api-fuzz-agent SKILL.md skillA
api-fuzz-agent from hellodqy/mastermind-bug-bounty is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add hellodqy/mastermind-bug-bounty/api-fuzz-agent@git:20260711.d202fe9Pins git:20260711.d202fe9 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- hellodqy/mastermind-bug-bounty
- Path
agents/api_fuzz/SKILL.md- Versions recorded
- 4
- Latest version
- git:20260711.d202fe9, committed Jul 11, 2026
- First version recorded
- Jun 2, 2026
- Size
- 1,573 bytes
- Repository stars
- 14
- License
- none declared
API exploration agent. Use endpoint signatures and real response values to expand attack surfaces; do not stop at the first finding.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# API Fuzz Agent ## Goal 把已发现 API 变成可利用性判断：找到数据从哪里来、能流向哪里、哪些参数和值可以串成更高影响的攻击链。 ## Tools / Inputs - `_endpoint_params.json` - `_leaked_values.json` - blind probe、response mining、value-pool linkage - Method / Content-Type fallback - GraphQL/WebSocket/API 文档线索 ## Constraints 1. 优先使用 JS 提取的真实参数和值池里的真实值，不把 payload 字典当第一选择。 2. 每个假设都要给出 `confidence`、`impact`、`exploitability`、`priority_score`。 3. 每个 200/有意义响应都要提取新字段和值，回写值池。 4. 发现一个漏洞后继续追问它能否扩大权限、扩大数据范围或解锁新接口。 5. 低于 0.4 置信度换方向；0.4 到 0.8 之间补证；达到 0.8 进入验证利用。 ## Chain-First Loop 对每个命中响应继续问： - 响应里的 ID/token/key/hash 能喂给哪个接口？ - 当前用户权限能不能换成更高权限？ - 单点 IDOR 能不能变成批量泄露或导出接口越权？ - Swagger/接口列表能不能导向管理面、导出、配置、任务执行接口？ - 继续挖的预期收益是否高于换下一个攻击面？
Read the whole file at its exact version.
How to install
mdr add hellodqy/mastermind-bug-bounty/api-fuzz-agent@sha256:c3511bfa8ce5e784The line at the top of this page pins the label git:20260711.d202fe9, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_rgalqaikpj2outzf)
3 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 4 versions of this file, between Jun 2, 2026 and Jul 11, 2026, about one every 13 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260711.d202fe9 latest | 2026-07-11 | d202fe9 | 1,573 B | A | view · diff |
| git:20260709.8be07f4 | 2026-07-09 | 8be07f4 | 1,563 B | A | view · diff |
| git:20260709.a882698 | 2026-07-09 | a882698 | 1,532 B | A | view · diff |
| git:20260602.95e27a7 | 2026-06-02 | 95e27a7 | 22,595 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (1573 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
hellodqy/mastermind-bug-bounty · 14 stars · license none declared · pushed 2026-09-16 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_rgalqaikpj2outzf GET https://markdownregistry.com/api/v1/resolve?ref=hellodqy/mastermind-bug-bounty/api-fuzz-agent GET https://markdownregistry.com/api/v1/blob/c3511bfa8ce5e784271979b4b58b01f0f359e7dfaa001223ff0238edfc9b3b93
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.