fix: lint

Fixed JSON syntax for mcpServers configuration.

.changeset/seven-breads-stay.md

@@ -0,0 +1,5 @@
+---
+'@sveltejs/mcp': patch
+---
+
+feat: suggest against js variables in css

.github/workflows/publish-mcp.yml

@@ -5,6 +5,7 @@ on:
     secrets:
       MCP_KEY:
         required: true
+  workflow_dispatch:
 
 jobs:
   publish-mcp:
@@ -19,12 +20,12 @@ jobs:
         env:
           MCP_KEY: ${{ secrets.MCP_KEY }}
         run: |
-          NAME=mcp-publisher_1.2.3_$(uname -s | tr '[:upper:]' '[:lower:]')_$(uname -m | sed 's/x86_64/amd64/;s/aarch64/arm64/').tar.gz
+          NAME=mcp-publisher_$(uname -s | tr '[:upper:]' '[:lower:]')_$(uname -m | sed 's/x86_64/amd64/;s/aarch64/arm64/').tar.gz
-          # Download MCP Publisher pinned to v1.2.3 using latest https for security and save it to a file named mcp-publisher.tar.gz
+          # Download MCP Publisher pinned to v1.3.3 using latest https for security and save it to a file named mcp-publisher.tar.gz
-          curl --proto '=https' --proto-redir '=https' --tlsv1.2 -fL "https://github.com/modelcontextprotocol/registry/releases/download/v1.2.3/$NAME" -O
+          curl --proto '=https' --proto-redir '=https' --tlsv1.2 -fL "https://github.com/modelcontextprotocol/registry/releases/download/v1.3.3/$NAME" -O
 
           # Verify the SHA256 checksum of the downloaded file
-          sha256sum --ignore-missing -c ./checksums/registry_1.2.3_checksums.txt
+          sha256sum --ignore-missing -c ./checksums/registry_1.3.3_checksums.txt
 
           # Extract the tarball
           mkdir tmp

apps/mcp-remote/package.json

@@ -64,7 +64,7 @@
 	"dependencies": {
 		"@sveltejs/mcp-schema": "workspace:^",
 		"@sveltejs/mcp-server": "workspace:^",
-		"@tmcp/transport-http": "^0.6.3",
+		"@tmcp/transport-http": "^0.7.0",
-		"tmcp": "^1.15.0"
+		"tmcp": "^1.15.1"
 	}
 }

apps/mcp-remote/src/lib/mcp/index.ts

@@ -3,4 +3,5 @@ import { HttpTransport } from '@tmcp/transport-http';
 
 export const http_transport = new HttpTransport(server, {
 	cors: true,
+	path: '/mcp',
 });

