CharacterQuilt

CharacterQuilt is an AI-native marketing infrastructure company (Y Combinator Spring 2026) building computer-use agents that design and deploy enterprise marketing campaigns end-to-end. Marketing teams submit a brief and CharacterQuilt's agents handle audience segmentation, on-brand creative generation, brand validation, and direct deployment into existing tools such as HubSpot, Marketo, WordPress, and LinkedIn — collapsing work that once took multiple agencies, ten tools, and six weeks into roughly an hour. Alongside the product, CharacterQuilt publishes a public, machine-readable brand-profiles data surface at /branding/.json: colors, typography, logos, components, and personality extracted from thousands of companies' live websites, intended for agents, designers, and AI tools. Founded by Bhairav Mehta (CEO) and Clint Burgess and based in San Francisco.

CharacterQuilt publishes 2 APIs on the APIs.io network: Branding API and Discovery API. Tagged areas include Company, Marketing, Artificial Intelligence, AI Agents, and Marketing Automation.

CharacterQuilt’s developer surface includes engineering blog, pricing, signup flow, support, authentication, and 19 more developer resources.

🌐 Visit website 📡 Source on GitHub

46.9/100 developing ▲ 12.9 Agent 36/100 agent ready Full breakdown ↓
scored 2026-08-17 · rubric v0.11.0

3 APIs 1 MCP Servers

CompanyMarketingArtificial IntelligenceAI AgentsMarketing AutomationCampaign ManagementBrand IdentityComputer Use AgentsY CombinatorDataMCP

Kin Score

Kin Score How this is scored →
scored 2026-08-17 · rubric v0.11.0

Composite quality — 46.9/100 · developing

Contract Quality 14.0 / 25

Developer Ergonomics 5.2 / 20

Commercial Clarity 15.3 / 20

Operational Transparency 0.7 / 13

Governance 2.5 / 12

Discoverability 9.3 / 10

Agent readiness — 36/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

MCP Server 12 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 5 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

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

APIs 3

Individual APIs this provider publishes, each with its own machine-readable definition.

MCP Servers 1

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

Rate Limits 1

Documented rate limits and quota policies.

Scopes 1

OAuth scopes governing access to this provider's APIs.

Characterquilt Scopes

OAuth 2.0 · no documented scopes

0 scopes

SCOPES

Resources

Get Started 1

Portal, sign-up, and the first successful call

SignUp

SignUp

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

MCPServer

LLMsTxt

WellKnown

AgentSkill

Design & Contract 3

Pagination, idempotency, versioning, errors, and events

Conventions

Conventions

Conformance

Conformance

Lifecycle

Lifecycle

Build 3

SDKs, sample code, and the tooling you integrate with

ToolCrosswalk

ToolCrosswalk

Packages

Packages

GitHubOrganization

GitHubOrganization

Access & Security 3

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

OAuthScopes

OAuthScopes

Operate 2

Status, limits, changes, and where to get help

Support

Support

RateLimits

RateLimits

Commercial 4

Pricing, plans, and the legal terms of use

Pricing

TermsOfService

PrivacyPolicy

Plans

Company 4

The organization behind the API

Website

Website

Blog

Blog

LinkedIn

Twitter

Twitter

Source (apis.yml)

