Ranger

Ranger is an AI-powered quality-assurance platform that lets coding agents verify their own work in a real browser. Its CLI (@ranger-testing/ranger-cli) sets up a project so an AI coding agent — Claude Code, OpenCode, Cursor, Codex, or any bash-capable agent — can run autonomous end-to-end feature reviews: creating scenarios, driving Chromium, self-maintaining broken tests, auto-scaling parallel browsers, and collecting screenshots, recordings, and traces as evidence, with results reviewed on a shared dashboard. Ranger is agent-native rather than a conventional REST API: it ships a Claude Code plugin (ranger@trailhead), Agent Skills installed to .claude/skills/, slash commands, hooks, and OAuth 2.0 / OpenID Connect authentication (login.ranger.net), with MCP-based auth delegation for managed agent platforms. Backed by General Catalyst and Homebrew.

Ranger is profiled on the APIs.io network. Tagged areas include Company, Quality Assurance, Testing, Browser Automation, and Artificial Intelligence.

Ranger’s developer surface includes documentation, getting-started guide, engineering blog, pricing, support, authentication, CLI, and 12 more developer resources.

🌐 Visit website 📡 Source on GitHub

29.0/100 emerging ▬ flat Agent 14/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

AccessSelf serve

0 APIs

CompanyQuality AssuranceTestingBrowser AutomationArtificial IntelligenceAgentsDeveloper ToolsDevOpsCLI

Kin Score

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

Composite quality — 29.0/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 11.7 / 20

Commercial Clarity 10.5 / 20

Operational Transparency 0.0 / 13

Governance 0.0 / 12

Discoverability 6.8 / 10

Agent readiness — 14/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 0 / 12

Machine-Readable Auth 10 / 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 4 / 4

Consent & Bot Identity 0 / 3

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/ranger: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal

DeveloperPortal

GettingStarted

GettingStarted

Login

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

WellKnown

WellKnown

LLMsTxt

LLMsTxt

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Lifecycle

Lifecycle

Build 3

SDKs, sample code, and the tooling you integrate with

Packages

Packages

SDKs

SDKs

CLI

CLI

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

TrustCenter

TrustCenter

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Company 2

The organization behind the API

Website

Website

Blog

Blog

Source (apis.yml)

aid: ranger
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/ranger.png
name: Ranger
description: 'Ranger is an AI-powered quality-assurance platform that lets coding agents verify their own work in a real browser.
  Its CLI (@ranger-testing/ranger-cli) sets up a project so an AI coding agent — Claude Code, OpenCode, Cursor, Codex, or
  any bash-capable agent — can run autonomous end-to-end feature reviews: creating scenarios, driving Chromium, self-maintaining
  broken tests, auto-scaling parallel browsers, and collecting screenshots, recordings, and traces as evidence, with results
  reviewed on a shared dashboard. Ranger is agent-native rather than a conventional REST API: it ships a Claude Code plugin
  (ranger@trailhead), Agent Skills installed to .claude/skills/, slash commands, hooks, and OAuth 2.0 / OpenID Connect authentication
  (login.ranger.net), with MCP-based auth delegation for managed agent platforms. Backed by General Catalyst and Homebrew.'
url: https://raw.githubusercontent.com/api-evangelist/ranger/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- general-catalyst
- homebrew
x-tier: stub
x-tier-reason: portfolio-lead
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-20'
tags:
- Company
- Quality Assurance
- Testing
- Browser Automation
- Artificial Intelligence
- Agents
- Developer Tools
- DevOps
- CLI
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/ranger-domain-security.yml
- type: Website
  url: https://www.ranger.net
- type: DeveloperPortal
  url: https://docs.ranger.net/
- type: Documentation
  url: https://docs.ranger.net/
- type: GettingStarted
  url: https://docs.ranger.net/getting-started/quickstart/
- type: Blog
  url: https://www.ranger.net/post/why-we-built-a-qa-agent-for-our-background-agent
- type: Pricing
  url: https://www.ranger.net/pricing
- type: Login
  url: https://login.ranger.net/
- type: TermsOfService
  url: https://www.ranger.net/terms-and-conditions
- type: PrivacyPolicy
  url: https://www.ranger.net/privacy-policy
- type: Support
  url: mailto:howdy@ranger.net
- type: Authentication
  url: authentication/ranger-authentication.yml
- type: WellKnown
  url: well-known/ranger-well-known.yml
- type: Packages
  url: packages/ranger-packages.yml
- type: SDKs
  url: packages/ranger-packages.yml
- type: CLI
  url: cli/ranger-cli.yml
- type: Lifecycle
  url: lifecycle/ranger-lifecycle.yml
- type: TrustCenter
  url: security/ranger-trust-center.yml
- type: LLMsTxt
  url: llms/ranger-llms.txt
x-enrichment:
  date: '2026-07-20'
  status: enriched
  artifacts_added: 8
  pass: local-v1