Framework
Providers using this tag (63)
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 1 Complete, well-documented, and agent-ready
Developing 4 Usable, with meaningful gaps to close
Thin 21 Limited public surface area
Emerging 27 Early or largely undocumented
Minimal 5 Almost no public developer surface
APIs with this tag (53)
Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →
Exemplar 1 Complete, well-documented, and agent-ready
Strong 4 Solid coverage with minor gaps
Anecdotes GRC APIThe Anecdotes API provides programmatic access to the Anecdotes GRC platform: frameworks, requirements, con...Arcade MCP FrameworkThe arcade-mcp open-source Python framework — "MCP Server Framework and Tool Development library for buildi...Shopify HydrogenHydrogen is Shopify's React-based framework for building custom storefronts powered by the Storefront API. ...Datadog Framework APIThe Framework API from Datadog — 2 operation(s) for framework.
Developing 2 Usable, with meaningful gaps to close
Thin 17 Limited public surface area
Pipecat Framework (Python SDK)Open-source (BSD 2-Clause) Python framework whose interface is the pipecat-ai library, not a REST API. Appl...Haystack Framework (Open Source)Apache-2.0 licensed Python framework for composable LLM orchestration. Build modular Pipelines from Compone...SharePoint Framework (SPFx)The SharePoint Framework (SPFx) is a development model for building client-side web parts, extensions, and ...Dara Application Framework HTTP APIThe HTTP surface exposed by a Dara application. Dara is causaLens' Apache-2.0 open-source Python framework ...NPP API FrameworkThe NPP API Framework defines the mandatory technical approach and data attributes for APIs built on the Ne...Spring Boot Core FrameworkCore Spring Boot 3 framework providing auto-configuration, embedded server support (Tomcat, Jetty, Undertow...Superlinked Framework (Python)The open-source Apache-2.0 Python framework (pip install superlinked) used to declare Schema, Space, Index,...Shopify HydrogenHydrogen is Shopify's opinionated React-based framework for building headless storefronts powered by the St...LlamaIndex Python FrameworkLlamaIndex is an open-source Python framework for building LLM-powered applications including agents, RAG p...LlamaIndex TypeScript FrameworkLlamaIndex TypeScript is the JavaScript and TypeScript implementation of the LlamaIndex framework for build...Evidence Framework (SQL + Markdown)The open-source core. SQL statements embedded in Markdown files run against configured data sources and ren....NET API BrowserComprehensive reference documentation for all .NET APIs including the .NET Runtime, base class libraries, A...Self.ID Framework APIHighest-level React framework abstraction for decentralized identity apps built on Ceramic. Wraps the core,...FumadocsFumadocs is an open-source documentation framework built on Next.js and React for creating fast, modern dev...Apache Mesos Scheduler HTTP APIThe Mesos Scheduler HTTP API at /api/v1/scheduler enables framework schedulers to subscribe to resource off...AG2 Python FrameworkCore open-source Python library for building agentic AI applications. Provides ConversableAgent, AssistantA...Port Ocean Integration FrameworkOpen-source framework used to build Port integrations that ingest data from third-party systems into the ca...
Emerging 28 Early or largely undocumented
Agno Python FrameworkOpen-source Python framework for building agents with memory, knowledge, and tools. Provides Agent, Team, W...Nitric API ResourceSDK resource for declaring HTTP APIs and routes in code. Nitric provisions the API gateway (e.g. AWS API Ga...Nitric Bucket ResourceSDK resource for declaring object/file storage buckets with read, write, delete, signed URLs, and bucket-ev...Nitric Key-Value ResourceSDK resource for declaring key-value stores with get, set, delete, and query operations. Nitric maps it to ...Nitric Queue ResourceSDK resource for declaring durable message queues for batch and deferred processing. Nitric maps it to a cl...Nitric Schedule ResourceSDK resource for declaring time-based and cron schedules in code. Nitric provisions the underlying schedule...Nitric Secret ResourceSDK resource for declaring and accessing secrets with versioning. Nitric maps it to a cloud secrets manager...Nitric SQL Database ResourceSDK resource for declaring managed relational (Postgres) databases with migrations. Nitric provisions the c...Nitric Topic ResourceSDK resource for declaring publish/subscribe topics for event-driven architectures. Nitric provisions the c...Nitric Websocket ResourceSDK resource for declaring realtime bidirectional websocket endpoints with connect, disconnect, and message...Nuxt.jsThe intuitive Vue framework for building full-stack web applications with Vue.js. Nuxt provides server-side...Vue.js Core APICore Vue.js composition and options API for building reactive user interfaces. Provides reactivity primitiv...FastMCP ServerThe FastMCP Server is the Python entry point for exposing tools, resources, prompts, and apps to any Model ...Superduper FrameworkOpen-source Python framework (superduper-framework) for declaring AI models, embeddings, vector indexes, RA...dbkit APIdbkit is a web application framework developed by the KIT Library that provides both an API interface and a...Angular Core APIThe Angular Core API provides the fundamental building blocks of the Angular framework including components...Lura FrameworkThe Lura Framework is an open-source Go library for building ultra-high-performance API gateways with middl...Angular 14 Core APICore Angular 14 framework APIs including components, directives, pipes, dependency injection, and change de...Angular 15 Core APICore Angular 15 framework APIs including stable standalone components, directive composition API, image opt...Angular 17 Core APICore Angular 17 framework APIs featuring stable Signals for reactive state management, deferrable views (@d...Angular 18 Core APICore Angular 18 framework APIs featuring experimental zoneless change detection, stable deferrable views an...Angular 20 Core APICore Angular 20 framework APIs with all fundamental reactivity primitives graduated to stable: signal, effe...Socket.IOA widely deployed open-source realtime engine for Node.js (with clients across JavaScript, Java, Swift, Kot...Llama StackOpen-source framework standardizing the building blocks for Llama-based generative AI applications, includi...AngularJS Core APIThe AngularJS (Angular.js, version 1.x) core framework API for building dynamic single-page web application...Connexion Python FrameworkConnexion is a contract-first Python web framework that loads an OpenAPI specification and routes requests ...ExpressExpress is a minimal and flexible Node.js web application framework that provides a robust set of features ...SST FrameworkThe SST framework is an open source CLI and component library distributed via npm (`sst`) and as a Go-based...
