claude-skills/engineering/skills/mcp-server-builder/references/openapi-extraction-guide.md
Reza Rezvani 1851c8fb09 fix(plugins): restructure 9 multi-skill domain plugins into ./skills/ layout
Same root cause as #587/#591 — Claude Code's runtime loader rejects
array-form skills paths like ["./content-production", "./ai-seo", ...]
even when each entry is a valid subdirectory containing SKILL.md.
`claude plugin validate` accepts them but the loader does not.

The proven canonical layout (used by self-improving-agent in #536):

  <plugin>/
  ├── .claude-plugin/plugin.json    skills: "./skills"
  └── skills/
      ├── <skill-1>/SKILL.md
      ├── <skill-2>/SKILL.md
      └── ...

Restructured 9 multi-skill domain plugins:
- business-growth (4 skills moved)
- c-level-advisor (28)
- engineering (36)
- engineering-team (32)
- finance (2)
- marketing-skill (43)
- product-team (12)
- project-management (8)
- ra-qm-team (13)

Also fixed standalone plugins that had root SKILL.md + ./skills/ subdir
(agenthub, autoresearch-agent, executive-mentor, playwright-pro). The
loader rejected them despite skills="./skills" because of the conflicting
root SKILL.md (compare self-improving-agent which works because PR #536
moved its root SKILL.md). Moved each root SKILL.md into ./skills/<name>/.

Restored standalone plugin folders to their original paths after the
multi-skill restructure swept them into parent skills/ directories
(marketplace.json source paths require original locations).

Removed 7 orphaned marketplace entries that pointed to skill folders
without their own plugin.json (content-creator, demand-gen,
fullstack-engineer, aws-architect, product-manager, scrum-master,
skill-security-auditor) — these were already non-functional.

Bumped patch versions on every changed plugin and synced
marketplace.json. Marketplace now lists 29 working plugins (down
from 36).

After merge: users run `/plugin marketplace update claude-code-skills`
followed by `/plugin update --all` to pick up the working layout.
2026-05-02 22:51:20 +02:00

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Markdown

# OpenAPI Extraction Guide
## Goal
Turn stable API operations into stable MCP tools with clear names and reliable schemas.
## Extraction Rules
1. Prefer `operationId` as tool name.
2. Fallback naming: `<method>_<path>` sanitized to snake_case.
3. Pull `summary` for tool description; fallback to `description`.
4. Merge path/query parameters into `inputSchema.properties`.
5. Merge `application/json` request-body object properties when available.
6. Preserve required fields from both parameters and request body.
## Naming Guidance
Good names:
- `list_customers`
- `create_invoice`
- `archive_project`
Avoid:
- `tool1`
- `run`
- `get__v1__customer___id`
## Schema Guidance
- `inputSchema.type` must be `object`.
- Every `required` key must exist in `properties`.
- Include concise descriptions on high-risk fields (IDs, dates, money, destructive flags).