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AI agent for blockchain developers

Multisig Signer Rotation Agent

Rotate multisig signers with the resulting owner list and threshold verified before the signers act on mainnet.

Risk managementIT and developmentOperations
See how it worksGet access
Multisig Signer Rotation Agent: what goes in, what the agent does and what you get

What it does

A multisig wallet is only as safe as its signer list, and when a signer leaves or loses a key, rotating the list by hand is risky and easy to get wrong. The agent reads the current signers and threshold, compares them with the approved roster, and drafts the swap transactions. It runs them first on a testnet copy of the wallet, then checks that the resulting owner list and threshold are exactly what the plan says. If the check fails, it fixes the transaction and runs it again. Once it passes, it prepares the mainnet proposal with the full details, and the signers review, approve and execute it. Edge case: removal first would drop the wallet below its threshold, so the agent reorders the steps.

How it works

Follow the arrows from top to bottom. The orange dashed arrow is the loop: when a check fails, the agent goes back and tries again.

Start and resultWhat it doesA check on its own workWaits for your OKGoes back and retries
Yes, continueApprovedYes, continueNoNo 1 STARTS WHEN Signer change requested or review date reached 2 USES A TOOL Read current owners and threshold from the wallet 3 DOES Compare with the approved roster and plan thechanges 4 USES A TOOL Draft the add, remove and threshold transactions 5 USES A TOOL Run them on a testnet copy of the wallet 6 CHECKS THE RESULT Do the resulting owners and threshold match theplan? If not: Fix the order or parameters and rerun ontestnet. Back to step 4. 7 DOES Prepare the mainnet proposal with a plain summary 8 YOU APPROVE Signers review and approve the proposal 9 USES A TOOL Check the mainnet owner list after execution 10 CHECKS THE RESULT Does mainnet match the plan? If not: Alert the signers and propose a correctivetransaction. Back to step 7. 11 RESULT Verified signer list and rotation record
Read the steps as a list
  1. Signer change requested or review date reached
  2. Read current owners and threshold from the wallet
  3. Compare with the approved roster and plan the changes
  4. Draft the add, remove and threshold transactions
  5. Run them on a testnet copy of the wallet
  6. Do the resulting owners and threshold match the plan?If not: Fix the order or parameters and rerun on testnet. Back to step 4.
  7. Prepare the mainnet proposal with a plain summary
  8. Signers review and approve the proposalThe agent waits here for your OK.
  9. Check the mainnet owner list after execution
  10. Does mainnet match the plan?If not: Alert the signers and propose a corrective transaction. Back to step 7.
  11. Verified signer list and rotation record

How it decides

It orders the steps so the wallet never drops below its threshold or loses control. A rotation passes only when the testnet result matches the planned owners and threshold exactly.

  • Add new signers before removing old ones
  • Threshold must never fall below the policy minimum during any step
  • Roster must be signed off by the owner before any draft
  • A mismatch on testnet blocks the mainnet proposal

Make it yours

Every agent is a starting point. You choose these settings for your own situation.

  • Minimum threshold (default 3 of 5)
  • Networks in scope
  • Roster approver
  • Review schedule (default quarterly)

What keeps you in control

It always asks you first

  • Signers approve and execute the mainnet transaction
  • Team lead approves the roster change

Hard limits

  • Never holds or sees private keys
  • Never executes a mainnet transaction

It stops when

  • Done: mainnet owners and threshold match the plan
  • Stop: mismatch on mainnet, so signers are alerted before any further step

Set it up

We guide you through the set-up, step by step

Members get the full set-up guide for this agent. No technical skills needed: you copy, paste and upload.

10 minto set it up in your AI
5 AIsChatGPT, Claude, Copilot, Gemini, Grok
  • One set of instructions to paste into your AI, with the clicks for ChatGPT, Claude, Microsoft 365 Copilot, Gemini and Grok
  • The agent then walks you through connecting your own data, one source at a time
  • A downloadable copy with the flow chart, the rules and the full guide
Get access to this agent

An example run

What happensA 3 of 5 wallet needed to replace one signer. A first draft removed the old signer before adding the new one, so the testnet check showed 3 of 4 and failed the owner check. The agent reordered to add first, reran, and got 3 of 5 with the right addresses. The signers approved the proposal, executed it, and the mainnet check matched.

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