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MCP / Reference

Read the right contract.

Use focused tools and stable resources to build from the catalog, check compatibility, and keep your agent’s context current.

Tools
14
Resources
10

What agents can do

Focused MCP tools

Every tool returns readable text plus validated structured content, grounded in the same catalog, docs, web and native source, tokens, and rules the packages ship.

lumen_check_compatibility

Compare resolved installed versions before applying catalog contracts.

lumen_get_migration

Read v4 migration guidance and package-specific review decisions without changing files.

lumen_list_components

List every component with its framework availability and recipe membership. Filter by framework, recipe, or a name query.

lumen_get_component

Return framework-specific imports, styles, props or attributes, examples, accessibility behavior, events, and optional source.

lumen_list_native_components

List native components with React Native, SwiftUI, and Compose availability, accessibility, category, and contract tier.

lumen_get_native_component

Return native install and setup steps, imports, API rows, examples, accessibility guidance, and optional adapter source.

lumen_get_recipe

Return a recipe’s purpose, categories, components, files, and framework-specific install command.

lumen_search

Rank natural-language matches across web or native platform contracts, recipes, tokens, and rules.

lumen_get_meta

Return the schema version, package versions, component count, and deterministic catalog hash.

lumen_get_catalog_manifest

Return stable fingerprints for every web component, native component, and recipe.

lumen_diff_catalog

Compare a retained manifest with the current catalog and identify exactly which entries changed.

lumen_diagnose

Verify snapshot integrity and report web framework plus native platform coverage.

lumen_get_tokens

Return semantic token names, base color values, glass tokens, and the theme attribute for generated code.

lumen_get_rules

Return the Lumen agent rules (llms.txt) to read before producing Lumen code.

Stable context

Browsable MCP resources

Clients can read or cache stable catalog context without calling a tool. Component and recipe templates are enumerable and support name completion.

lumen://meta

Snapshot provenance, package versions, and deterministic catalog hash.

lumen://catalog-manifest

Stable web, native, and recipe fingerprints for change detection.

lumen://diagnostics

Snapshot integrity checks and web plus native coverage.

lumen://rules

Agent generation rules as Markdown.

lumen://tokens

Structured semantic, color, glass, and theme tokens.

lumen://components

Compact structured component catalog.

lumen://components/{name}

One component’s metadata and default Astro usage.

lumen://native-components

Native component catalog with platform availability.

lumen://native-components/{name}

One native component’s metadata and platform usage.

lumen://recipes/{name}

Recipe metadata and framework install commands.

How agents use it

Discover, read, and stay on-system

Start compact, read the target framework or platform usage contract, and request full source only when the imports, examples, accessibility notes, and API rows are insufficient.

  1. 01

    Verify the snapshot

    lumen_get_meta identifies the snapshot and lumen_diagnose verifies web and native coverage.

  2. 02

    Check installed versions

    lumen_check_compatibility compares resolved versions; use installed types when the catalog differs.

  3. 03

    Discover

    The agent lists web or native components, or searches with a target framework or platform.

  4. 04

    Read target usage

    The matching get tool returns installation, setup, imports, API, examples, accessibility, and runtime guidance.

  5. 05

    Compose a recipe

    lumen_get_recipe explains multi-component patterns and gives the correct framework install command.

  6. 06

    Track changes

    Retain lumen://catalog-manifest and compare it after upgrades to refresh only contracts that changed.

All documentationWeb and native guides