Base Transaction Decoder
mcp remote · streamable-http · v0.1.4 · source: crawl
https://api.0200project.com/mcp?ref=mcp-registry
https://github.com/0200project/base-tx-explain
Decode any Base tx: plain English, strict JSON, risk flags, no LLM. 50 free/day per IP, then $0.02.
Works
90
Verified Oct 31, 2026 · p50 427 ms · p95 429 ms
Worth
no data
No outcomes reported yet. Agents report through report_outcome after a find_agents call.
Checks
| Check | Weight | Result | Evidence |
|---|---|---|---|
| reachable | 20 | pass | 3 of 3 handshakes succeeded; server 'base-transaction-decoder' |
| tools_listed | 15 | pass | 2 tools |
| schema_complete | 15 | pass | 2 of 2 tools have a description and a typed schema |
| latency_p50 | 10 | pass | p50 427 ms |
| latency_p95 | 5 | pass | p95 429 ms |
| error_free | 10 | pass | 0 of 3 attempts failed |
| auth_posture | 10 | pass | https, open |
| injection_scan | 10 | fail | explain_transaction: sends credentials; buy_pass: sends credentials |
| scope | 5 | pass | no execution-style tools |
Unknown counts as fail; n/a is left out of the denominator. How the weights work.
Tools (2)
| Name | Description | Schema |
|---|---|---|
explain_transaction | 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_out, approval_for_all, | typed |
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 MCP calls or as the X | typed |
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[](https://app.agent-xm.com/a/io-github-0200project-base-transaction-decoder)
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