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Add grey-ridge-x402 skill — Base-native x402 data (RPC + USD + crypto + Polymarket)#573

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Add grey-ridge-x402 skill — Base-native x402 data (RPC + USD + crypto + Polymarket)#573
rezearcher wants to merge 4 commits into
BankrBot:mainfrom
rezearcher:main

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Adds the grey-ridge-x402 skill — Base-native x402 data for agents.

Provider: Grey Ridge Signals — https://x402-data-api.sigrunner.workers.dev

Complements the existing Zerion / Alchemy x402 data skills with a Base-first, USD-enriched angle (most x402 data sellers are Ethereum-only):

  • Base RPC ($0.001/call): block, gas (EIP-1559 + gas_price_usd), ETH/ERC-20 balances (+ balance_usd), tx, receipt (+ L1-fee breakdown + l1_fee_usd), wallet bundle, EIP-7702 detection.
  • Crypto signals: prices + 24h change, cross-venue funding-rate arbitrage (HL/OKX/dYdX), DeFi yields (risk-adjusted).
  • Prediction markets: live Polymarket (bestBid/ask/spread, tags).
  • Security: on-demand MCP-server audit (tool-poisoning / prompt-injection).

Access: x402 pay-per-call on Base ($0.001–$0.10 USDC, no API key), free preview routes on the hot reads, and a 20-tool MCP server (streamable-http). Published on the official MCP Registry (io.github.rezearcher/tech-risk).

Files: grey-ridge-x402/SKILL.md, grey-ridge-x402/catalog.json, and a provider-table row in README.md. Follows the zerion/alchemy skill format.

Try it free (no wallet):

curl -s https://x402-data-api.sigrunner.workers.dev/chain/gas-price/preview

🤖 Generated with Claude Code

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