Modeling Language

A modeling language is a formal language used for specifying, visualizing, constructing, and documenting the artifacts of a system. Modeling languages are used in software engineering, systems design, enterprise architecture, and data modeling to capture structure and behavior in a way that can be shared, reasoned about, and turned into running systems. This index tracks modeling languages and notations relevant to the API and software design space.

Modeling Language is profiled on the APIs.io network. Tagged areas include Modeling Language, System Design, UML, SysML, and Architecture.

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8.1/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs

Modeling LanguageSystem DesignUMLSysMLArchitectureSpecificationConcept

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 8.1/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 1.3 / 20

Commercial Clarity 0.0 / 20

Operational Transparency 0.0 / 13

Governance 0.0 / 12

Discoverability 6.8 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

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Resources

Documentation 1

Reference material describing how the API behaves

Reference

Reference

Source (apis.yml)

aid: modeling-language
name: Modeling Language
description: A modeling language is a formal language used for specifying, visualizing, constructing, and documenting the
  artifacts of a system. Modeling languages are used in software engineering, systems design, enterprise architecture, and
  data modeling to capture structure and behavior in a way that can be shared, reasoned about, and turned into running systems.
  This index tracks modeling languages and notations relevant to the API and software design space.
type: Index
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/modeling-language.png
url: https://raw.githubusercontent.com/api-evangelist/modeling-language/refs/heads/main/apis.yml
access: 3rd-Party
created: '2025'
modified: '2026-04-28'
position: Consumer
specificationVersion: '0.19'
tags:
- Modeling Language
- System Design
- UML
- SysML
- Architecture
- Specification
- Concept
apis: []
common:
- type: Reference
  url: https://en.wikipedia.org/wiki/Modeling_language
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com