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Add base-sql skill: Coinbase CDP SQL API for Base onchain data#347

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mykclawd wants to merge 2 commits intoBankrBot:mainfrom
mykclawd:add-base-sql-skill
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Add base-sql skill: Coinbase CDP SQL API for Base onchain data#347
mykclawd wants to merge 2 commits intoBankrBot:mainfrom
mykclawd:add-base-sql-skill

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@mykclawd mykclawd commented May 3, 2026

Adds a skill for querying real-time and historical onchain data on Base via the Coinbase CDP SQL API.

What it does

  • Run any custom SQL query against Base blockchain data
  • Token transfer history for any wallet
  • Check if a wallet has ever held a specific token
  • Unique buyer counts for tokens
  • Verify transaction fills on-chain
  • 1,000 free queries/month, <500ms latency, <250ms from chain tip

Files

  • SKILL.md — skill description and common query patterns
  • scripts/query.py — zero-dependency CLI runner (stdlib only, no installs required)
  • references/schema.md — full table/column reference with ready-to-use query patterns

Auth

Reads key from CDP_CLIENT_KEY env var, --key flag, or ~/.cdp/client-key.txt. Free key at https://portal.cdp.coinbase.com/projects/api-keys/client-key

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