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api-pick

Use when designing a new API or endpoint, choosing between REST, GraphQL or gRPC, or reviewing an API contract for design and safety.

Skill by Srimukh99

IndexedMIT
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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/srimukh99-api-pick

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Use when designing a new API or endpoint, choosing between REST, GraphQL or gRPC, or reviewing an API contract for design and safety.

Use cases: documents, design, backend

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What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

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Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/api-pick

What's inside

Skill name
api-pick
Description
Use when designing a new API or endpoint, choosing between REST, GraphQL or gRPC, or reviewing an API contract for design and safety.
License
MIT
Instructions
34 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

SKILL.md (first lines)

# api-pick

## 1. Choose the style

| If... | Pick |
| --- | --- |
| Many external or partner consumers; HTTP and CDN caching matter; simple per-endpoint limits | REST |
| A few first-party UIs with varied screens; clients over- or under-fetch; frontend teams iterate fast | GraphQL |
| Internal service-to-service, low latency, strong typing, streaming | gRPC |

Record the choice and the reasons as a short decision record.

## 2. Contract first

Write the OpenAPI 3.1 spec or GraphQL SDL, lint it, and get it reviewed before writing handlers. Never ship an endpoint that isn't in the spec.

## 3. Design rules

**REST**: plural nouns, nesting at most two levels, correct status codes, cursor pagination, errors in RFC 9457 problem-details format, ETags for caching and safe concurrent updates.

**GraphQL**: a DataLoader for every resolver that hits a database (no N+1), query depth and cost limits, persisted queries for public clients, Relay-style connections for pagination, mutation payloads that return user errors.

**All styles**:
- Authorization checked per object, not just per route.
- Idempotency keys on requests that create records or move money (`reg-money`).
- Rate limits and request size limits.
- No personal or regulated data in URLs (`reg-phi`, `reg-pci`).
- Additive changes only within a version; deprecate before removing.

## 4. Guard the contract in CI

Fail the build on breaking changes (for example oasdiff for OpenAPI, graphql-inspector for SDL) unless a decision record approves them. Add contract tests and fuzz tests for public APIs.

From Srimukh99/rubric, MIT.

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Last commit (this folder)
Oct 2, 2026 (27 days ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
Repository
github.com/Srimukh99/rubric
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
GitHubgithub-graphql

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Cite this page

api-pick skill. Agent Mart. https://agentmart.dev/skills/srimukh99-api-pick (last updated 2026-10-24)