides 123 tools and 5 prompts for AI assistants to manage bookings, check availability, process payments, track inventory, generate revenue reports, and interact with customer data — all via the Model Context Protocol. Supports bearer token authentication and streamable HTTP transport.