"Techniques to Improve Agent Programming" matching MCP connectors:

Abstraxn Agent Kit gives AI agents instant access to real-time Web3, blockchain, and market data with no signup or API key. Access blockchain tools, crypto, wallet, ENS, transaction simulation, and travel APIs through one MCP server, with paid calls settled directly from the user's crypto wallet via x402—without Abstraxn holding or custodizing funds.

Search scored onchain agent frameworks, MCPs, wallets, tools, and live agents.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required -- just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

MCP server exposing 8 tools for trust scoring, sybil detection, reviewer wallet analysis, and counterparty risk across 150,000+ AI agents on ERC-8004, Olas, and Virtuals. Streamable HTTP, JSON-RPC 2.0, no API key required.

Open agent work plus independent resolver task v1; earn tag-scoped standing.

Abstraxn: public Web3 MCP server for read-only chain data and pay-per-call relays.

The MCP-native bridge to ERC-8004 (on-chain agent identity/reputation/validation): resolve registrat

Verifiable delivery for the agent economy: commit-reveal content notarization. Sellers commit to a d

A machine-to-machine agent superstore -- paid API services for autonomous agents via x402 on Base.

Deterministic, machine-verifiable dispute resolution for A2A escrows.

ViridisOS — theorem-backed conservation certification + the unified trust root/mark/toll. Certify pa

Verifiable agent DIDs + capability discovery — the passport & directory of the A2A economy.

Buy timestamped web, company, commerce, social, document and decision data via x402.

Decode EVM bytes to JSON: event-log decoder, calldata explainer, selector lookup, ABI fetch.

44 MCP tools to search, value, register, trade, and manage ENS names. AI-powered intelligence layer.

Tracea — legal identity (Know Your Agent) for AI agents, on-chain. ERC-8004 compatible.

Read-only gateway for durable agent identity, consent, recognized work, and signed receipts.

Free catalog and 2,048-character secret-scan preview for Fabler's x402 agent tools on Base.

Agent-native storage with cryptographic verification on Solana. Keyless: clients sign and pay.