stoplightio/spectral

Worth installing(Strong adoption and recent activity)

A flexible JSON/YAML linter for creating automated style guides, with baked in support for OpenAPI (v3.1, v3.0, and v2.0), Arazzo v1.0, as well as AsyncAPI v2.x.

Why this repo matters

Enforces automated API governance with built-in support for OpenAPI, AsyncAPI, and new Arazzo specifications.
Enables custom JSON/YAML linting rulesets to maintain consistent style guides across diverse API projects.
Provides essential validation tooling for TypeScript ecosystems managing complex API specification compliance workflows.

Key Metrics

Stars: 3.2k
Forks: 292
Open Issues: 224
Stars (7d delta): 0
Stars (30d delta): 11

Scores & Metadata

Trend Velocity Score: 0.00
Opportunity Score: 25.00
Confidence Score: 100.00
Language: TypeScript
License: Apache-2.0
Topics:
🏷️ arazzo 🏷️ hacktoberfest 🏷️ json 🏷️ json-lint 🏷️ json-schema 🏷️ jsonpath 🏷️ linting 🏷️ oas 🏷️ oasv3 🏷️ openapi 🏷️ openapi-specification 🏷️ openapi3 🏷️ stoplight-oss 🏷️ stoplight-spectral

Star History

3.2k stars+76 over 40 snapshots6/17/2026 – 9/10/2026

Links & Sources

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