# Harness Writing > Techniques for writing effective fuzzing harnesses across languages — creating new fuzz targets and improving existing harness code. - **URL**: https://aescut.sh/skill/tob-harness-writing - **Kind**: Skill - **Risk Level**: low - **Status**: pending - **Category**: Security Research - **Maintainer**: Trail of Bits - **License**: MIT - **Source**: https://github.com/trailofbits/skills/tree/main/plugins/testing-handbook-skills/skills/harness-writing ## Permissions - File System (Read) ## Assessment Pending security review. ## Repository > Trail of Bits Claude Code skills for security research, vulnerability detection, and audit workflows 5099 stars · 446 forks · Python · last commit 2026-01-14T20:24:03.000Z · 29 contributors Source: GitHub API, fetched 2026-05-10T07:57:49.129Z