Minimal 1 Almost no public developer surface
Score breakdown
Frequency
53.1
log-scaled weighted occurrences
Breadth
1.7
spread across providers
Quality lift
32.9
mean composite of providers using it
Cohesion
0.0
strength of nearest seed neighbor
Related tags
Dependency Injection 9 co-occurrences
Single Page Application 7 co-occurrences
Web Development 9 co-occurrences
Typed Forms 6 co-occurrences
Guards 6 co-occurrences
Reactive Forms 6 co-occurrences
SSR 6 co-occurrences
Directives 6 co-occurrences
Where this tag comes from
Api tag52
Provider tag38
Openapi tag2
Openapi op tag6
Cohort brief
Auto-generatedThe 63 providers in the APIs.io catalog tagged Framework, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.
Providers
63
all scored
Mean Kin Score
27.3
+6.6 vs catalog 20.7
Mean Agent Readiness
12.5
+2.8 vs catalog 9.7
Spread
5.2–66.6
median 25.8 · σ 14.8
How the 63 split by band
Exemplar 1Strong 5Developing 4Thin 21Emerging 27Minimal 5
Facet averages, against the whole catalog
| Facet | This cohort | Catalog | Difference | Scored |
|---|---|---|---|---|
| Operational Transparency | 25.6 | 11.3 | +14.3 | 63 |
| Contract Quality | 26.2 | 17.5 | +8.7 | 63 |
| Discoverability | 66.6 | 60.4 | +6.2 | 63 |
| Developer Ergonomics | 24.1 | 17.9 | +6.2 | 63 |
| Contract Governance | 8.9 | 6.4 | +2.5 | 63 |
| Access Clarity | 24.4 | 22.3 | +2.1 | 63 |
A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.
What this cohort publishes
| Artifact | This cohort | Catalog | Difference |
|---|---|---|---|
| MCP server (any) | 6% | 16% | -10 |
| MCP server (first-party) | 2% | 7% | -5 |
| Agent Skills | 0% | 0% | 0 |
| OAuth scopes | 5% | 9% | -4 |
| Security | 95% | 88% | +7 |
| Arazzo workflows | 6% | 2% | +4 |
| Governance rules | 30% | 13% | +17 |
mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.
Top by Kin Score
- 1 Novu 66.6
- 2 anecdotes 65.4
- 3 Arcade 60.8
- 4 Shopify 60.4
- 5 Datadog 57.1
- 6 Encore 55.8
- 7 PydanticAI 51.2
- 8 Android 48.6
- 9 Spring Framework 42.5
- 10 Medusa 40.7
All 63 members of this roster resolve to a scored provider in
the catalog.Generated from the catalog build of
25 August 2026, across 26891
providers, using the same computation served by the
APIs.io cohort API. Briefs are published for rosters of
5 or more scored providers; below that a distribution is not meaningful.
Work with this as data
Every tag here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for tags
7 MCP tools reach this
find_tagsBrowse and filter every tag in the catalog.get_cohortThis tag as a scored cohort — every provider carrying it, with scores.cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This tag
curl "https://apis.io/api/v1/tags/framework"
All tags
curl "https://apis.io/api/v1/tags?limit=25"
As a scored cohort
curl "https://apis.io/api/v1/cohorts/tag/framework"
The distribution (Pro)
curl "https://apis.io/api/v1/cohorts/tag/framework/stats" \
-H "X-API-Key: $APIS_IO_KEY"Discovery needs no key. Ratings and market analysis are Pro.