API Security Tool Reference
Canonical command-line / install notes. Kept out of SKILL.md to stay under the router line budget.
HTTP & interception
| Tool | Purpose | Install |
|---|---|---|
| Burp Suite | HTTP intercept / repeater / intruder | https://portswigger.net/burp |
| mitmproxy | Scriptable HTTP intercept | pip install mitmproxy |
| Postman | Manual API testing / collections | https://postman.com |
| HTTPie | Readable curl replacement | pip install httpie |
Discovery / fuzzing
| Tool | Purpose | Install |
|---|---|---|
| ffuf | Generic HTTP fuzzer | go install github.com/ffuf/ffuf/v2@latest |
| kiterunner | API-aware route discovery | https://github.com/assetnote/kiterunner/releases |
| katana | Crawler (JS-aware) | go install github.com/projectdiscovery/katana/cmd/katana@latest |
| arjun | HTTP parameter discovery | pip install arjun |
| feroxbuster | Recursive content discovery | cargo install feroxbuster |
Protocol-specific
| Tool | Purpose | Install |
|---|---|---|
| graphql-cop | GraphQL misconfig scan | pip install graphql-cop |
| clairvoyance | GraphQL schema w/o introspection | pip install clairvoyance |
| inql | Burp GraphQL extension | Burp BApp store |
| grpcurl | gRPC CLI | go install github.com/fullstorydev/grpcurl/cmd/grpcurl@latest |
| grpcui | gRPC web UI | go install github.com/fullstorydev/grpcui/cmd/grpcui@latest |
| wscat | WebSocket CLI | npm install -g wscat |
JWT / auth
| Tool | Purpose | Install |
|---|---|---|
| jwt_tool | JWT tampering / cracking | pip install jwt_tool |
| hashcat | Offline JWT / PBKDF2 cracking | distro pkg or github releases |
| openssl | Cert / key inspection | distro pkg |
Scanning
| Tool | Purpose | Install |
|---|---|---|
| nuclei | Template-based scanner | go install github.com/projectdiscovery/nuclei/v3/cmd/nuclei@latest |
| sqlmap | SQLi automation | pip install sqlmap or distro |
| nikto | Legacy HTTP scanner | distro pkg |
Minimum validated versions (2026-04)
- nuclei >= 3.3
- ffuf >= 2.1
- grpcurl >= 1.9
- jwt_tool >= 2.2
- graphql-cop >= 1.13
- burp >= 2024.x