cyberneticlibrary

Query blockchain data directly

rpcskillsetup L2465
blockrunai/blockrun-mcp
What it does

Execute raw blockchain JSON-RPC calls across 40+ chains

Best for

Low-level blockchain reads where native library integration is overkill

Inputs
  • · Chain name
  • · RPC method (eth_call, eth_getBalance, etc)
  • · Method params
Outputs
  • · Raw RPC response (hex for balances, decoded if applicable)
Requires
  • · Tatum RPC gateway
  • · Blockchain node (40+ chains)
  • · JSON-RPC 2.0 parser
Preconditions

Chain recognized by Tatum, RPC method valid for chain, params correctly formatted

Failure modes

Invalid RPC method, params type mismatch, chain unreachable, account not found

Trust signals
  • · 40+ chain coverage
  • · No node required
  • · Per-call pricing ($0.002)
  • · Tatum-backed