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Perture

Marlan Yokomiso v0.8.26

Build and manage your brand.

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From the developer

Declared capabilities

  • Read
  • Write

Declared limitations

  • A general CSS explanation should not invoke brand-specific tools.
  • A generic design request with no connected brand should not invoke Perture.
  • A simple translation is unrelated to Perture's brand tools.
  • Account secrets are outside the Brand Page editor workflow.

Not specified in the available declarations: pricing & account requirements.

Onboarding example

Use my selected Perture brand to plan an on-brand interface after checking its readiness.
Sources & dates

Developer declarations; not independently tested. Listing last checked Nov 6, 2026. Package observed Nov 6, 2026.

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Description

From the marketplace listing

Connect ChatGPT and Codex to your Perture Brand Pages: approved colors, typography, logos, visual references, interface components and output guidance. Build and review brand-aware work with the current Perture skill and its bundled validation resources. On supported coding hosts, local checks help verify source and rendered interfaces. Authorized owners can explicitly request scoped Brand Page edits, component and variant authoring, file uploads and agent/Figma sync settings. Requires an eligible Perture account; editing availability depends on account permissions. Generated source submitted for remote verification and selected files for upload are sent to Perture over HTTPS. Unrelated repository files stay local. Draft edits, Brand Release publication, saving Works and deployment are separate actions that require the user's corresponding request.

Language: English · Automatically detected from descriptions.

What changed

· 3 observations

Positioning & listing

Logo url dark changed from “https://files.openai.com/content?id=file_0000000045f8820e863620e84806a3aa” to “https://files.openai.com/content?id=file_00000000dd7c820e821a97b5cbf722f8”. Privacy policy url changed from “https://app.perture.co/privacy” to “https://perture.co/privacy”. Terms of service url changed from...

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Technical updates · 1

Package or technical metadata updated

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Keywords

Files & skills

File archives

Plugin package22 files · 157 KBBrowse files →
Skill instructions
perture19.8 KB

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---
name: perture
description: Use a connected Perture brand for local frontend work, external host outputs, or explicitly requested Brand Page edits.
---

# Perture Design Agent

Use Perture as the source of brand intent and the local repository as the source
of implementation context. Preserve the user's product behavior, content,
permissions and chosen architecture.

## Select one mode

- **External output**: the user asks another host such as Sites, Canva or
  ChatGPT to create a page, design or document using Perture Brand Page
  references. Use the read-only reference workflow below. A page created in
  Sites is an external output even though its result is frontend UI.
- **Build**: the user asks to create or change frontend UI in a local
  repository. Read
  [references/build.md](references/build.md).
- **Review**: the user asks whether existing UI follows the Perture brand. Read
  [references/review.md](references/review.md). Repository access stays
  read-only.
- **Fix**: the user asks to repair Perture findings. Read
  [references/fix.md](references/fix.md).
- **Brand Editor**: the Pro owner asks to add or edit Brand Page colors,
  typography, logos, fonts, illustrations, spacing or rounding. Read
  [references/brand-editor.md](references/brand-editor.md). This mode does not
  require a frontend repository or `prepare_ui_change`.

Build includes a scoped post-build review only when `automatic_reviews` is
enabled in the returned account behavior. Its safe repair loop also requires
`automatic_corrections`. Do not treat either automation as authorization for
unrelated cleanup. If the request is ambiguous between Review and Fix, begin
with Review and obtain authorization before any edit.

For Build, Review and Fix modes that run deterministic checks, read
[references/local-validation.md](references/local-validation.md) before running
the bundled validator.

## External output workflow

1. Use the connected Perture app to call `list_brands`, select the exact brand
   with `set_active_brand`, and retain its `brand_lock_token`.
2. Before invoking Sites, another generator, or writing output source, call
   `preflight_brand_output` with the exact output type. Include every capability
   explicitly requested by the user in `required_capabilities` (for example
   `illustration`, `photography`, `iconography` or `pattern`). A `blocked` result
   ends generation: report its short `blocked_reasons` and ask the brand owner
   to complete those Brand Page fields. Do not invent a missing style, use an
   unrelated asset, choose a different brand, or try a generic host fallback.
   The allowed hex list is exact; deriving lighter or darker shades is not
   authorized. A `ready` result with `visual_authorized: false` permits only
   an output without a new visual; `illustration_authorized: false` never
   permits drawing a new illustration or substituting an unrelated asset.
   Follow `visual_execution` when it is present. `official_asset` allows only
   the mapped image unchanged. `generate_from_references` requires a new
   original image guided by the returned reference images; those images are
   inputs, not finished assets. If image generation cannot use the references
   as visual inputs, stop and report the missing capability. A CSS product
   mockup does not fulfill a required illustration.
   This is a deterministic check before model-heavy generation,
   not a second model review. If this tool is unavailable, stop and report an
   incompatible Perture MCP version.
3. On `ready`, call `get_brand_reference_for_output` once with the actual output
   type, logo background and available space. It includes the output guidance,
   complete color list, logo choice and visual references. Use only the returned
   official assets and brand guidance. Call `get_output_reference` only if a
   specific field is absent from this package. For frontend work, call
   `plan_brand_interface` once with every meaningful role:
   controls, containers, 

Preview of the first 4,000 characters. Read full instructions →

Referenced files: 13 — file references are metadata, not package contents.

Release notes

Update to the completed Perture skill with its supporting references and local validation scripts. Add explicit Pro Brand Page authoring and settings capabilities. The MCP catalog exposes individually named operations for snapshot items, sections, guidance, Interface System components/variants, uploads and legacy logo reconciliation, with corrected overwrite annotations. Read access remains scoped; editing requires Pro ownership, exact brand selection, OAuth write authorization, version checks and verified saves. Existing walkthrough covers brand-context reads; editor test cases are provided separately.

Declared in the saved package. Remote tools may change independently.

Package details

Publisher declarations from the archived package. These are separate from our research and the live service's terms.

Package license
UNLICENSED
Package author
Marlan Yokomiso
Keywords
See keywords
Commerce declaration
Does not support commerceThis does not establish whether access is free or paid.
Review scenarios
8 positive · 4 negativeScenario counts, not test results.

Declared capabilities

  • Read
  • Write

Package observed Nov 6, 2026.

Technical details
First seen
Oct 29, 2026 · 18:00 UTC
Last seen
Nov 6, 2026 · 18:00 UTC
Latest observed change
Nov 2, 2026 · 18:11 UTC
Collection status
Collected

plugin_asdk_app_6acac485f3648191a034ab7764e51198

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