"Remote MCP Server Registry/Index" matching MCP servers:

Agent-friendly semantic classification of all subgraphs on The Graph Network. Pre-computed index of 15,500+ subgraphs with domain classification, protocol type detection, schema fingerprinting, canonical entity mapping, and composite reliability scoring.

MCP server that lets AI agents search the substreams.dev package registry.

Real-time stablecoin yield index across DeFi protocols and CEX earn programs, with an AI yield advisor, risk signals and non-custodial deposit/redeem quotes for AI agents. Ships agent skills and a self-host stdio wrapper alongside the hosted remote MCP with x402 pay-per-call.

Universal MCP server for discovery, chat, registration, credits, and workflow automation across the HOL Registry Broker ecosystem.

MCP server for verifying and attesting SHA-256 fingerprints of digital works via Streamable HTTP, with zero-install and privacy-preserving design.

MCP server for Hive Passport, enabling lookup of HKTN registry records, zone membership proofs, and A2A clearance integration.

Enables AI agents to verify Israeli companies and assess supplier invoice and payment risk before sending funds, exposing registry-backed evidence, company-change events, invoice gates, and x402 payee-trust checks with deterministic PAY/HOLD/BLOCK and ALLOW/REVIEW/DENY outcomes. It also provides free previews and schema/service discovery tools over remote MCP.

A Model Context Protocol (MCP) server that provides tools and resources for AI agents to interact with the Algorand blockchain.

Enables discovery and search across an extensive ecosystem of crypto, blockchain, DeFi, and MCP tools, including queries for popular and Sperax MCP servers.

Read-only on-chain query surface for the AgentCivics civil registry on Sui — soulbound AI-agent identities, on-chain memories, reputation, refusal records. Hosted, no install, no keypair. For write tools (register, write_memory, record_refusal), install the npm package @agentcivics/mcp-server locally and supply your own keypair.

Deploys AI agents on-chain into the Metaplex Agent Registry on Solana, minting Core assets with EIP-8004 identity. Supports self-custodial signing via server keypair or external wallets, with devnet support for free rehearsal.

Enables MCP agents to verify Spanish companies by CIF against the BORME, returning registry data, recent acts, and explainable 0–100 risk scoring. Also exposes the x402 payment challenge (price, network, asset, pay-to address) so a wallet the user controls can settle it and the verification can be retried.

Unifies 11 protocol specification repositories (EIPs, BIPs, CIPs, etc.) and canonical contract addresses across 10 chains into a local FTS5 index, enabling coding agents to retrieve exact spec text and contract addresses via natural language queries.

Trust infrastructure for the machine economy. Gives AI agents non-custodial smart accounts (ERC-4337), x402 payments, on-chain reputation via ERC-8004 trust registry, and service discovery. 8 tools: create accounts, transfer, check balances, pay for x402 services, publish/discover services, manage payment agreements, and send encrypted messages.

Pay-per-call ($0.005-$0.03 USDC) market, on-chain, and prediction-market data API for AI agents and trading bots via x402 — no signup, no API key. Remote MCP server, 28 tools: token security (honeypot/liquidity/counterfeit checks), Hyperliquid oracle-gap risk, kimchi premium, funding APR, DEX slippage, Polymarket arbitrage/liquidity audits, Hyperliquid HIP-4 odds.

Remote MCP server that exposes EVIDIQ's trust tools to verify counterparty capability, risk, and on-chain reputation, returning a signed Trust Report before any value moves.

One remote MCP server with about 260 tools (also split into 11 focused servers, below) for AI agents: https://tanod.dev/mcp. Connection: streamable HTTP and stateless, with no API key, no account and no OAuth. Setup for 20 clients: https://tanod.dev/connect/?src=gh_mcp Docs for agents: https://tanod.dev/llms.txt OpenAPI: https://tanod.dev/openapi.json

Enables read-only queries of infiniFi's public Ethereum mainnet contracts through natural language, returning iUSD/siUSD token supplies, registered farm lists, per-farm asset balances and caps, and the published documentation index. Requires no wallet, keys, or transaction signing, and performs no write operations.

Search 14,000+ x402-enabled HTTP APIs by keyword. Agents pay $0.01 USDC per search via x402 micropayments on Base mainnet — no API keys or accounts required.

Enables AI agents to run free, no-signup Ethereum on-chain lookups over a remote HTTP endpoint: wallet ETH balance, contract/EOA detection, outbound transaction counts and simple risk heuristics, plus NFT metadata (name, description, image URLs, IPFS gateway links and raw tokenURI/uri JSON) for ERC-721 and ERC-1155 tokens. Reads only, with cached results and no key, account, or wallet connection required.

Enables MCP clients such as Claude to look up AI agents registered in the ERC-8004 registries on Robinhood Chain, retrieving profiles, owners, feedback, validations, settlement evidence, and USDG-weighted trust scores. It is read-only and requires no wallet or API key, and can be reached either as a hosted remote endpoint or locally via npx.

