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SKILL verified MIT Self-run

Api Recon And Docs

skill-yaklang-hack-skills-api-recon-and-docs · by yaklang

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Install

$ agentstack add skill-yaklang-hack-skills-api-recon-and-docs

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • ✓ Prompt-injection patterns
  • ✓ Secret / credential exfiltration
  • ✓ Dangerous shell & filesystem operations
  • ✓ Untrusted network calls
  • ✓ Known-malicious package signatures

What it can access

  • ● Network access Used
  • ✓ Filesystem access No
  • ✓ Shell / process execution No
  • ✓ Environment & secrets No
  • ✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

Verified badge

Passed review? Show it. Paste this badge into your README, it links to the public security report.

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[![AgentStack Verified](https://agentstack.voostack.com/badges/verified.svg)](https://agentstack.voostack.com/security/report/skill-yaklang-hack-skills-api-recon-and-docs)

Reliability & compatibility

✓ Security review passed
0 installs to date
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● 3mo ago

Declared compatibility

Claude CodeClaude Desktop

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.

How agent discovery & health will work →
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About

SKILL: API Recon and Docs — Endpoints, Schemas, and Version Surface

> AI LOAD INSTRUCTION: Use this skill first when the target is a REST, mobile, or GraphQL API and you need to enumerate endpoints, documentation, versions, and hidden surface area before exploitation.

1. PRIMARY GOALS

  1. Discover all reachable API entrypoints.
  2. Extract schemas, optional fields, and role differences.
  3. Identify old versions, mobile paths, GraphQL endpoints, and undocumented parameters.

2. RECON CHECKLIST

JavaScript and client mining

curl https://target/app.js | grep -oE '(/api|/rest|/graphql)[^"'\'' ]+' | sort -u

Common documentation and schema paths

/swagger.json
/openapi.json
/api-docs
/docs
/.well-known/
/graphql
/gql

Version and product drift

/api/v1/
/api/v2/
/api/mobile/v1/
/legacy/

3. WHAT TO EXTRACT FROM DOCS

  • optional and undocumented fields
  • admin-only request examples
  • deprecated endpoints that may still be active
  • schema hints like additionalProperties: true
  • parameter names tied to filtering, sorting, IDs, roles, or tenancy

4. NEXT ROUTING

| Finding | Next Skill | |---|---| | object IDs everywhere | [api authorization and bola](../api-authorization-and-bola/SKILL.md) | | JWT, OAuth, role claims | [api auth and jwt abuse](../api-auth-and-jwt-abuse/SKILL.md) | | GraphQL or hidden fields | [graphql and hidden parameters](../graphql-and-hidden-parameters/SKILL.md) | | strong auth boundary but suspicious business flow | [business logic vulnerabilities](../business-logic-vulnerabilities/SKILL.md) |

Source & license

This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

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Versions

  • v0.1.0 Imported from the upstream source.

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