Files
Oleg Isonen dde30ffb54 feat: Improve MCP authoring, compact output, and agent onboarding (#5883)
## Summary

This improves how agents discover, author, inspect, and verify Webstudio
projects while reducing unnecessary MCP context usage.

## What changed

- Adds an **Agents** section to Project Settings with ready-to-run setup
commands and client configuration for Claude Code, Codex, Cursor, and VS
Code.
- Makes large list and schema responses compact and paginated by
default, with **verbose** available when complete records or diagnostics
are needed.
- Applies consistent compact output to assets, instances, styles, design
tokens, CLI schemas, and project-session metadata.
- Returns actionable expression warnings for props, resources, and
Collection bindings, including unknown variables and risky render-time
mutation resources.
- Improves Collection expression guidance so agents can bind array items
with the correct scoped variables.
- Reports rendered audit outcomes explicitly as complete, partial,
confirmation-required, or failed.
- Expands runtime output schemas so MCP clients can validate responses
reliably.
- Strengthens the packaged CLI smoke workflow with a realistic
seven-page stdio MCP scenario.

## Architecture

- Consolidates `project-build` from 65 file-oriented entrypoints to 11
architecture-owned surfaces.
- Separates the core model, contracts, runtime authoring, transfer,
state, project sessions, MCP, visual tooling, persistence codecs, and
authenticated server services.
- Isolates Node-only JSX evaluation from browser-safe transfer utilities
and authenticated server modules.
- Keeps persistence codecs independent from authenticated database
services, preventing unrelated module initialization.
- Defines shared instance-path types once and reuses them across runtime
modules.
- Preserves Immer initialization through explicit package side-effect
metadata.
- Adds package tests that prevent a return to source-file entrypoints or
generic exposure of Node-only surfaces.

## Validation

- Full repository checks, tests, typechecks, generated-file checks, and
fixtures
- All 163 Builder test files and 2,141 tests
- All 71 project-build test files and 1,794 tests
- Lint and package-boundary validation
- Full packed CLI release smoke test, including install, preview, agent
setup, seven-page stdio MCP workflow, rendered audit, and structured
commands
2026-07-15 18:11:28 +02:00

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1.2 KiB
TypeScript

import { nativeClient } from "../trpc/trpc-client";
import { $project } from "../sync/data-stores";
import { isLikelyWebstudioJsxFragment } from "@webstudio-is/project-build/transfer";
import { pasteHandled, pasteIgnored, type Plugin } from "./copy-paste";
import { insertFragmentWithBreakpointWarning } from "./fragment-utils";
export const isLikelyWebstudioJsx = isLikelyWebstudioJsxFragment;
const handlePasteJsx = async (source: string) => {
if (isLikelyWebstudioJsx(source) === false) {
return pasteIgnored;
}
const project = $project.get();
if (project === undefined) {
return pasteIgnored;
}
try {
const fragment = await nativeClient.build.createJsxFragment.query({
projectId: project.id,
source,
});
insertFragmentWithBreakpointWarning(fragment);
return pasteHandled;
} catch (error) {
return {
success: false,
error:
error instanceof Error
? error.message
: "Could not paste Webstudio JSX fragment.",
} as const;
}
};
export const jsx: Plugin = {
name: "jsx",
mimeType: "text/plain",
onPaste: handlePasteJsx,
};
export const __testing__ = {
handlePasteJsx,
};