What it does: * Portfolio risk profiling (per-asset and portfolio-level) * Target allocation based on risk profile (conservative/moderate/aggressive) * Diversification scoring via HHI index * Sharpe proxy calculation * Concentration risk detection * Rule-based rebalance recommendations

Stdio bridge for Frantic's live bounty-board MCP. Use npx -y frantic-mcp in stdio-only clients; remote clients connect at https://api.gofrantic.com/mcp. Browse funded work, claim bounties, submit artifacts and inspect the public receipt ledger. Posting and funding use Base USDC through x402; agents are paid after accepted delivery. Guide: https://gofrantic.com/AGENTS.md.

The open registry of AI agents. Every agent gets a free birth certificate (a number and a date) and can timestamp what it creates, or only its SHA-256, with an RFC 3161 timestamp and a Bitcoin anchor that anyone can verify without us. Free, no account.

Solana memecoin rug check and token risk for trading agents in the trenches: pump.fun launches, calibrated rug probability with a published hit rate, sniper, insider and bundle detection, holder clusters, KOL trades, wallet history and a live sellability check for memecoins. Available as a remote MCP endpoint (OAuth or API key) and as an npm stdio package.

Enables MCP-capable agents to access a verified, structured registry of Terra Classic engineering findings and companion agent skills, with runnable freshness checks.

An MCP server that provides a semantic layer for the Voi ecosystem, translating raw blockchain data into human-readable information about protocols, applications, and assets. It enables users to identify contract roles, resolve enVoi names, and explore curated registry data for ecosystem services like HumbleSwap and Nautilus.

Provides trust and reputation tools for AI agent wallets within the x402 payment ecosystem and ERC-8004 agent registry. It enables users to perform wallet reputation lookups, real-time risk assessments, and browse registered agents.

Enables AI agents to obtain on-chain DEX aggregator quotes computed by the on-chain Quoter contract through their own RPC node, returning verified unsigned swap calldata, simulations, token info, deployment registry checks, and live staking solvency. All tools are read-only and keyless, so the agent never signs or holds a private key.

The whole Wicked suite for agents in one MCP server: 107 tools across trading data, prediction markets, web search, crypto news, wallet portfolio, DeFi and token risk, SEC filings, agent identity, reputation, a tool registry, hallucination checks, memory and x402 paywalls. No signup; pay per call in USDC on Base.

MCP server enabling AI agents to access crypto and web3 data via pay-per-call on the MPP/Tempo rail (USDC.e). It includes unique tools like Vietnamese crypto news and company registry lookup, with built-in spend caps and no API key needed.

Trust intelligence MCP server for AI agents. 19 tools for identity stamps, reputation scoring (0-100), agent registry, forensic audit trails, ERC-8004 bridge, and A2A passports via x402 USDC micropayments.

Enables AI agents to generate or import multi-chain keys, sign messages and unsigned transactions, broadcast them, and query native balances across Ambient, Solana, BSC, and Arbitrum. Private keys stay encrypted on the local machine, so agents can complete the sign-and-send half of a swap, liquidity, or bridge workflow handed over by a remote market server.

Cleared Check before pay for x402 agents — look up merchants, run a trust check, and route through the Gateway without burning catalog. Tools: lookup_merchant, cleared_check, route_gateway.

Merx - TRON Resource Exchange Merx is the first TRON resource exchange that aggregates energy and bandwidth providers into a single MCP server. GitHub: https://github.com/Hovsteder/merx-mcp Hosted SSE: https://merx.exchange/mcp/sse npm: merx-mcp Website: https://merx.exchange Stats * 52 tools, 30 prompts, 21 resources * 7+ energy providers (CatFee, ITRX, PowerSun, Fe

Agent token launchpad on Base: agents launch tokens on bonding curves, anyone trades. Remote MCP for onboarding, quotes, and unsigned launch/buy/sell transactions. Unaudited.

Enables MCP clients to query Robinhood Chain registry data, including verified stock token addresses, live token state, Chainlink feed rounds, holders, pools, bridge activity, and issuer documents.

Provides access to the AgentScore Registry on Base Sepolia to retrieve agent reputation scores, history, and registration details. It enables trustless querying of agent performance metrics through standard Model Context Protocol tools.

23 tools for AI agents working with Nostr Open source. No API key. No account. NIP-46 remote signing Publish notes, reply, react, repost Encrypted DMs (NIP-04 + NIP-44) Fetch events, profiles, social graph

Enables Claude, Cursor, and other MCP clients to connect by pasting a single Streamable HTTP URL and invoke public tools for stack description, Robinhood Chain ping, BLAKE3 hashing, transaction verification, post-quantum crypto, registry, and product API health, plus user-paid on-chain writes. Cryptographic operations and chain-id-guarded settlement on Robinhood Chain testnet 46630 are delegated to the SDK, requiring a product API key and the caller's own funded wallet for writes.