documentation/docs/20-setup/30-remote-setup.md

@@ -96,6 +96,27 @@ It will open a file with your MCP servers where you can add the following config
 }
 ```
 
+## GitHub Coding Agent
+
+- Open your repository in GitHub
+- Go to Settings
+- Open Copilot > Coding agent
+- Edit the MCP configuration
+
+```json
+{
+	"mcpServers": {
+		"svelte": {
+			"type": "http",
+			"url": "https://mcp.svelte.dev/mcp",
+			"tools": ["*"]
+		}
+	}
+}
+```
+
+- Click _Save MCP configuration_
+
 ## Other clients
 
 If we didn't include the MCP client you are using, refer to their documentation for `remote` servers and use `https://mcp.svelte.dev/mcp` as the URL.

packages/mcp-server/src/mcp/handlers/tools/svelte-autofixer.test.ts

@@ -0,0 +1,94 @@
+import { beforeEach, describe, expect, it } from 'vitest';
+import { server } from '../../index.js';
+
+/**
+ * Small utility to create a JSON-RPC request without having to always specify as const
+ */
+function request<const T>(request: T) {
+	return request;
+}
+
+async function autofixer_tool_call(code: string, is_error = false, desired_svelte_version = 5) {
+	const result = await server.receive({
+		jsonrpc: '2.0',
+		id: 2,
+		method: 'tools/call',
+		params: {
+			name: 'svelte-autofixer',
+			arguments: {
+				code,
+				desired_svelte_version,
+				filename: 'App.svelte',
+			},
+		},
+	});
+
+	expect(result).toBeDefined();
+	expect(result.result).toBeDefined();
+	if (is_error) {
+		return result.result;
+	}
+	expect(result.result.structuredContent).toBeDefined();
+	return result.result.structuredContent;
+}
+
+describe('svelte-autofixer tool', () => {
+	beforeEach(async () => {
+		const initialize_request = request({
+			jsonrpc: '2.0',
+			id: 1,
+			method: 'initialize',
+			params: {
+				protocolVersion: '2025-06-18',
+				capabilities: {
+					roots: { listChanged: true },
+				},
+				clientInfo: {
+					name: 'test-client',
+					version: '1.0.0',
+				},
+			},
+		});
+
+		await server.receive(initialize_request, {
+			sessionId: 'svelte-autofixer-session',
+		});
+	});
+
+	it('should add suggestions for js parse errors', async () => {
+		const content = await autofixer_tool_call(`<script>
+			$state count = 0;
+		</script>`);
+		expect(content.issues.length).toBeGreaterThan(0);
+		expect(content.suggestions).toContain(
+			"The code can't be compiled because a Javascript parse error. In case you are using runes like this `$state variable_name = 3;` or `$derived variable_name = 3 * count` that's not how runes are used. You need to use them as function calls without importing them: `const variable_name = $state(3)` and `const variable_name = $derived(3 * count)`.",
+		);
+	});
+
+	it('should add suggestions for css invalid identifier', async () => {
+		const content = await autofixer_tool_call(`<script>
+				let my_color = $state('red');
+			</script>
+							
+			<style>
+				.my-class {
+					color: {my_color};
+				}
+			</style>`);
+
+		expect(content.issues.length).toBeGreaterThan(0);
+		expect(content.suggestions).toContain(
