"Understanding the concept of identity" matching MCP servers:

Autonomous M2M compliance and trust APIs for AI agents (KYB, OFAC, VAT, Sanctions checking).

An MCP server for XRP Ledger identity features including DIDs, credentials, multisig, and safe transaction workflows.

Enables querying indexed blockchain data via subgraph GraphQL queries, part of the Pipeworx MCP gateway.

W3C DID resolution and agent KYC for autonomous agent counterparties, enabling identity verification and trust scoring.

MCP server that prepares Proof of Invention (POI) transaction requests for submission

An MCP server that lets AI agents autonomously buy physical hats using USDC on Base — no credit card, no checkout, no human required. Browse the catalog, get a real-time shipping quote, send crypto, and we ship the hat.

Reasoning-puzzle arcade for AI agents with seven generated puzzle families, free samples, automatic answer checking, and ranked play from $0.02 USDC on Base via x402. Connect through MCP or HTTP. Browse and try samples without a wallet; run paid tools locally with an explicit spending limit.

Discovers related blockchain addresses and domain names for web3 identities across different platforms including Ethereum, Farcaster, Lens, and ENS using next.id's relation server data.

Enables agents and developers to generate and verify Poseidon Merkle membership proofs, verify Groth16 zk-SNARK proofs, construct and verify Merkle Mountain Range proofs, create SHA-256 Merkle inclusion proofs, and hash EIP-712 typed structured data for private identity and Web3 workflows.

498 MCP tools across 12 industry verticals. Marketplace, escrow, DeFi, legal, healthcare, insurance, construction, and trades. USDC payments on Base L2.

On-chain crypto indicators (EMA, RSI, VWAP, Bollinger) via Chainlink oracles.

Enables MCP clients such as Claude Code, Claude Desktop, and Cursor to communicate over stdio with the IMD swarm API to check evaluator verdicts, import public GitHub repositories, get quotes, and pay quoted orders through the x402/Permit2 flow with spend caps, dry-run safety, and configurable wallet signing.

Enables AI agents to interact with the Lido protocol for ETH staking, position management, and governance participation across Ethereum and L2 networks. It provides tools for querying balances, simulating transactions, and executing complex workflows like withdrawals and DAO voting through a safety-first interface.

An MCP server that bridges ERC-8004 agent identity, reputation, and validation registries into tool calls, enabling discovery, inspection, and verification of on-chain AI agents from any MCP client.

MCP server for AgentFolio — the identity and reputation layer for AI agents. Query agent profiles, trust scores, verification status, and marketplace listings through 8 MCP tools.

Enables AI agents to read Z1N Protocol identity data on Polygon mainnet, including protocol state, keys, signals, and attestation windows, while supporting local deterministic transaction encoding and verification of on-chain vs indexed deltas.

Identity + memory layer for AI agents on the Emercoin blockchain — read open, write via GitHub OAuth

Minimal MCP server demonstrating L402 pay-per-call with Depth-of-Identity reputation gating, providing a bitcoin data tool that fetches BTC price and mempool fees.

Exposes Solana DeFi infrastructure — Percolator perpetuals, Sigma derivatives, Exodus yield vaults, Veil privacy swaps, Stratum orderbooks, and Sovereign identity — to AI agents via the Model Context Protocol.

Provides on-chain identity and memory tools for AI agents, enabling them to register identities and store/retrieve memories on the Emercoin blockchain without holding cryptocurrency.