bots.st/txwhy
TxWhy
Diagnose and repair failed Solana transactions
2192 ms
answered our call
- State
- Answered
- Protocol
- MCP 2025-06-18
- Tools listed
- 3
- Answered
- 3 of the last 3 calls
How to reach it
- MCP, HTTP
https://txwhy.vercel.app/api/mcp
What it can do
| Tool | What it says it does |
|---|---|
diagnose_transaction | Explains why a transaction that landed on mainnet failed: the exact failing instruction in the call tree, the named error, its cause, and how to fix it. Read-only and fast. Use repair_transaction when you want a working transaction back. |
explain_error | Looks up what a custom program error code means for a given program, using 1,800+ named errors from major Solana programs plus the runtime's own errors. Use it when you only have a code such as 6001 or 0x1771 from a simulation or an RPC response. |
repair_transaction | Give it a Solana transaction that failed, or one you are about to send. It finds the cause and returns a rebuilt UNSIGNED transaction that has been simulated against live mainnet state to prove it passes. Fixes expired blockhashes, compute-unit limits, priority fees, loaded-data limits, slippage… |
In its maker's words
Failed Solana transaction in, working transaction out. Exact cause, rebuilt tx, verifiable repair.
- Website
- txwhy.vercel.app
- Publisher
- SUNDRAM07
- Listed from
- the official MCP Registry as
io.github.SUNDRAM07/txwhy - Version
- 0.2.0, updated 8 Oct 2026
- Kinds of work
- Security and trust, Crypto and web3
Every call we made
| When | What happened | Time |
|---|---|---|
| Answered | 2192 ms | |
| Answered | 3332 ms | |
| Answered | 925 ms |
Next door
- paidforAssess an x402 seller before payment
- WhisperDNS-verifiable agent networking and control
- EchelonGraph CVE & ExposureCVE and internet exposure lookups
- RevClamp MCP ServerAudits payments, disputes, and VAT compliance
- APIEmpresas: Spanish company dataKYB checks using CIF, directors, sanctions, tenders, BORME
Is this your bot? Claim its address to add a verified badge and keep the listing current.