api-security-testing

Проверка безопасности API с помощью Strix

usestrix/strixАвторский скилл
67 857звёзд7 510форковУ всего репозитория

Что получите

Отчёт Markdown с запросами, подтверждающими уязвимости, а также структурированные результаты JSON и SARIF.

Что передать

Адрес и описание API, тестовые учётные данные, примеры объектов, исключённые операции и ограничения нагрузки.

Автопроверка файлов

Проверен состав файлов. Запуск не тестировался. Что проверено

Оценки пользователей

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Как использовать

Помогает разработчикам и специалистам по безопасности искать уязвимости REST, GraphQL и gRPC API. Проверяет разграничение доступа, раскрытие данных, ограничения ресурсов и другие классы проблем по OWASP API Security Top 10 2023 с воспроизводимыми запросами.

  1. Определите область проверки и передайте схему API вместе с контекстом пользователей и прав доступа.
  2. Настройте Strix и запустите проверку с учётом исключений и ограничений.
  3. Повторите запросы из находок, подтвердите фактическое нарушение, затем повторно проверьте исправления.

Условия работы

  • Нельзя сканировать чужой API или выдумывать токены; токены нельзя сохранять в истории команд и коммитах.
  • Для доказательства межклиентского нарушения нужны две группы учётных данных, для нарушения ролевого доступа — низкопривилегированный и высокопривилегированный токены.
  • Нужен настроенный Strix; установка и настройка модели описаны в penetration-testing-with-strix, облачный вариант без Docker и ключа модели — в managed-pentesting-with-strix.
  • Для недоступных частных API используется сетевой коннектор облачной платформы; gRPC-описание передаётся как вспомогательный файл, а не цель проверки.

Пример запроса после установки

Проверь наш тестовый API по OpenAPI-схеме: сравни доступ двух клиентов и администратора, исключи платежи и массовые уведомления, подготовь воспроизводимые запросы для находок.

Пример составлен по инструкции автора; результат запуска не проверялся.

Основание: инструкция закреплённой версии

Для установки

Node.js, npm и Git для команды выше. Подключения и инструменты для работы скилла настраиваются отдельно.

Совместимые агенты

Совместимость указана для инструкций. Запуск в каждом приложении не тестировался; для веб-чата способ подключения может отличаться.

Файлы скилла

GitHub
Читать инструкцию SKILL.md

Исходный текст закреплённой версии.

---
name: api-security-testing
description: Security-test a REST, GraphQL, or gRPC API with Strix — autonomous agents that enumerate endpoints from an OpenAPI/GraphQL schema (or by crawling), then actually exploit the API-specific vulnerability classes in the OWASP API Security Top 10 (2023) — broken object-level authorization (BOLA/IDOR), broken object property level authorization (excessive data exposure and mass assignment), broken function-level authorization, unrestricted resource consumption, SSRF, injection, and auth/token flaws. Every finding comes with a working proof-of-concept request. Use when the user asks to pentest, security-test, audit, or find vulnerabilities in an API, endpoint, or backend service.
license: Apache-2.0
metadata:
  author: usestrix
  homepage: https://docs.strix.ai
---

# Security-test an API

APIs fail differently from web UIs: there is no rendered surface to crawl, the interesting bugs are authorization-shaped rather than injection-shaped, and the same endpoint behaves differently per token. This workflow targets those specifics with Strix's autonomous agents, using the current [OWASP API Security Top 10 (2023)](https://owasp.org/API-Security/editions/2023/en/0x11-t10/) as the coverage checklist. For the web-app equivalent, the current edition is the OWASP Top 10:2025 — see **owasp-top-10-testing**.

Install, LLM setup, full CLI flags, and the managed-cloud path are in the **penetration-testing-with-strix** skill. Read it if `strix --version` fails or the target is not an API. For a run with no Docker and no LLM key, the same binary drives the managed platform: `strix cloud login`, then `strix cloud scans start ...` (details in **managed-pentesting-with-strix**).

## 1. Gather what the agents need

APIs are near-impossible to test blind, so collect first:

| Input | Why it matters |
|---|---|
| **Schema** — OpenAPI/Swagger file, Postman collection, GraphQL endpoint (introspection), or a gRPC `.proto` | Turns guesswork into full endpoint enumeration. Biggest single win in coverage. An OpenAPI/Swagger or Postman spec (`.json`/`.yaml`/`.yml`) is a target Strix takes directly; a `.proto` is not, so pass it with `--workspace-file`. |
| **Two sets of credentials/tokens**, ideally in different tenants | BOLA/IDOR — API1:2023, still the #1 API risk — can only be *proven* by accessing tenant A's objects with tenant B's token. |
| **A low-privilege and a high-privilege token** | Required to prove broken function-level authorization (API5:2023 — a `user` calling admin-only routes). |
| **Example object IDs** | Lets agents test ID tampering immediately instead of hunting for valid identifiers. |
| **Out-of-scope routes** | Payments, mass notification, destructive admin endpoints. |
| **Rate limits / WAF** in front of the API | Avoids agents burning budget on throttled requests; mention them so testing adapts. |

Ask the user for anything missing — do not fabricate tokens or scan an API they do not own.

