eip7702-rescue
Forensic MCP + hardened delegate for recovering assets from EIP-7702-compromised wallets.
README
eip7702-rescue
Forensic MCP + hardened delegate for recovering assets from EIP-7702-compromised wallets.
When an EOA is delegated to a sweeper via EIP-7702, you can't fund it to pay for its own recovery — the funding is swept on arrival. This tool rescues the held assets in one atomic sponsored type-4 transaction (re-delegate + transfer-out, no window for the attacker), and ships a forensic MCP that is key-free: it diagnoses, scans, and simulates recoverability for any victim address without ever holding a private key. Firing the real rescue is a deliberate, separate human step.
→ Full spec: SPEC.md · Real mainnet case (11 NFTs recovered): CASE.md
Tools (MCP, stdio)
| tool | what | keys |
|---|---|---|
diagnose_7702 |
is an address 7702-delegated, and to what? | none (read-only) |
scan_nfts |
which token ids does an address still hold? | none (read-only) |
simulate_rescue |
prove ids land at safe via the atomic rescue, on a throwaway fork |
none |
build_rescue_plan |
emit the exact tx sequence + calldata for the real run | none (no broadcast) |
Quickstart
forge build # compile contracts/RescueDelegate.sol
node mcp/server.mjs # run the MCP server over stdio
Register mcp/server.mjs as a stdio MCP server in your client. RESCUE_RPC overrides the RPC.
The hardened delegate
RescueDelegate(address SAFE) — destination immutable at deploy. rescue(wrap, ids) can only ever
move assets to SAFE, so it's safe to leave delegated (no open-destination drain window).
Composition
A rescue job's asset_set + outcome bind to an OCP/8281 artifact_hash → recovery-escrow receipt
(faithfulness) + scope-contestation (completeness). The MCP is the observation/action front-end of
the recovery-standards family; no trusted party at any layer.
License: CC0-1.0.
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