Frida agent builder

Ai skills for Frida dynamic instrumentation across Android, iOS, native hooks, agents, and troubleshooting

Install

npx -y skills add Rudra-ravi/frida-skills --skill frida-agent-builder

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Build maintainable Frida agent projects with TypeScript, frida-compile, RPC exports, helpers, logging, version checks, and multi-hook organization.

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Use this skill for reusable Frida agents and multi-script projects.

Prefer a small TypeScript agent when scripts will grow beyond a single hook:

agent/
├── package.json
├── tsconfig.json
├── src/
│   ├── index.ts
│   ├── log.ts
│   └── hooks/
└── dist/

For Frida 17 and Java APIs in bundled agents, include frida-java-bridge when required by the build/runtime style.

Keep one hook family per file.
Export an init() function per hook family and call it from src/index.ts.
Use structured logging with tags and JSON for complex values.
Add rpc.exports only for host-controlled actions or test probes.
Avoid global broad hooks unless the task explicitly requires discovery.
Keep generated artifacts out of source control unless the repository convention includes them.

Use scripts/scaffold-frida-agent.py to create a minimal TypeScript Frida agent:

python3 /path/to/frida-agent-builder/scripts/scaffold-frida-agent.py ./agent --java

Then install and build:

npm install
npm run build

Read references/agent-patterns.md for project conventions, RPC patterns, host command examples, and packaging notes.