## 2. Run the scan

Pass the spec as a **target**, not as prose in the instruction — Strix parses OpenAPI/Swagger (`.json`/`.yaml`) and Postman collection exports directly, so the agents start from the real endpoint list:

```bash
strix -n -t ./openapi.yaml -t https://api.staging.example.com --max-budget 20 \
  --instruction "Tenant A token: <tokenA> (org 1111, user id 11, order id 501).
Tenant B token: <tokenB> (org 2222, user id 22).
Admin token: <tokenAdmin>.
Focus: BOLA across orgs (API1), function-level authz on /admin/* (API5), object property level authz on PATCH /users/{id} — both mass assignment and over-exposed fields in list responses (API3), unrestricted resource consumption (API4).
Out of scope: POST /billing/*, POST /notifications/broadcast."
```

- **Postman instead of OpenAPI:** a collection export works as a target (`-t ./collection.postman_collection.json`), or pull one live with `-t postman://<collection-uuid>` (optionally `"postman://<collection-uuid>?env=<environment-uuid>"`), which needs `POSTMAN_API_KEY` in the environment.
- **Many services at once:** put one target per line in a file and pass `--target-list ./targets.txt`, repeatable and combinable with `-t`.
- **Add the backend source for depth:** `-t ./services/api -t https://api.staging.example.com`. With code access the agents can reason about authorization checks and object ownership rather than inferring them from responses.
- **gRPC:** target the endpoint and pass the definition as a workspace file, `-t https://grpc.staging.example.com --workspace-file ./service.proto`. Only `.json`, `.yaml`, and `.yml` specs are recognized as targets, so `-t ./service.proto` fails with "Path exists but is not a directory".
- **GraphQL:** point at the GraphQL endpoint and say whether introspection is enabled; call out that you want batching/aliasing abuse, depth/complexity limits, and per-field authorization tested.
- **Internal/private APIs** unreachable from your machine: use the managed platform's network connector — see **managed-pentesting-with-strix**.
- Use `--instruction-file` when the credential/context block gets long, and keep tokens out of shell history and out of committed files.
- **Supporting files** the agents should read but not test, such as an endpoint wordlist or handwritten notes about the tenancy model: pass `--workspace-file ./notes.md`. The file lands read-only in `/workspace`. Add `:DEST` to choose the path, for example `--workspace-file ./wordlist.txt:lists/wordlist.txt`.

## 3. Verify findings

`strix_runs/<run>/penetration_test_report.md` first, then `vulnerabilities/*.md` — each contains the exact request that proved the issue. Replay it (for example, with `curl`) before reporting; for authorization findings, confirm the response really contains the other tenant's data rather than an empty 200.

`findings.sarif` uploads to GitHub code scanning; `vulnerabilities.json` is the structured index for ticketing.

## 4. Fix, re-test, and keep it tested

Remediate with **fix-security-vulnerabilities-with-strix** (fix the authorization check, not the single endpoint), then re-run against the same target to prove the exploit is dead. Wire it into pull-request CI with **ci-security-scanning-with-strix** so new endpoints get tested as they ship.

Проверка и особенности

Автоматическая проверка источника и файлов

Автоматически сверены публичный репозиторий, лицензия, YAML-заголовок SKILL.md, состав папки и Git-хеш каждого файла. Исполняемые файлы и срабатывания статических правил исключены из этой партии. Ручной аудит всех инструкций и проверка работы не проводились; эта проверка не гарантирует безопасность. Команда закреплена на проверенном коммите.

Интерес к репозиторию оцениваем по звёздам и форкам GitHub. Это показатели всего репозитория, а не числа установок отдельного скилла.

Есть ссылки на внешние инструкции или инструменты: их содержимое и доступность могут изменяться отдельно от скилла.

Проверка состава
16.09.2026
Проверенная версия
910c1ea4bbf2
Файлы с кодом
Не указаны в данных проверки
Изменения на GitHub
Нужна повторная проверкаПоследняя проверка: 11.10.2026
Как мы проверяем скиллы

Репозиторий и лицензия

usestrix/strix
67 857 звёзд7 510 форков

Это показатели всего репозитория, а не установки скилла. Снимок требует обновления.

Последняя активность GitHub
11.10.2026
Лицензия
Apache-2.0
Добавлен в каталог
16.09.2026
Полный текст лицензии
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