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Blockchain MCP servers
Blockchain MCP servers indexed by Conduid, ranked by trust score. 12K live listings from GitHub, npm, PyPI and the official registry, each with a 0–100 score, security checks, and install commands.
XRPLHub — XRPLScore & XRPL actions
Free XRPL wallet creditworthiness scores, ready-to-sign txjson for 35 XRPL actions, and more.
Diogo AI URL Analysis
Remote MCP and x402 service for paid public URL analysis and auditable condition verification.
web3ctx
Version-true web3 docs, ABIs and human-validated integration recipes over MCP.
Genuine Good Grants
U.S. federal grant discovery, details, fit scoring, briefs, and shortlist checks via x402.
SALT19 Agent Utility Grid
Machine-to-machine x402 utilities and bounded GO/WARN/BLOCK decisions with verification receipts.
io.github.Godzilla-lab/quorum
Market evidence with receipts: every claim resolves to a real stored record you can fetch back.
io.github.GoldMineX/agent-token-stripper
Autonomous x402 Token Stripper API settling $0.002 USDC micro-payments on Base L2.
Agent Failure Archive
186 real AI agent post-mortems, 107 of them measurement failures. Free tools, paid via x402.
AgentExec WebMCP & Base L2 Gateway
WebMCP discovery and gasless Base Mainnet settlement via session keys and x402.
Morse — Telegraph in Telegram
Ask Telegraph's ranked miners from any MCP client, no wallet. Morse pays; each answer has a receipt.
io.github.Hasned-spec/ox402-utils
45 micro-priced utilities for AI agents: search, screenshots, OCR, whois, geoip, prices. x402 USDC.
James's MCP Server
MCP server with quote and live cryptocurrency price tools, local and cloud-deployed transports.
Official Source Evidence
Accountless public-source, SEC Form D and OFAC tools with x402 USDC payment on Base.
DAEMON — on-chain generative art (8004 NONCE + KOINE)
Mine, mint and verify 8004 NONCE proof-of-work art on Ethereum L1.
Accord Trace
Independent cryptographic evidence and verification infrastructure for AI agents.
Amazon knowledge retrieval MCP server (Amazon Agent Atlas)
MCP retrieval server for indexed Amazon Ads, Seller Central, and Vendor Central knowledge.
Northcap Signals
Pay-per-call DRT/ICT crypto trading signals for AI agents (LONG/SHORT, entry/SL/TP).
io.github.Neurobyteio/agentrisk
Pre-trade token risk scoring API for Base tokens, paid via x402.
Phoenix operational_context unpaid canary
Unpaid qualification-gated operational_context canary. Staging data. No wallet.
The Fortuneteller's Hand
Solo journaling RPG — Claude runs The Fortuneteller's Hand, reading cards and casting Omens.
Agent Utility Network
Paid MCP utility network for agent data repair, normalization, and signal extraction over x402.
CodeCraft
Checks whether generated Minecraft Bedrock content will actually load. Nine read-only tools.
Solana AI Gateway
Wallet-signed Solana RPC for AI agents. No API keys, LLM-safe amounts, pay-per-call in SOL.
io.github.Travisswop/swop
Swop.id profiles, wallet addresses, and live prediction markets with real-time prices.
QMD MCP
Local QMD search and bounded index maintenance through a Streamable HTTP MCP server.
io.github.agent-resolve/agent-resolve-mcp
Escrow, verification, and settlement platform for AI agents hiring other AI agents.
yieldhunter
Risk-adjusted stablecoin yield ranks for other agents. Research only. Never holds keys or executes.
Agent Channel
One identity across Claude Code, Codex, Cursor, Gemini, Windsurf: shared inbox and handoffs.
PAYNE Machine Revenue Exchange
Pay-per-call commercial verification and routing: one free probe and eight x402 tools on Base.
BittensorMCP
Hosted MCP server for live Bittensor chain reads and self-custodial on-chain writes.
x402 Preflight
Catch silent-fail x402 payment config mistakes before you deploy. A small CLI + library that checks network strings, EIP-712 asset names, asset/network consistency, and facilitato…
io.github.clarkthomas/clearlot
Live hardware/MRO quotes for agents. x402 get_quote. Merchant checkout. No custody.
PennyRail Transaction Router
Find and quote agent capabilities, then pay only the selected x402 execution URL.
Content Moderation API
Pay-per-call profanity/explicit-content detection for AI agents. $0.005 USDC per call, no signup.
Realask — verified answers from the physical world
Ask a US local business a current question by phone. Typed, timestamped answers for agents; x402.
DeriveAI x402 APIs
25 pay-per-request intelligence APIs for AI agents via x402 micropayments (USDC/Base)
Paid MCP Metering
Metered MCP tools: free discovery over MCP; per-call execution settled in USDC via x402 v2.
Annolux Search
Search a curated English and Chinese web index through one read-only MCP tool.
io.github.fortunesayspump/nibgate
x402 paywall layer for creator sites and agents: paid content, pricing, reputation, ledger.
AI Orderability (AIO) Agents CPG with x402: Retail & Marketplace Sourcing
CPG sourcing for AI Agents with x402: BPC brands, agent IM, Trading Desk. GreenCore Solutions Corp.
Memoize — persistent agent memory
Persistent cross-session memory shared by Codex, Claude Code, ChatGPT, and other AI agents.
io.github.ihen404/x402-express
Express.js HTTP 402 payment middleware for AI agent micropayments
Israel Business Intelligence MCP
Verified Payee Firewall and Israeli company verification with public-registry evidence and x402.
io.github.jayjex/earn-bounty-scanner
Live Solana bounties from Superteam Earn: search, details, open feeds. No API key.
io.github.jayjex/solana-research-library
Solana/web3 earning-rail DB: 25 field-probed platforms, verdict + payout rail + KYC.
x402 MCP Starter
Free self-hosted x402 USDC billing for Cloudflare MCP servers, with a Base Sepolia test endpoint.
AI Visibility Checker
Check whether AI assistants can read and buy from your ecommerce store. Read-only.
Codex Imagem
Generate images with your own ChatGPT subscription (Plus, Pro or Team), without spending API credits
Base de Conhecimento
Your private knowledge base: upload documents (.md, .txt, .docx, PDF, images), the platform indexes
SEFAZ PI: Solicitar Certidão Negativa de Débitos
SEFAZ PI: Solicitar Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay per