API Constraints Exhibit

Q: What is a Claude Code skill and how does the API Constraints Exhibit skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. API Constraints Exhibit is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Engineering · Sub-category: backend · Last updated: 2026-06-06

Extracts technical API constraints from OpenAPI/Swagger specs and developer docs into a contract-ready API Access & Constraints Schedule with source traceability, risk flags, and change-control language. Use when drafting legal exhibits or schedules covering API access scope, rate limits, authentication, data fields, or deprecation terms for MSAs, SOWs, or order forms.

About this skill (catalog notes)

API Constraints Exhibit includes pricing or quota commentary. The SKILL.md runs to about 1,072 words, in the catalog's typical mid-range.

License: Apache-2.0
Original author: CaseMark
Indexed lastmod: 2026-06-06
Catalog position: Engineering · backend
Indexed related skills: 10

How API Constraints Exhibit fits the catalog

API Constraints Exhibit sits in the Engineering category under the backend sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

Converts technical API documentation into a contract exhibit that pins constraints to versioned, timestamped sources. Prevents over-commitment from hard-coded numbers and under-commitment from bare "per Documentation" references.

What this skill does

API Constraints Exhibit is a community-contributed Claude Code skill in the backend sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/api-constraints-exhibit/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when drafting legal exhibits or schedules covering API access scope, rate limits, authentication, data fields, or deprecation terms for MSAs, SOWs, or order forms.

Who uses this skill

The API Constraints Exhibit Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 93,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/api-constraints-exhibit
curl -L https://claudskills.com/skills/api-constraints-exhibit/SKILL.md \
  -o ~/.claude/skills/api-constraints-exhibit/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/api-constraints-exhibit/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/api-constraints-exhibit/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\api-constraints-exhibit\SKILL.md on Windows. See the full install guide for step-by-step instructions.

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the API Constraints Exhibit Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/api-constraints-exhibit/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the API Constraints Exhibit skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the API Constraints Exhibit skill?

Use API Constraints Exhibit when your Claude Code task falls under the Engineering category — specifically in the backend area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use API Constraints Exhibit" or describe the task and let Claude pick). Browse related skills at /category/engineering/.

What is a Claude Code skill and how does the API Constraints Exhibit skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. API Constraints Exhibit is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/ThomasMoreAI/legal-skills-open/blob/HEAD/general/contracts/skills/api-constraints-exhibit/SKILL.md
License: Apache-2.0
Author: CaseMark

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

CaseMark. (2026). API Constraints Exhibit [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/api-constraints-exhibit/

BibTeX

@misc{api-constraints-exhibit-2026,
  author    = {CaseMark},
  title     = {API Constraints Exhibit [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/api-constraints-exhibit/}
}

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