Index

Index is the company behind Alloy (alloy.app), an AI-native product-planning and prototyping platform that lets product managers turn any live web app into a pixel-perfect, editable prototype in seconds and ship experiments on real data instead of static mock-ups. Founded by Simon Kubica (ex-Atlassian) and Christian Iacullo (ex-Canva), the company was originally launched as "Index" at index.inc and has since rebranded the product to Alloy. It unifies customer feedback, engineering execution (deep Linear and Jira integration), and design mocks into one workspace of whiteboards, tables, boards, and roadmaps, and exposes an Alloy MCP server so assistants like Claude and Codex can read session design, chat, and code context to accelerate developer handoff. Index is a seed-stage company backed by Bain Capital Ventures. This profile was added to the API Evangelist network as a portfolio-lead stub and enriched from public developer and security surfaces.

Index is profiled on the APIs.io network. Tagged areas include Company, Ai Apps, Product Management, Product Planning, and Prototyping.

Index’s developer surface includes documentation, getting-started guide, pricing, signup flow, engineering blog, support, changelog, and 12 more developer resources.

🌐 Visit website 📡 Source on GitHub

31.3/100 thin ▬ flat Agent 12/100 human only Full breakdown ↓
scored 2026-07-28 · rubric v0.5

0 APIs 1 MCP Servers

CompanyAi AppsProduct ManagementProduct PlanningPrototypingRoadmappingCustomer FeedbackDeveloper ToolsMCPLinear

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.5

Composite quality — 31.3/100 · thin

Contract Quality 0.0 / 25

Developer Ergonomics 7.0 / 20

Commercial Clarity 12.1 / 20

Operational Transparency 5.5 / 13

Governance 0.0 / 12

Discoverability 6.8 / 10

Agent readiness — 12/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 12 / 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

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/index: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Get Started 2

Portal, sign-up, and the first successful call

GettingStarted

GettingStarted

SignUp

SignUp

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

MCPServer

MCPServer

LLMsTxt

LLMsTxt

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Lifecycle

Lifecycle

Access & Security 5

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Security

Security

VulnerabilityDisclosure

VulnerabilityDisclosure

TrustCenter

TrustCenter

Compliance

Compliance

Operate 3

Status, limits, changes, and where to get help

Support

Support

StatusPage

StatusPage

ChangeLog

ChangeLog

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: index
name: Index
description: Index is the company behind Alloy (alloy.app), an AI-native product-planning and prototyping platform that lets
  product managers turn any live web app into a pixel-perfect, editable prototype in seconds and ship experiments on real
  data instead of static mock-ups. Founded by Simon Kubica (ex-Atlassian) and Christian Iacullo (ex-Canva), the company was
  originally launched as "Index" at index.inc and has since rebranded the product to Alloy. It unifies customer feedback,
  engineering execution (deep Linear and Jira integration), and design mocks into one workspace of whiteboards, tables, boards,
  and roadmaps, and exposes an Alloy MCP server so assistants like Claude and Codex can read session design, chat, and code
  context to accelerate developer handoff. Index is a seed-stage company backed by Bain Capital Ventures. This profile was
  added to the API Evangelist network as a portfolio-lead stub and enriched from public developer and security surfaces.
url: https://raw.githubusercontent.com/api-evangelist/index/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- bain-capital-ventures
x-tier: stub
x-tier-reason: portfolio-lead
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://alloy.app/static/nextjs-alloy/_next/static/media/og-cover.698c36ae.png
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-19'
tags:
- Company
- Ai Apps
- Product Management
- Product Planning
- Prototyping
- Roadmapping
- Customer Feedback
- Developer Tools
- MCP
- Linear
apis: []
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DomainSecurity
  url: security/index-domain-security.yml
- type: Website
  url: https://alloy.app
- type: Documentation
  url: https://alloy.app/guide
- type: GettingStarted
  url: https://alloy.app/guide
- type: Pricing
  url: https://alloy.app/pricing
- type: SignUp
  url: https://alloy.app/planning/start
- type: TermsOfService
  url: https://alloy.app/legal/terms
- type: PrivacyPolicy
  url: https://alloy.app/legal/privacy
- type: Blog
  url: https://alloy.app/blog
- type: Support
  url: https://alloy.app/contact
- type: StatusPage
  url: https://indexstatus.com
- type: ChangeLog
  url: https://alloy.app/launches
- type: Lifecycle
  url: lifecycle/index-lifecycle.yml
- type: MCPServer
  url: mcp/index-mcp.yml
- type: LLMsTxt
  url: llms/index-llms.txt
- type: Security
  url: https://alloy.app/security
- type: VulnerabilityDisclosure
  url: security/index-vulnerability-disclosure.yml
- type: TrustCenter
  url: security/index-trust-center.yml
- type: Compliance
  url: https://alloy.app/security
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence

Index

Kin Score

MCP Servers 1

index-mcp.yml

Security Posture 3

Index Domain Security

Index Vulnerability Disclosure

Index Trust Center

Resources