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SKILL verified MIT Self-run

App Integration Shaping

skill-45ck-skill-harness-app-integration-shaping · by 45ck

Decide how an external app or service should be integrated, including boundaries, auth scopes, ownership, and failure handling.

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Install

$ agentstack add skill-45ck-skill-harness-app-integration-shaping

✓ 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 No
  • ✓ 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.

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About

Use this skill when deciding whether a new external integration belongs in the system and how it should be shaped.

Compare these options explicitly:

  • direct API client inside the application
  • separate service or worker
  • MCP server or connector-style integration
  • no integration yet because the problem is still underspecified

Checklist:

  • define the user or system workflow that needs the integration
  • identify data movement, ownership, and trust boundaries
  • specify required auth scopes and whether they are acceptable
  • call out rate limits, retries, partial failure, and observability needs
  • end with the recommended integration style and why it is the least-wrong option

Avoid:

  • defaulting to MCP because it is fashionable
  • burying auth scope risk inside implementation detail
  • merging integration design with product prioritization

Source & license

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

  • Author: 45ck
  • Source: 45ck/skill-harness
  • License: MIT
  • Homepage: https://github.com/45ck/skill-harness/releases/tag/v0.1.0

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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