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BlockVectra

Engineering notes on EVM JSON-RPC, indexed data and agent integration.

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Why viem event logs break JSON.stringify—and how to keep uint256 exact

Why viem event logs break JSON.stringify—and how to keep uint256 exact

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3 min read

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Build a Robinhood Chain stock-token activity dashboard with one API request

Build a Robinhood Chain stock-token activity dashboard with one API request

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2 min read
Diagnosing eth_getLogs Returning [] When the Receipt Shows the Event

Diagnosing eth_getLogs Returning [] When the Receipt Shows the Event

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2 min read
Read Robinhood Chain mainnet RPC without an API key (TypeScript)

Read Robinhood Chain mainnet RPC without an API key (TypeScript)

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2 min read
Install the native BlockVectra MCP plugin in Antigravity

Install the native BlockVectra MCP plugin in Antigravity

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2 min read
Resume ERC-20 transfer history without skipping a failed page

Resume ERC-20 transfer history without skipping a failed page

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3 min read
Check the key before the first Data API request

Check the key before the first Data API request

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4 min read
Smithery's October 2026 Change: Point BlockVectra MCP Directly

Smithery's October 2026 Change: Point BlockVectra MCP Directly

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2 min read
Why Decimal Can Round a UInt256 Token Amount, and an Exact Alternative

Why Decimal Can Round a UInt256 Token Amount, and an Exact Alternative

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2 min read
Resumable eth_getLogs scans: fixed chunks, saved checkpoints, safe restarts

Resumable eth_getLogs scans: fixed chunks, saved checkpoints, safe restarts

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5 min read
Gasless transactions: separate the signer, gas payer, and token owner

Gasless transactions: separate the signer, gas payer, and token owner

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3 min read
Block heights are not a clock: RPC polling on fast EVM chains

Block heights are not a clock: RPC polling on fast EVM chains

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2 min read
JSON-RPC batch responses: match by id, not array position

JSON-RPC batch responses: match by id, not array position

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5 min read
Wallet balance APIs: null decimals, pagination, and snapshot time

Wallet balance APIs: null decimals, pagination, and snapshot time

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3 min read
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