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Blockrun MCP
Live data for AI agents — search, research, markets, crypto, X/Twitter. Pay-per-call via x402 micropayments.
Install
$
claude mcp add blockrun -s user -- npx -y @blockrun/mcp@latestInstall command taken from the project's README or registry entry. Always review code before running it.
README excerpt
Read full README on GitHub →BlockRun MCP
Real-time data — and real trades — for Claude and any AI agent.
Agents can pay like agents: sign transactions from a wallet. Teams can pay like teams: get a BlockRun API key at user.blockrun.ai, add credit by card or wire, and let the MCP call api.blockrun.ai. BlockRun MCP gives your agent 19 tools — markets, research, web search, images, video, on-chain data, and live Polymarket trading — paid per call. Two ways to pay, same tools: a self-custody wallet (USDC on Solana or Base, no account needed) — or a BlockRun API key backed by account credit. Sign up at user.blockrun.ai → Read the odds and place the bet, from one self-custody wallet.
claude mcp add blockrun -s user -- npx -y @blockrun/mcp@latest
Wallet auto-created on first run. Fund with $5 USDC — or get a key at user.blockrun.ai, top up by card, and call through api.blockrun.ai. Ask Claude anything.
Every MCP server costs you this. Almost none of them tell you. How we measure it, and how to measure anyone else →
BlockRun MCP is an open-source Model Context Protocol server that gives Claude — and any MCP-compatible agent — 19 tools for real-time data and real actions: 88 LLMs, image & video generation, prediction-market data, live web/X search, on-chain queries across 40 chains, and the ability to place real, USDC-settled bets on Polymarket.
You pay per call, and you choose how. Wallet mode authenticates with a signature and settles each call in USDC via the x402 protocol — no account, no credit card, no subscription, on Solana or Base. Account mode authenticates with a BlockRun API key (brk_live_…) from user.blockrun.ai, routes service calls through api.blockrun.ai, and draws down card- or wire-funded account credit at exact usage. Same 19 tools either way. MIT licensed.
🏆 First of its kind — the signal → trade loop in Claude Code
Read live Polymarket odds and place the bet, from one self-custody wallet, pay-per-call. Jump to Polymarket trading →
Why BlockRun MCP exists
Every other data integration was built for human developers — create an account, copy an API key into .env, add a credit card, repeat for every vendor.
BlockRun gives you both payment rails without rebuilding the integration. Use a wallet when the agent should self-custody funds, or use an account key when a team wants card-funded credits and a dashboard.
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