+			"The code can't be compiled because a valid CSS identifier is expected. This sometimes means you are trying to use a variable in CSS like this: `color: {my_color}` but Svelte doesn't support that. You can use inline CSS variables for that `<div style:--color={my_color}></div>` and then use the variable as usual in CSS with `color: var(--color)`.",
+		);
+	});
+
+	it('should error in case the passed in version is different from 4 or 5', async () => {
+		const content = await autofixer_tool_call(`whatever`, true, 3);
+
+		expect(content.content).toBeDefined();
+		expect(content.content[0]).toBeDefined();
+		expect(content.content[0].text).toContain(
+			'The desired_svelte_version MUST be either 4 or 5 but received "3"',
+		);
+	});
+});

packages/mcp-server/src/mcp/handlers/tools/svelte-autofixer.ts

@@ -90,6 +90,10 @@ export function svelte_autofixer(server: SvelteMcp) {
 					content.suggestions.push(
 						"The code can't be compiled because a Javascript parse error. In case you are using runes like this `$state variable_name = 3;` or `$derived variable_name = 3 * count` that's not how runes are used. You need to use them as function calls without importing them: `const variable_name = $state(3)` and `const variable_name = $derived(3 * count)`.",
 					);
+				} else if (error.message.includes('css_expected_identifier')) {
+					content.suggestions.push(
+						"The code can't be compiled because a valid CSS identifier is expected. This sometimes means you are trying to use a variable in CSS like this: `color: {my_color}` but Svelte doesn't support that. You can use inline CSS variables for that `<div style:--color={my_color}></div>` and then use the variable as usual in CSS with `color: var(--color)`.",
+					);
 				}
 			}
 

packages/mcp-stdio/CHANGELOG.md

@@ -1,5 +1,11 @@
 # @sveltejs/mcp
 
+## 0.1.8
+
+### Patch Changes
+
+- fix: upgrade registry publisher cli ([`5fa2baa`](https://github.com/sveltejs/mcp/commit/5fa2baa27009f01e0e4e91cee7984b81a81c1c29))
+
 ## 0.1.7
 
 ### Patch Changes

packages/mcp-stdio/checksums/registry_1.2.3_checksums.txt

@@ -1,25 +0,0 @@
-4e7c92f289d903d4649c59f82df6e7b014caebb49d8b5c1d2466667fd6caf68c  mcp-publisher_1.2.3_darwin_amd64.tar.gz
-09637600871bec7cce25e098d6ce23b7c7577a8e537f618d24a5630d2d782afa  mcp-publisher_1.2.3_darwin_amd64.tar.gz.sbom.json
-9ac90d3182bae9af4b48fb3cd19c3cade3e52c8ea25d7aa14327326a209bcf71  mcp-publisher_1.2.3_darwin_arm64.tar.gz
-0b2cedf3f42c5a7b33bdd3f72ce7f4c938ff4fe2aca5cabd60094dc4b855c1f6  mcp-publisher_1.2.3_darwin_arm64.tar.gz.sbom.json
-868a54268f21580ec97ec9dfc4fc3442a7f69c241ee7c745c7032f2e43cdf47b  mcp-publisher_1.2.3_linux_amd64.tar.gz
-a7bce190ea1c1b5682d1b5069b20dd9c67f3688e02dbc93e7273e942097dac4d  mcp-publisher_1.2.3_linux_amd64.tar.gz.sbom.json
-319cdefb4c4f19fa35eeb0337e30be3169dbf3107a8c160651691a6342a6783b  mcp-publisher_1.2.3_linux_arm64.tar.gz
-bc9309ab843531e811990dcf637b9912c470fc38eddc13a5af0512fcef498944  mcp-publisher_1.2.3_linux_arm64.tar.gz.sbom.json
-298026e0252547046f50dcb7817239d44107f5a3ae64f4e43b6a31d0c5b89f9b  mcp-publisher_1.2.3_windows_amd64.tar.gz
-971b835ce4df2b37ddcf8591d4400dc94d1e3f730b181b325c905261b75b9e6e  mcp-publisher_1.2.3_windows_amd64.tar.gz.sbom.json
-64da67b451d0fba12f15f7b0f6ab8d71c718bb2263f90f198ff1fe15a5ff2024  mcp-publisher_1.2.3_windows_arm64.tar.gz
