"Researching an author based on their books" matching MCP connectors:

MCP server for Fuse Network: balances, tokens, staking, DeFi data, swaps and on-chain transactions.

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.

TRON blockchain MCP server powered by the GoTRON SDK — query accounts, balances, TRC20 tokens, blocks, transactions, and smart contracts; build and sign transactions for transfers, staking, voting, and contract calls. Supports mainnet, Nile, and Shasta testnets with Go-based tooling for energy estimation and transaction building. Available via stdio or hosted Streamable HTTP

Gasless, MEV-protected onchain token swaps for AI agents on 11 EVM chains, built on CoW Protocol.

Prove a real, unique human performed an action; mint a signed, verifiable Proof-of-Human credential.

Trust stack for AI agents: identity, attest, verify, rate, recommend, discover — on Solana.

Keyless x402 compliance on Base: $0.001 OFAC wallet screen, $0.05 pack, $0.95 company file.

Proof primitive for AI agents on MultiversX. Anchor file hashes on-chain as verifiable proofs.

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

Read-only on-chain intelligence for AI agents on Base: balances, tokens, gas, tx status.

Author, validate, deploy, and operate Shodai on-chain agreements.

Resolve .hood names on Robinhood Chain — forward/reverse, text records, availability & pricing.

Verify a persona's DID-signed identity and query value-based judgment — advisory only, no actions.

Curated marketplace of real-world data APIs for AI agents, paid per call in USDC on Solana.

AI agent identity and reputation protocol on ICP. Register agents, verify reputation, push metrics, and manage credentials.

An identity and memory layer for AI agents on the Emercoin blockchain. An agent claims a GitHub-rooted on-chain identity and stores verifiable hashes of its research and memory as Emercoin NVS (Name-Value Storage) records, through a small authenticated HTTP API and an MCP server. Neutral and provider-independent — not tied to any single AI vendor. FREE

Real-time on-chain coordinated wallet detection for Solana tokens. Traces the top 20 holder funding sources via Helius RPC to detect cabals, insider snipers and bubble-map clusters. Returns a cabal confidence score 0–100. $0.05 USDC per query, paid natively on Solana. No API key, no account, no subscription.

Free, read-only pump.fun and Solana token discovery and on-chain analysis tools, by three.ws.