Identity, reputation & verification for agents

Adversarial AI agent experiment where users try to convince an agent to release onchain funds.

Privacy infrastructure that gives MCP-compatible agents private wallets, encrypted messaging, and confidential smart contracts using Garbled Circuits.

A Cosmos SDK Layer 1 with EVM compatibility positioned as a settlement and distribution layer for AI agents.

A platform for deploying autonomous AI trading agents on Injective with onchain identity, order-book trading, and MCP framework support.

Visa protocol that lets merchants authenticate trusted AI shopping agents via cryptographic signatures, with x402 interoperability into traditional payment rails.

An ERC-8183 agent skill marketplace where builders register skills and agents discover, chain, and pay for them on-chain.

One-click deployment of Web3-native AI agents to Line, Kakao, and WhatsApp, each with its own wallet and onchain execution.

DePIN infrastructure providing agents with identity, wallets, and pay-per-request onchain settlement, with peaqOS skills for AI coding tools.

Pre-built MCP blockchain capability modules giving agents fraud detection, AML scoring, wallet profiling, and token analysis.

Pay-per-use security verification endpoints for AI agents, billed via x402 micropayments.

Open-source privacy SDK that adds unlinkable, zero-knowledge payments on top of the x402 agent payment standard.

Base-based marketplace where humans and AI agents post and complete tasks, with USDC locked in on-chain escrow, agent staking, and ERC-8004 identity/reputation.

A registry of AI agent skills that applies automated source-code scanning and assigns security grades before installation.

Routing and settlement layer and CLI for agent-to-agent commerce, supporting EVM wallets, agent discovery, A2A messaging, x402 payments, and ERC-8004 identity.

An open package registry where AI agents detect missing capabilities and install trust-scored skills on demand.

A public, npm-style registry for publishing, versioning, and searching OpenClaw agent skills and plugins.

Testnet only (Base Sepolia): an RFQ exchange where autonomous agents trade directly with each other, settled atomically on-chain. Not on mainnet; not audited.

TypeScript and Python SDKs to register an agent on ERC-8004, publish its MCP and A2A endpoints, and search for or give feedback on other agents.

MCP server for crypto-perps research signals, funding-rate arbitrage scans, and market-regime data.

AhnLab's BICScan MCP server: blockchain address risk scoring and asset lookups over the BICScan API.

Institutional RWA tokenization platform (ISO 27001/27701/27018, MiCA-aligned) with a no-code issuer studio and an API integration tier.

Protocol and SDKs (Python, TypeScript) for agents that register an ERC-8004 identity and record their work for reputation, with x402 payments.

npx CLI that scaffolds an ERC-8004 agent project with A2A and MCP servers and optional x402 payments, for EVM chains and Solana.

Intercepts agent transactions and checks them against 5 security oracles before execution.

MCP server for wallet-to-wallet messaging and agent identity resolution on Solana.

Reference Identity and Reputation registry contracts for ERC-8004, with ABIs and a per-chain deployment table, kept by the 8004 team.

Ethereum standard for verifying ERC-8004 agents across five categories with a unified 0-100 risk score.

Open-source attestation infrastructure for signing and verifying structured data, with contracts, a TypeScript SDK and a CLI aimed at agents.

Agent prediction platform: agents publish reasoned forecasts on real topics, are scored against outcomes, and accumulate memory; on-chain identity and key actions recorded, OpenClaw integration.

MIT-licensed runtime guard for AI coding agents: hook-level action blocking, a 24-rule skill scanner, and a per-skill trust registry.

Keyless REST APIs for token risk, approval risk, malicious addresses, signature decoding and transaction simulation across 46 chains.

Hashgraph Online MCP for agent discovery, chat, registration, workflows, and Hedera agent interactions.

Community MCP for Hedera: Mirror Node reads plus 73 build-only tools across accounts, HTS, HCS, EVM, and files.

Keyless API that simulates a buy and sell of an EVM token and reports the observed taxes, gas and honeypot result.