-f591b2153f1277cb67817763a23de9e77188fa94b893fac00e91d13160d696e3  mcp-publisher_1.2.3_windows_arm64.tar.gz.sbom.json
-265377b343500898e3c3fea798926ff2695fe7500c1225c8a97f390a5892d849  registry-1.2.3.tar.gz
-a9c03a84d2e30176d6ed7b493e7e3a8a05d446f1611a35bad6007fbe3ba80657  registry_1.2.3_darwin_amd64.tar.gz
-4db4e8a0b1f3d0ca193e5356fef89b74c0666cdf56d6f3c8fc2d0aba1cac3b55  registry_1.2.3_darwin_amd64.tar.gz.sbom.json
-2933a11990db16035e4896f394ada389166046911e6868f79b84636048dfe6fb  registry_1.2.3_darwin_arm64.tar.gz
-edd36e62f4b1c5b857da1862f20cbcf6dd3dfd9717888c08bd5c25740d8b11f6  registry_1.2.3_darwin_arm64.tar.gz.sbom.json
-59bdd9977795891220e6fdb8f79dd7d14f48166362e94699bee59e745f7c7df6  registry_1.2.3_linux_amd64.tar.gz
-7f7efb180aa312f674377e32a92ac3600e50c62e37d697d2d16acfe60227a2fd  registry_1.2.3_linux_amd64.tar.gz.sbom.json
-7fef1088a664850dd75e54a699fce6a5fb32e8ebbdc0d2869b6b34945727ba9c  registry_1.2.3_linux_arm64.tar.gz
-ca0488e5cbb04c8ee515e1b80e08b755a55d6af1784368a2f55e429137359a25  registry_1.2.3_linux_arm64.tar.gz.sbom.json
-5bc29310aacc08437dcc973cfc1e1129f7065d2050396012f5ed98c4eb0ea75b  registry_1.2.3_windows_amd64.tar.gz
-e918c604f23e6d33f9952f18eddf0e50e50d7ce3e87ca5258bf78f4f1da243ab  registry_1.2.3_windows_amd64.tar.gz.sbom.json
-394cad1e6f5e37a583defdd522edbff854de5035d6e025a195664db31b58c0c0  registry_1.2.3_windows_arm64.tar.gz
-c93df66f3257ba4b9c29f7bfded4cf04d712ec220b044ddfa019da3e4bd6475f  registry_1.2.3_windows_arm64.tar.gz.sbom.json

packages/mcp-stdio/checksums/registry_1.3.3_checksums.txt

@@ -0,0 +1,25 @@
+704f15b3ccba80990fbaaeb858e2e893120dea3ebb9340e04a36065987e089c5  mcp-publisher_darwin_amd64.tar.gz
+9eadadeb80998cd5b29e009dd3959634730d3754b9e201c0a3bb39dd6ae85933  mcp-publisher_darwin_amd64.tar.gz.sbom.json
+f80265eadc6b052d2885a7dfa47a1ecc7ca95926c143197ced747317793dcc11  mcp-publisher_darwin_arm64.tar.gz
+f063c462512eed8f2ce9610a6a125534cb552060ddb5364d8d49b32196416fbe  mcp-publisher_darwin_arm64.tar.gz.sbom.json
+1113b9d6bf59b000966c4f17752cf87b51db03dcc5482721421fd843ce3bf048  mcp-publisher_linux_amd64.tar.gz
+d3e46855b3b906aa84571b0d16384ad6074fd08709108a47d724908e91947b9d  mcp-publisher_linux_amd64.tar.gz.sbom.json
+34be13ec07490ab1250194d56820af222b49b85db6062ff848d33f9cf6eb41ce  mcp-publisher_linux_arm64.tar.gz
+a1ff3c26d53007c98301b747f97e5e241bfdb860b6a761db8627c9ba9ba71d88  mcp-publisher_linux_arm64.tar.gz.sbom.json
+9ba8b538744652c4837d08b7b83ae85d2dbea98c897cfcf4d90835df4fe075b3  mcp-publisher_windows_amd64.tar.gz
+924a0adcebd9360aed4ee5959e664e4e99b8259ed871ac91be5ace5657afba7d  mcp-publisher_windows_amd64.tar.gz.sbom.json
+a3eeab18ee6fd1d76d7ec153779ebe1bb404d7ea561f117781174e4396d90565  mcp-publisher_windows_arm64.tar.gz
+9351f3acc39f89402ce5f72be1b45f3bf1b16f8441c97496195188f276e6c227  mcp-publisher_windows_arm64.tar.gz.sbom.json
+9767b6f2afe1b60c597d4c66468d491be3466b25de8b4d4e7a21e61950856ef7  registry-1.3.3.tar.gz
+a7867ff2c15905a765dc77636d86241ea04a17d0a90f086913a3cea4fe899213  registry_darwin_amd64.tar.gz
+f0ed44b6ebdfcba40daefe7ca556f385de0cbae95dca3077c406f75cdb6abb9b  registry_darwin_amd64.tar.gz.sbom.json
+b4d93d6fc2d831d287cde79953822b434cb8406eea4f38f180628df227f6569e  registry_darwin_arm64.tar.gz
