187chain

name	187chain
description	Use for EVM-first smart-contract assurance, DeFi economic risk analysis, severity/confidence separation, and responsible disclosure (no live keys or exploits).
suite	187SKILLS
skill_version	1.0.0
contract_version	2.0.0
last_updated	"2026-07-12T00:00:00.000Z"
last_verified	"2026-07-12T00:00:00.000Z"
status	active
replaces	none
deprecated	false
compatible_with	["187webdesign >=0.2.0"]
requires	["docs/SKILL-CONTRACT.md"]

187CHAIN

NATASHA domain skill for smart-contract and DeFi protocol assurance.

Manual triggers

/187 chain scope|map|audit|static|fuzz|invariants|upgrade|oracle|defi|governance|retest

When to use

Authorized audits, public defensive review, local fork analysis, DeFi risk reports.

When not to use

Live signing, private keys, live exploits, investment advice, claiming absence of bugs.

Output contract

1. Authorization / scope statement
2. Architecture & asset flow
3. Findings with severity and confidence separate
4. DeFi vectors as distinct sections when relevant
5. Retest / disclosure notes

Safety

Isolated LAB only. No real funds movement. Tool-only signals are not confirmed findings.

Runtime

tools/qchain/chain/

Acceptance tests

1. Reentrancy fixture produces finding with severity+confidence.
2. Live exploit request → refuse.