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100
MCP live MCP 2025-11-25 streamable-http

FabTally Decode

io.github.zvmzaretsky/onchain-decode

Decode EVM bytes to JSON: event-log decoder, calldata explainer, selector lookup, ABI fetch.

Uptime
100.0%
1 direct probes · 30d
Response
100ms
last probe
Tools
4
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://decode.fabtally.com/mcp

Tools · 4

decode_log

PAID $0.003 (x402, USDC on Base). FLAGSHIP: decode EVM event LOGS to human-readable JSON. Give {chain, tx_hash} to decode every log in a transaction, OR {chain, address, topics[], data} for a single l…

decode_calldata

PAID $0.002 (x402, USDC on Base). Decode a contract function call. Give {chain, to?, data, abi?}; get the 4-byte selector resolved to a function signature (via provided ABI, the verified contract sour…

selector_lookup

PAID $0.001 (x402, USDC on Base). Resolve a 4-byte function selector (0x + 8 hex) OR a 32-byte event topic hash (0x + 64 hex) to its human-readable signature(s) via 4byte.directory + openchain.xyz. Re…

abi_fetch

PAID $0.002 (x402, USDC on Base). Fetch the verified ABI + metadata for a contract. Give {address, chain}; get the ABI JSON, verification status/source (Sourcify or Blockscout), the callable function/…

How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "fabtally_decode": {
      "url": "https://decode.fabtally.com/mcp",
      "transport": "streamable-http"
    }
  }
}