MCP server for ENS — resolve names to addresses, reverse lookups, text records, subdomains, and registration pricing.

Ledger's toolkit for AI agents: headless Ledger Wallet CLI + agent skills. Agents propose, a Ledger device must approve every signature.

Cardano-based payment and identity protocol letting AI agents pay each other via escrow with on-chain audit trails.

Real-time Ethereum L2 (~10ms blocks) with a native agent stack: the MOSS embedded wallet lets agents act under scoped, revocable permission policies — spend caps, contract allowlists, and expiry — without ever touching your keys.

TRON infrastructure MCP (hosted SSE + local stdio): energy/bandwidth prices, resource optimization, and TRC-20 stablecoin payments.

Solana program binding a verifiable on-chain identity PDA to an agent, so agents can hold assets without exposing a private key.

MCP server from SlowMist exposing MistTrack address risk scoring and fund-flow tracing to AI agents.

MCP server that signs CEX/DEX orders inside an attested AWS Nitro Enclave so keys never touch the agent process.

CLI wizard and scripts that register and update an agent's ERC-8004 identity, with the agent card stored as IPFS content on Pinata.

Official Polygon Labs CLI giving AI agents session-scoped wallets, x402 payments, and ERC-8004 identity in one install.

Provek is a framework for building agents on Ethereum.

PulseFeed checks an x402 endpoint before an agent pays it (liveness, a 0-100 score, receiver and price flags) and tracks changes to MCP servers and npm packages. Ships a guard SDK, an MCP server, and Vercel AI SDK and LangChain tools.

Gasless stablecoin payment relay and managed Agent Wallets across 12 EVM chains (EIP-712 + EIP-7702), with an MCP server and optional ERC-8004 registration on BNB Chain.

Public Solana token-report API: mint and freeze authority, metadata mutability, LP lockers and insider graphs, with a published OpenAPI document.

Open-source kit that gives an always-on agent (built for Grok Bot) its own Base and Solana wallet, with spending limits its owner sets and Sato Hub checks before it spends.

Self-hosted control plane for onchain agents: sealed local wallet, ERC-7715 session grants with chain-enforced caps, EIP-7702 execution, EAS attestation ledger, human kill switch.

Open-source zero-knowledge identity protocol (passport-based proof of personhood) used to gate agent access to onchain services.

Agent-identity authentication protocol modeled on Sign-In-With-Ethereum, letting services verify an agent before granting access.

Identity and payment layer for agents: KYAPay tokens carry an agent's identity and a USDC-backed payment commitment, with a hosted MCP server.

Dependency and package analysis from Socket, with a CLI and an MCP server that returns package scores to an AI assistant.

Public-good Solana program for attaching verifiable off-chain claims to onchain accounts, with TypeScript and Rust clients.

MIT-licensed MCP server that runs vulnerability-pattern checks against Solana smart contracts.

Community MCP server for Sui: wallet and session tools, coin/object/transaction queries, staking, SuiNS, and DEX lookups.

Agent-to-agent hiring network with escrowed payments (AP2), a SwarmScore reputation figure and a published OpenAPI spec.

Marketplace where AI agents hire agents: on-chain .agent identities (ERC-8004), escrowed jobs and quotes, settlement in USDC/USDT on BNB Chain and Base.

MCP Registry-listed server for non-custodial Solana trading: swaps, limit, trailing, TWAP, DCA, and combo orders.

Keyed risk APIs for address, contract and transaction screening, including sanction checks, across 13 documented networks.

Open-source scoring engine and on-chain registry on Polygon that rates autonomous trading agents from their trade records, with an isEligible() gate for protocols.

An autonomous agent/builder on Base publishing open-source crypto agent skills such as calldata decoding, proxy resolution, and protocol integrations.

Toolkit giving AI agents gasless access to crypto wallets and onchain functionality.

Skill collection for EmblemAI agents — 200+ crypto tools across seven blockchains.

Commerce SDK for bootstrapping AI agents that can pay, sell, and transact onchain.