npm · Packagist
swagger-api/swagger-ui
Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.
Apache-2.0Sep 16, 2026 · metrics 2.10.0
All tags
Catalogue tag
#specification
Every repository in the public record carrying this tag — from its GitHub topics or the keywords its package registries publish. Health is measured under the same versioned methodology as the rest of the record.
82 records
npm
Fission-AI/OpenSpec
Spec-driven development (SDD) for AI coding assistants.
MITSep 19, 2026 · metrics 2.10.0
Go · PyPI
substrait-io/substrait
A cross platform way to express data transformation, relational algebra, standardized record expression and plans.
Apache-2.0Sep 13, 2026 · metrics 2.10.0
npm
inikulin/parse5
HTML parsing/serialization toolset for Node.js. WHATWG HTML Living Standard (aka HTML5)-compliant.
MITSep 16, 2026 · metrics 2.10.0
PyPI · npm
bowtie-json-schema/bowtie
JSON Schema in every programming language
Custom licenseSep 14, 2026 · metrics 2.10.0
Go
modelpack/model-spec
An Open Standard for Packaging, Distributing and Running LLMs in Cloud-Native Environments
Apache-2.0Sep 12, 2026 · metrics 2.10.0
npm
hyodotdev/openiap
Standardized protocol for in-app purchases across all platforms — backed by Meta & Amazon
MITSep 5, 2026 · metrics 2.10.0
npm
open-feature/spec
OpenFeature specification
Apache-2.0Sep 19, 2026 · metrics 2.10.0
PyPI
marshmallow-code/apispec
A pluggable API specification generator. Currently supports the OpenAPI Specification (f.k.a. the Swagger specification)..
MITSep 14, 2026 · metrics 2.10.0
npm
microsoft/tsdoc
A doc comment standard for TypeScript
MITSep 16, 2026 · metrics 2.10.0
npm · crates.io
quint-co/quint
An executable specification language with delightful tooling based on the temporal logic of actions (TLA)
Apache-2.0Oct 19, 2026 · metrics 2.10.0
npm
toon-format/toon
🎒 Token-Oriented Object Notation (TOON) – compact, human-readable serialization of JSON data for LLM prompts. TypeScript SDK, CLI, benchmarks.
MITSep 16, 2026 · metrics 2.10.0
npm
readmeio/oas
Comprehensive tooling for working with OpenAPI definitions.
MITAug 27, 2026 · metrics 2.10.0
PyPI · npm · Go
responsibleai/agent-hooks
Framework-neutral control contract for AI agents: eight interception points, three verdicts, and a conformance kit.
MITOct 6, 2026 · metrics 2.10.0
Packagist · Go
standard-webhooks/standard-webhooks
The Standard Webhooks specification
Apache-2.0Sep 8, 2026 · metrics 2.10.0
PyPI
python-openapi/openapi-spec-validator
OpenAPI Spec Validator is a CLI, pre-commit hook and python package that validates OpenAPI Specs against the OpenAPI 2.0 (aka Swagger), OpenAPI 3.0 and OpenAPI 3.1 specification.
Apache-2.0Aug 27, 2026 · metrics 2.10.0
npm
w3c/echidna
New publication workflow at W3C — main component
MITSep 13, 2026 · metrics 2.10.0
PyPI · Go
jeduden/mdsmith
fast, auto-fixing Markdown linter and formatter. Checks style, readability, structure, and cross-file integrity.
Custom licenseSep 14, 2026 · metrics 2.10.0
—
open-workflow-specification/specification
Contains the official specification for the Open Workflow Specification Domain Specific Language. It provides detailed guidelines and standards for defining, executing, and managing workflows in serverless environments, ensuring consistency and interoperability across implementations.
Apache-2.0Sep 23, 2026 · metrics 2.10.0
PyPI · npm · crates.io
statecrafting/spec-spine
A typed, hash-verifiable ledger of who-owns-what, sitting underneath a codebase so that many agents (or people) can work in parallel without trampling each other.
Apache-2.0Oct 12, 2026 · metrics 2.10.0
NuGet
zarusz/SlimMessageBus
Lightweight message bus interface for .NET (pub/sub and request-response) with transport plugins for popular message brokers.
Apache-2.0Sep 15, 2026 · metrics 2.10.0
PyPI
jrepp/docuchango
Docusaurus validation and repair framework with optimizations for agent based workflows
MPL-2.0Oct 9, 2026 · metrics 2.10.0
npm · PyPI · Go
leji-org/leji
The open specification for the shared context layer of AI-native teams
Custom licenseSep 20, 2026 · metrics 2.10.0
Packagist · PyPI
phpspec/phpspec
SpecBDD Framework for PHP
Custom licenseOct 20, 2026 · metrics 2.10.0
Go
adrg/xdg
Go implementation of the XDG Base Directory Specification and XDG user directories
MITOct 21, 2026 · metrics 2.10.0
PyPI
dfch/biz.dfch.SpecMgr
An ISO 29148 based artifact manager for system specifications.
AGPL-3.0Oct 13, 2026 · metrics 2.10.0
npm
ljharb/es-abstract
ECMAScript spec abstract operations.
MITSep 16, 2026 · metrics 2.10.0
npm
paulasilvatech/specky
Agentic Spec-Driven Development — 13 agents, 58 MCP tools, 10-phase enforced pipeline. From meeting transcript to PR in one command. Install via npm install -g specky-sdd@latest
Custom licenseSep 14, 2026 · metrics 2.10.0
—
ethereum/beacon-APIs
Collection of RESTful APIs provided by Ethereum Beacon nodes
CC0-1.0Sep 19, 2026 · metrics 2.10.0
crates.io
govctl-org/govctl
A governance harness for AI coding.
MITSep 14, 2026 · metrics 2.10.0