How do I install api-and-interface-design?

Install api-and-interface-design in your harness: Any agent — npx skills@1.7.4 add addyosmani/agent-skills. Full step-by-step guidance is on the HOL plugin page.

Who publishes api-and-interface-design?

api-and-interface-design is published by addyosmani and listed on HOL.

api-and-interface-design

skills.sh/addyosmani/agent-skills/api-and-interface-design · veb07f19f52c2 · Agent skill

by addyosmaniScan grade: Acceptableskills.sh · source scanned

Install Source Claim this skill

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Trust ScoreNot rated Security scan72 Components1

Protect this install with HOL Guard

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Is api-and-interface-design a fit?

From the plugin's manifest and HOL's scan. Anything the plugin does not declare is shown as not declared.

Works with

Agent Skills

1 skill

Before you install

Sign-in: Not declared
Declared access: Not declared
License: Not declared

Check before relying on it

The publisher has not verified ownership on HOL.
No license declared in the manifest.

What is api-and-interface-design?

api-and-interface-design is a published agent skill plugin for AI coding agents in the Agent Skills ecosystem, developed by addyosmani and distributed through the HOL AI plugin registry. Its manifest, install commands, security signals, and community evidence are documented on this page.

Canonical slug: skills.sh/addyosmani/agent-skills/api-and-interface-design
Version: veb07f19f52c2 · updated Oct 30, 2026
Open data: entity.json (JSON-LD)

Registry snapshot

Repository: https://github.com/addyosmani/agent-skills
Homepage: https://skills.sh/addyosmani/agent-skills/api-and-interface-design
Canonical profile: https://hol.org/registry/plugins/skills.sh%2Faddyosmani%2Fagent-skills%2Fapi-and-interface-design
Owner verification: Not verified
Scanner: HOL plugin scanner
Security result: Needs review
Digest verified: No

Trust and security

Provenance

Plugin root: .
Source repo: https://github.com/addyosmani/agent-skills
Source commit: eb07f19f52c2…
Publisher verified: No
Owner verified: Not owner verified

Security posture

See how the Trust Score is computed

Needs review

Security result

Security score

High findings

Provider: codex-plugin-scanner
Grade: C · Acceptable
Version: 3.24.2

cisco-mcp-scanner: skipped

Security

10/16

9 checks

Operational Security

N/A

5 checks · not applicable

Best Practices

3/6

4 checks

Code Quality

10/10

2 checks

Published advisories

None matched in GitHub security advisories, checked 2026-10-30. This covers published advisories only, not problems nobody has reported.

GitHub security advisories are those the source repository has published.

Findings

lowsecuritySECURITY_MD_MISSING

Plugins should publish a SECURITY.md file for responsible disclosure and support guidance.

Add a SECURITY.md file with reporting guidance and supported versions.

lowsecurityLICENSE_MISSING

Plugins should ship a LICENSE file so consumers can review usage rights.

Add a LICENSE file that matches the manifest license metadata.

lowbest-practicesREADME_MISSING

Plugins should document installation, usage, and security expectations in README.md.

Add a README.md that explains setup, usage, and operational constraints.

Install guidance

Install in Any agent

One command for every agent the Skills CLI detects, including Claude Code, Codex, Cursor, OpenCode, and Antigravity CLI.

Skills CLI docs

Install for every detected agent

shell

2
Restart and verify
Start a new session in each agent and confirm the skill is listed before relying on it. The Skills CLI lists what it installed.
shell

To remove it later, run npx [email protected] remove addyosmani/agent-skills.

Did setup work in Any agent?

No setup reports for Any agent yet. Self-reported by signed-in visitors. Copying a command is not counted, and most installs are never reported.

Attested installs: Fewer than 10 attested installs of this plugin in week 2026-W43, so no number is shown. Counted from opt-in HOL Guard install reports, once per machine and runtime, and never mixed with the answers above. How install reports work.

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Plugin manifest

{
  "source": "skills.sh",
  "evidenceState": "scanned_source",
  "skillsShId": "addyosmani/agent-skills/api-and-interface-design",
  "installs": 65910,
  "sourceScannedAt": "2026-10-30T22:58:34.957Z",
  "sourceScanCommit": "eb07f19f52c2669f2364897aaa293e2aaddd7b1c"
}

File inventory

File inventory is unavailable for this plugin right now.