aid: characterquilt
name: CharacterQuilt
description: 'CharacterQuilt is an AI-native marketing infrastructure company (Y Combinator Spring 2026) building computer-use
  agents that design and deploy enterprise marketing campaigns end-to-end. Marketing teams submit a brief and CharacterQuilt''s
  agents handle audience segmentation, on-brand creative generation, brand validation, and direct deployment into existing
  tools such as HubSpot, Marketo, WordPress, and LinkedIn — collapsing work that once took multiple agencies, ten tools, and
  six weeks into roughly an hour. Alongside the product, CharacterQuilt publishes a public, machine-readable brand-profiles
  data surface at /branding/<slug>.json: colors, typography, logos, components, and personality extracted from thousands of
  companies'' live websites, intended for agents, designers, and AI tools. Founded by Bhairav Mehta (CEO) and Clint Burgess
  and based in San Francisco.'
url: https://raw.githubusercontent.com/api-evangelist/characterquilt/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- y-combinator
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
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-08-13'
image: https://cdn.prod.website-files.com/678e847c65f5a9cc363424b0/68d6b1531e1346581672508b_Open%20Graph%20Image.jpg
tags:
- Company
- Marketing
- Artificial Intelligence
- AI Agents
- Marketing Automation
- Campaign Management
- Brand Identity
- Computer Use Agents
- Y Combinator
- Data
- MCP
apis:
- aid: characterquilt:characterquilt-branding-api
  name: CharacterQuilt Branding API
  description: The Branding API from CharacterQuilt — 2 operation(s) for branding.
  humanURL: https://www.characterquilt.com/llms.txt
  baseURL: https://www.characterquilt.com
  tags:
  - Branding
  properties:
  - type: OpenAPI
    url: openapi/characterquilt-branding-api-openapi.yml
  - type: LLMsTxt
    url: llms/characterquilt-llms.txt
  - type: ErrorCatalog
    url: errors/characterquilt-problem-types.yml
  - type: DataModel
    url: data-model/characterquilt-data-model.yml
  - type: Overlay
    url: overlays/characterquilt-branding-api-overlay.yaml
- aid: characterquilt:characterquilt-discovery-api
  name: CharacterQuilt Discovery API
  description: The Discovery API from CharacterQuilt — 1 operation(s) for discovery.
  humanURL: https://www.characterquilt.com/llms.txt
  baseURL: https://www.characterquilt.com
  tags:
  - Discovery
  properties:
  - type: OpenAPI
    url: openapi/characterquilt-discovery-api-openapi.yml
  - type: LLMsTxt
    url: llms/characterquilt-llms.txt
  - type: ErrorCatalog
    url: errors/characterquilt-problem-types.yml
  - type: DataModel
    url: data-model/characterquilt-data-model.yml
  - type: Overlay
    url: overlays/characterquilt-discovery-api-overlay.yaml
- aid: characterquilt:characterquilt-mcp-server
  name: CharacterQuilt MCP Server
  description: 'CharacterQuilt''s hosted Model Context Protocol server, the agent-facing surface of its marketing agent runtime.
    Live and OAuth-protected at https://mcp.characterquilt.com/api/mcp: an anonymous request returns HTTP 401 with a spec-correct
    RFC 9728 challenge pointing at published protected-resource metadata, which declares bearer-header auth and five scopes
    — read:design_brain, write:generated_artifacts, publish:public_file, read:agent_work and write:agent_work. The tool list
    is auth-gated, so no tool names are recorded. CharacterQuilt publishes no documentation for this surface; it was found
    by DNS enumeration and confirmed by the server''s own metadata and by the company''s engineering job posting, which names
    "the API, CLI, and MCP surfaces around our agent runtime".'
  humanURL: https://www.characterquilt.com
  baseURL: https://mcp.characterquilt.com
  tags:
  - MCP
  - AI Agents
  - Marketing Automation
  properties:
  - type: MCPServer
    url: mcp/characterquilt-mcp.yml
  - type: ToolCrosswalk
    url: mcp/characterquilt-tool-crosswalk.yml
  - type: OAuthScopes
    url: scopes/characterquilt-scopes.yml
  - type: Authentication
    url: authentication/characterquilt-authentication.yml
common:
- type: MCPServer
  url: mcp/characterquilt-mcp.yml
- type: Website
  url: https://www.characterquilt.com
- type: LLMsTxt
  url: https://www.characterquilt.com/llms.txt
- type: Blog
  url: https://www.characterquilt.com/blog
- type: Pricing
  url: https://www.characterquilt.com/pricing
- type: SignUp
  url: https://cal.com/clintvburgess/website-demo-request
- type: TermsOfService
  url: https://www.characterquilt.com/terms
- type: PrivacyPolicy
  url: https://www.characterquilt.com/privacy
- type: Support
  url: mailto:hello@characterquilt.com
- type: DomainSecurity
  url: security/characterquilt-domain-security.yml
- type: WellKnown
  url: well-known/characterquilt-well-known.yml
- type: Authentication
  url: authentication/characterquilt-authentication.yml
- type: OAuthScopes
  url: scopes/characterquilt-scopes.yml
- type: ToolCrosswalk
  url: mcp/characterquilt-tool-crosswalk.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Conventions
  url: conventions/characterquilt-conventions.yml
- type: Conformance
  url: conformance/characterquilt-conformance.yml
- type: Lifecycle
  url: lifecycle/characterquilt-lifecycle.yml
- type: RateLimits
  url: rate-limits/characterquilt-rate-limits.yml
- type: Plans
  url: plans/characterquilt-plans-pricing.yml
- type: Packages
  url: packages/characterquilt-packages.yml
- type: GitHubOrganization
  url: https://github.com/characterquilt
- type: LinkedIn
  url: https://www.linkedin.com/company/characterquilt/
- type: Twitter
  url: https://twitter.com/characterquilt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
x-enrichment:
  date: '2026-08-13'
  status: enriched
  artifacts_added: 19
  pass: local-v1
  note: 'Round 2. Found a live hosted MCP server at https://mcp.characterquilt.com/api/mcp that round 1 missed — OAuth-protected,
    with real RFC 9728 protected-resource metadata and five published scopes — plus a provider-published Agent Skill in the
    company''s GitHub org. Still no OpenAPI anywhere: all spec paths 404 on both hosts, and api./app./docs. subdomains do
    not resolve.'

CharacterQuilt

Kin Score

APIs 3

CharacterQuilt Branding API

CharacterQuilt Discovery API

CharacterQuilt MCP Server

Open Collections 3

API Collection

CharacterQuilt Brand Profiles Branding API

CharacterQuilt Brand Profiles Branding Discovery API

MCP Servers 1

characterquilt-mcp.yml

Pricing Plans 1

Characterquilt Plans Pricing