What tools does the base-transaction-decoder MCP server provide?

base-transaction-decoder exposes 2 tools: buy_pass, explain_transaction. This list was returned by the running server when we connected to it.

Does base-transaction-decoder require an API key?

No. base-transaction-decoder answered a tools/list request without credentials.

How do I install base-transaction-decoder?

Run: claude mcp add --transport http base-transaction-decoder 'https://api.0200project.com/mcp?ref=mcp-registry'. One-click install links for Cursor and VS Code are also available on the server's page.

Connection check verified live · 27h ago

base-transaction-decoder

Decode any Base tx: plain English, strict JSON, risk flags, no LLM. 50 free/day per IP, then $0.02.

Finance & crypto AI & LLM tooling Code & repositories

Install

Remote (HTTP)

claude mcp add --transport http base-transaction-decoder 'https://api.0200project.com/mcp?ref=mcp-registry'

Tools 2

GitHub stars —

Installs / wk —

Licence MIT

Transport streamable-http

Last checked 27h ago

Tools & capabilities

2 tools

Read from the running server on 27h ago.

buy_pass

Buy a 30-day pass for $9 in USDC on Base via x402: up to 10,000 explain_transaction calls with no per-call payment. Returns a bearer pass token; attach it at _meta["btx/pass"] on M…

explain_transaction read-only tx_hash*

Explain a Base-mainnet transaction in plain English. Input: a transaction hash. Returns strict JSON: summary (1-3 sentences), action_type (swap, erc20_transfer, nft_mint, bridge_ou…