+dde0ed7f350eda98eb6f474d19aa0e4c717dd9f120609949acf05d7986cf6fcc  registry_darwin_arm64.tar.gz.sbom.json
+6772a573828f3482a192c88dac4223ee71ff4f521c8819480a194757e46a8272  registry_linux_amd64.tar.gz
+ac177354d5f43f86bdf7f36738837a2792ba136198209eb61d4d4dd9ab408853  registry_linux_amd64.tar.gz.sbom.json
+61c1fb9126977e0694d5aad8990a9d4c2d0e933e6aa469789559fad3865e8b7f  registry_linux_arm64.tar.gz
+9b81dfe2c81c49f7731072b8c217f05d609f7094ea94aaf9491f33880f2dec7f  registry_linux_arm64.tar.gz.sbom.json
+7fb5752de50a841614c6990f20807820bda33a72eaf7be51ae6cbd4e9acb2b87  registry_windows_amd64.tar.gz
+fd44139231d4725c75b2a5a96fb670d3137f628db91c8281f6348e842792d514  registry_windows_amd64.tar.gz.sbom.json
+a85ba7eb1a06a9e668b8a2097e00ab010e454a2afeb4e29ebeb7b702a31cccd3  registry_windows_arm64.tar.gz
+93503683d32a2971b741e87f2879cb2a3f41acd184c618e04d17a98926915f2d  registry_windows_arm64.tar.gz.sbom.json

packages/mcp-stdio/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@sveltejs/mcp",
-	"version": "0.1.7",
+	"version": "0.1.8",
 	"type": "module",
 	"license": "MIT",
 	"mcpName": "dev.svelte/mcp",

packages/mcp-stdio/server.json

@@ -8,13 +8,13 @@
 		"subfolder": "packages/mcp-stdio",
 		"source": "github"
 	},
-	"version": "0.1.7",
+	"version": "0.1.8",
 	"websiteUrl": "https://svelte.dev/docs/mcp/overview",
 	"packages": [
 		{
 			"registryType": "npm",
 			"identifier": "@sveltejs/mcp",
-			"version": "0.1.7",
+			"version": "0.1.8",
 			"runtimeHint": "npx",
 			"transport": {
 				"type": "stdio"

pnpm-lock.yaml

@@ -31,7 +31,7 @@ importers:
         version: 10.1.8(eslint@9.36.0(jiti@2.6.0))
       eslint-plugin-import:
         specifier: ^2.32.0
-        version: 2.32.0(eslint@9.36.0(jiti@2.6.0))
+        version: 2.32.0(@typescript-eslint/parser@8.44.1(eslint@9.36.0(jiti@2.6.0))(typescript@5.9.2))(eslint@9.36.0(jiti@2.6.0))
       eslint-plugin-svelte:
         specifier: ^3.12.3
         version: 3.12.4(eslint@9.36.0(jiti@2.6.0))(svelte@5.39.6)(ts-node@10.9.2(@types/node@24.5.2)(typescript@5.9.2))
@@ -69,11 +69,11 @@ importers:
         specifier: workspace:^
         version: link:../../packages/mcp-server
       '@tmcp/transport-http':
-        specifier: ^0.6.3
+        specifier: ^0.7.0
-        version: 0.6.3(tmcp@1.15.0(typescript@5.9.2))
+        version: 0.7.0(tmcp@1.15.1(typescript@5.9.2))
       tmcp:
-        specifier: ^1.15.0
+        specifier: ^1.15.1
-        version: 1.15.0(typescript@5.9.2)
+        version: 1.15.1(typescript@5.9.2)
     devDependencies:
       '@eslint/compat':
         specifier: ^1.3.2
@@ -1551,10 +1551,10 @@ packages:
   '@tmcp/session-manager@0.1.2':
     resolution: {integrity: sha512-hNkEeMt7/CdD8JdjPXMlIv5OMPTp5LnBqeo1Tb/AXcm31DpgwlNbf4voJ3CeWxWAZPPZ/MgHZ682TtgGhsvXiw==}
 
-  '@tmcp/transport-http@0.6.3':
+  '@tmcp/transport-http@0.7.0':
-    resolution: {integrity: sha512-GBU1elN9eqRYR6aU+hvFBX+Ivq5ouspREQBtQo1Av2JOfhxozbViXvZZyeyNAx+v6iprTkblI6Qm0ai/IdHQ8g==}
+    resolution: {integrity: sha512-JvLvi2ZM3xaBIZyxy6ssGtzlhL/5JvOkjWWymxkLi84vMK44pM5zCQVN1KXAfQqHbbDlYNR/BW39cd/eP3hylA==}
     peerDependencies:
-      tmcp: ^1.14.0
+      tmcp: ^1.15.1
 
   '@tmcp/transport-stdio@0.3.1':
