its-rest

its-rest is a skill for Claude Code, Codex from openEHR/ai-plugins. It costs 119 tokens per session (1,410 once invoked), scanned A, original, Apache-2.0.

A set of rules and tools for creating, editing, and reviewing the openEHR REST API specification. REST is a common way for software to communicate through web requests, and this specification uses OpenAPI YAML and Markdown files.

In plain words
What is it for?
Adding or reviewing REST operations, request and response schemas, Markdown descriptions, OpenAPI files, builds, and amendment records.
Why use it?
It prevents endpoint, schema, description, and build changes from breaking the API documentation or violating repository conventions.

Skill for Claude CodeCodex

Part of the openehr-specs plugin — 7 skills, 3 commands, 3 agents shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/openehr/ai-plugins/its-rest
Any agent
npx skills add openEHR/ai-plugins --skill its-rest
Clone the repo
git clone --depth 1 https://github.com/openEHR/ai-plugins

Made for: Claude Code, Codex.

Or install openehr-specs, the plugin that ships this one along with the rest of its 7 skills, 3 commands, 3 agents.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for its-rest

README.md
[![agentmods](https://agentmods.dev/badge/skills/openehr/ai-plugins/its-rest.svg)](https://agentmods.dev/skills/openehr/ai-plugins/its-rest)
Your own site
<a href="https://agentmods.dev/skills/openehr/ai-plugins/its-rest"><img src="https://agentmods.dev/badge/skills/openehr/ai-plugins/its-rest.svg" alt="Measured on agentmods" height="20"></a>
Per session 119 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,410 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00119 $0.01410
Opus 5 $0.00060 $0.00705
Sonnet 5 $0.00024 $0.00282
Haiku 4.5 $0.00012 $0.00141

Measured 4d ago against content hash e128e1f39a52, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

its-rest scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/openehr-specs/skills/its-rest/SKILL.md · 106 lines

How it starts

The opening of the file, as written. The whole thing — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.

openEHR ITS-REST API Specification Authoring

This skill covers creating and editing the openEHR REST API specification sources in the specifications-ITS-REST repository. Unlike other specifications-XX repos that use AsciiDoc, ITS-REST uses OpenAPI 3.0.3 YAML with Markdown descriptions, split across many small files that are bundled into publishable artifacts.

Exception: The docs/ directory contains some AsciiDoc-based specs (e.g., simplified_formats, smart_app_launch) that follow the standard openEHR authoring conventions. This skill does NOT cover those — use the authoring skill instead.

References

  • File-format conventions: see references/file-formats.md for the detailed format and conventions of each source type — top-level entry YAML, operation files, schema files, Markdown description files, and the HTML amendment record. Load it when writing or editing any of these.
  • Build toolchain: see references/build-pipeline.md for the full Redocly + PHP pipeline, validation, live preview, and code generation.

Repository Structure

specifications-ITS-REST/
├── specifications/                    # Source OpenAPI specs (authoring)
│   ├── overview.openapi.yaml          # Top-level entry: overview/cross-cutting concerns
│   ├── ehr.openapi.yaml               # Top-level entry: EHR API
│   ├── query.openapi.yaml             # Top-level entry: Query API
│   ├── definition.openapi.yaml        # Top-level entry: Definition API
│   ├── demographic.openapi.yaml       # Top-level entry: Demographic API
│   ├── system.openapi.yaml            # Top-level entry: System API
│   ├── admin.openapi.yaml             # Top-level entry: Admin API
│   ├── operations/                    # One YAML file per API operation
│   ├── schemas/<domain>/              # Reusable schema components (ehr, query, common, …)
│   ├── parameters/{path,query,header}/ # Reusable parameter definitions
│   ├── responses/                     # Reusable response definitions
│   ├── headers/                       # Reusable response header definitions
│   ├── docs/<domain>/                 # Markdown description files (overview, ehr, query, …)
│   └── tags/                          # Tag description files (schema docs)
├── computable/OAS/                    # Build output (bundled specs in JSON/YAML)
├── docs/                              # AsciiDoc specs AND rendered HTML output
│   ├── simplified_formats/            # AsciiDoc spec (use authoring skill)
│   ├── smart_app_launch/              # AsciiDoc spec (use authoring skill)
│   └── *.html                         # Rendered HTML (build output)
├── development/                       # Build tooling (PHP, Docker, Makefile)
├── manifest.json                      # Component manifest
├── Makefile                           # Top-level build targets
└── .redocly.yaml                      # Redocly configuration

Read the full file on GitHub · 106 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 4d ago First seen · 106 lines · 119 tokens per session scan A e128e1f39a52

Subscribe to this mod's changes

its-rest is a skill published in the GitHub repository openEHR/ai-plugins (3 stars, last pushed 3mo ago), licensed Apache-2.0. It adds 119 tokens to every session and 1,410 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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