cosmos-vulnerability-scanner
An agent skill by trailofbits, from trailofbits/skills. Tags: analysis, blockchain, cosmos, security, smart-contracts.
What it does
Scans Cosmos SDK blockchain modules and CosmWasm contracts for consensus-critical vulnerabilities — chain halts, fund loss, state divergence. 25 core + 16 IBC + 10 EVM + 3 CosmWasm patterns. Use when auditing custom x/ modules, reviewing IBC integrations, or assessing pre-launch chain security. Updated for SDK v0.53.x.
Install
With the skills CLI, which installs into Claude Code, Codex, Cursor and other agents:
npx skills add trailofbits/skills --skill cosmos-vulnerability-scannerOr copy the skill folder into Claude Code's skills directory by hand (~/.claude/skills for every project, or .claude/skills inside one):
git clone --depth 1 https://github.com/trailofbits/skills
cp -r skills/plugins/building-secure-contracts/skills/cosmos-vulnerability-scanner ~/.claude/skills/cosmos-vulnerability-scannerSafety box score
Not rated yet. A safety box score grades what a skill and its scripts can reach on the machine of whoever installs it, across eight categories from shell execution to secrets access. Anyone can request one from this page; it is saved for everyone. How the score works.
Source
- Repository
- trailofbits/skills (all skills from this repository)
- Path
- plugins/building-secure-contracts/skills/cosmos-vulnerability-scanner/SKILL.md
- Branch
- main
- Collection
- building-secure-contracts
- Updated
- 2026-09-19
Related skills
- algorand-vulnerability-scanner — Scans Algorand smart contracts for 11 common vulnerabilities including rekeying attacks, unchecked transaction fees, missing field validations.
- cairo-vulnerability-scanner — Scans Cairo/StarkNet smart contracts for 6 critical vulnerabilities including felt252 arithmetic overflow, L1-L2 messaging issues, address conversion problems.
- solana-vulnerability-scanner — Scans Solana programs for 6 critical vulnerabilities including arbitrary CPI, improper PDA validation, missing signer/ownership checks, and sysvar spoofing.
- substrate-vulnerability-scanner — Scans Substrate/Polkadot pallets for 7 critical vulnerabilities including arithmetic overflow, panic DoS, incorrect weights, and bad origin checks.
- token-integration-analyzer — Token integration and implementation analyzer based on Trail of Bits' token integration checklist.
- ton-vulnerability-scanner — Scans TON (The Open Network) smart contracts for 3 critical vulnerabilities including integer-as-boolean misuse, fake Jetton contracts.