     resolution: {integrity: sha512-r+eiHa2URw5+lBMRI0t4D84LfcWHam3DsTog/lPZSALIjlYxlFUfAaJ8dgh5gdQnmXiFJfE9hzmN0gIrB6+Lzw==}
@@ -3700,6 +3700,9 @@ packages:
   tmcp@1.15.0:
     resolution: {integrity: sha512-ell+gBSC7T5P7ogrROYsoohfLSAu0aXmKzWH8eZqkMX4K0iGc+BYJJC4kb60uJcK7PRZWBOktNGuOq1BLNFA6Q==}
 
+  tmcp@1.15.1:
+    resolution: {integrity: sha512-Mn2FZIcN6Vj/pJYda/Zv1t5Iv0vJIQDi+BRpcpBn9gNwID5bNtgMFOj+1LH3rkOJOTz9R78dIXSsJxDN5Vy90g==}
+
   to-regex-range@5.0.1:
     resolution: {integrity: sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==}
     engines: {node: '>=8.0'}
@@ -5287,10 +5290,11 @@ snapshots:
 
   '@tmcp/session-manager@0.1.2': {}
 
-  '@tmcp/transport-http@0.6.3(tmcp@1.15.0(typescript@5.9.2))':
+  '@tmcp/transport-http@0.7.0(tmcp@1.15.1(typescript@5.9.2))':
     dependencies:
       '@tmcp/session-manager': 0.1.2
-      tmcp: 1.15.0(typescript@5.9.2)
+      esm-env: 1.2.2
+      tmcp: 1.15.1(typescript@5.9.2)
 
   '@tmcp/transport-stdio@0.3.1(tmcp@1.15.0(typescript@5.9.2))':
     dependencies:
@@ -6105,16 +6109,17 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  eslint-module-utils@2.12.1(eslint-import-resolver-node@0.3.9)(eslint@9.36.0(jiti@2.6.0)):
+  eslint-module-utils@2.12.1(@typescript-eslint/parser@8.44.1(eslint@9.36.0(jiti@2.6.0))(typescript@5.9.2))(eslint-import-resolver-node@0.3.9)(eslint@9.36.0(jiti@2.6.0)):
     dependencies:
       debug: 3.2.7
     optionalDependencies:
+      '@typescript-eslint/parser': 8.44.1(eslint@9.36.0(jiti@2.6.0))(typescript@5.9.2)
       eslint: 9.36.0(jiti@2.6.0)
       eslint-import-resolver-node: 0.3.9
     transitivePeerDependencies:
       - supports-color
 
-  eslint-plugin-import@2.32.0(eslint@9.36.0(jiti@2.6.0)):
+  eslint-plugin-import@2.32.0(@typescript-eslint/parser@8.44.1(eslint@9.36.0(jiti@2.6.0))(typescript@5.9.2))(eslint@9.36.0(jiti@2.6.0)):
     dependencies:
       '@rtsao/scc': 1.1.0
       array-includes: 3.1.9
@@ -6125,7 +6130,7 @@ snapshots:
       doctrine: 2.1.0
       eslint: 9.36.0(jiti@2.6.0)
       eslint-import-resolver-node: 0.3.9
-      eslint-module-utils: 2.12.1(eslint-import-resolver-node@0.3.9)(eslint@9.36.0(jiti@2.6.0))
+      eslint-module-utils: 2.12.1(@typescript-eslint/parser@8.44.1(eslint@9.36.0(jiti@2.6.0))(typescript@5.9.2))(eslint-import-resolver-node@0.3.9)(eslint@9.36.0(jiti@2.6.0))
       hasown: 2.0.2
       is-core-module: 2.16.1
       is-glob: 4.0.3
@@ -6136,6 +6141,8 @@ snapshots:
       semver: 6.3.1
       string.prototype.trimend: 1.0.9
       tsconfig-paths: 3.15.0
+    optionalDependencies:
+      '@typescript-eslint/parser': 8.44.1(eslint@9.36.0(jiti@2.6.0))(typescript@5.9.2)
     transitivePeerDependencies:
       - eslint-import-resolver-typescript
       - eslint-import-resolver-webpack
@@ -7581,6 +7588,16 @@ snapshots:
     transitivePeerDependencies:
       - typescript
 
+  tmcp@1.15.1(typescript@5.9.2):
+    dependencies:
+      '@standard-schema/spec': 1.0.0
+      json-rpc-2.0: 1.7.1
+      sqids: 0.3.0
+      uri-template-matcher: 1.1.1
+      valibot: 1.1.0(typescript@5.9.2)
+    transitivePeerDependencies:
+      - typescript
+
   to-regex-range@5.0.1:
     dependencies:
       is-number: 7.0.0