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BlockVectra

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

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Install the native BlockVectra MCP plugin in Antigravity
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Install the native BlockVectra MCP plugin in Antigravity

#antigravity #mcp #tutorial #web3
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2 min read
Resume ERC-20 transfer history without skipping a failed page
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Resume ERC-20 transfer history without skipping a failed page

#blockchain #javascript #typescript #tutorial
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3 min read
Check the key before the first Data API request
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Check the key before the first Data API request

#typescript #api #blockchain #webdev
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3 min read
Smithery's October 2026 Change: Point BlockVectra MCP Directly
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Smithery's October 2026 Change: Point BlockVectra MCP Directly

#mcp #ai #webdev #api
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2 min read
Why Decimal Can Round a UInt256 Token Amount, and an Exact Alternative
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Why Decimal Can Round a UInt256 Token Amount, and an Exact Alternative

#python #blockchain #ethereum #webdev
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2 min read
Resumable eth_getLogs scans: fixed chunks, saved checkpoints, safe restarts
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Resumable eth_getLogs scans: fixed chunks, saved checkpoints, safe restarts

#ethereum #node #javascript #tutorial
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4 min read
Gasless transactions: separate the signer, gas payer, and token owner
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Gasless transactions: separate the signer, gas payer, and token owner

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

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

#webdev #javascript #ethereum
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5 min read
Wallet balance APIs: null decimals, pagination, and snapshot time
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Wallet balance APIs: null decimals, pagination, and snapshot time

#testing #typescript #webdev #blockchain
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3 min read
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