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MCP server for retrieving Japanese stock market data via J-Quants API v2

Japanese public-program MCP — subsidies, loans, tax, law, invoice. 261 tools, ¥3/billable unit

PCI DSS v4.0.1 compliance scanner for Go payment services, delivered as an MCP server

Multi-chain EVM blockchain data with companion smart contracts

AI agent-to-agent SLA agreements on Base with insurance, reputation, and x402 payments.

Burn $ASH to mint on-chain NFTs on Ethereum. No browser. Two agent tool calls.

Deterministic AI-liability attribution: signed, Bitcoin-anchored vendor/deployer/user fault split.

Deterministic AI liability attribution with Bitcoin-anchored proof certificates.

Sourcegraph code search, semantic search, go-to-definition, find-references, and diff search.

Crypto market data for AI agents via x402. 16 tools: prices, funding, DeFi yields, arbitrage, TA.

Calibrated world model for AI agents. 40 tools: world state, markets, trading. Kalshi + Polymarket.

DefiLlama MCP — TVL, yields, volumes, fees, and protocol analytics for DeFi.

Pyth Hermes MCP — real-time price feeds and oracle data for DeFi agents.

A/B experiment runner for the A2A network with x402 micropayments on Base USDC.

Multi-party agent barter — non-cash capability exchange with cryptographic receipts

Hive MCP server implementing the EIP-712 over USB/DMK ledger-bridge integration spec…

Reference integration with @kinthaiofficial OpenClaw 3-layer payment governance

Agent-native price and event oracle with cryptographic source attestation

A2A ZK wallet recovery — guardian swarm, no seed phrase, HiveLaw enforcement

USDC treasury vaults, streaming payments, and DeFi yield for AI agents