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initial implementation

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andrepimenta
2025-07-08 21:04:10 +01:00
parent f501d2ddc4
commit 06eb335f7b
6 changed files with 984 additions and 4 deletions
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1
.vscodeignore
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@@ -9,3 +9,4 @@ vsc-extension-quickstart.md
**/*.map
**/*.ts
**/.vscode-test.*
backup

715
package-lock.json generated
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@@ -9,6 +9,7 @@
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"license": "MIT"
},
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"resolved": "https://registry.npmjs.org/is-unicode-supported/-/is-unicode-supported-0.1.0.tgz",
@@ -4152,6 +4555,29 @@
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},
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"resolved": "https://registry.npmjs.org/media-typer/-/media-typer-1.1.0.tgz",
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"license": "MIT",
"engines": {
"node": ">= 0.8"
}
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"version": "2.0.0",
"resolved": "https://registry.npmjs.org/merge-descriptors/-/merge-descriptors-2.0.0.tgz",
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"dev": true,
"license": "MIT",
"engines": {
"node": ">=18"
},
"funding": {
"url": "https://github.com/sponsors/sindresorhus"
}
},
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"version": "1.4.1",
"resolved": "https://registry.npmjs.org/merge2/-/merge2-1.4.1.tgz",
@@ -4495,6 +4921,16 @@
"dev": true,
"license": "MIT"
},
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"version": "1.0.0",
"resolved": "https://registry.npmjs.org/negotiator/-/negotiator-1.0.0.tgz",
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"dev": true,
"license": "MIT",
"engines": {
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}
},
"node_modules/node-abi": {
"version": "3.75.0",
"resolved": "https://registry.npmjs.org/node-abi/-/node-abi-3.75.0.tgz",
@@ -4576,6 +5012,16 @@
"url": "https://github.com/fb55/nth-check?sponsor=1"
}
},
"node_modules/object-assign": {
"version": "4.1.1",
"resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
"integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
"dev": true,
"license": "MIT",
"engines": {
"node": ">=0.10.0"
}
},
"node_modules/object-inspect": {
"version": "1.13.4",
"resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.4.tgz",
@@ -4588,6 +5034,19 @@
"url": "https://github.com/sponsors/ljharb"
}
},
"node_modules/on-finished": {
"version": "2.4.1",
"resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.4.1.tgz",
"integrity": "sha512-oVlzkg3ENAhCk2zdv7IJwd/QUD4z2RxRwpkcGY8psCVcCYZNq4wYnVWALHM+brtuJjePWiYF/ClmuDr8Ch5+kg==",
"dev": true,
"license": "MIT",
"dependencies": {
"ee-first": "1.1.1"
},
"engines": {
"node": ">= 0.8"
}
},
"node_modules/once": {
"version": "1.4.0",
"resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -4927,6 +5386,16 @@
"url": "https://github.com/fb55/entities?sponsor=1"
}
},
"node_modules/parseurl": {
"version": "1.3.3",
"resolved": "https://registry.npmjs.org/parseurl/-/parseurl-1.3.3.tgz",
"integrity": "sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==",
"dev": true,
"license": "MIT",
"engines": {
"node": ">= 0.8"
}
},
"node_modules/path-exists": {
"version": "4.0.0",
"resolved": "https://registry.npmjs.org/path-exists/-/path-exists-4.0.0.tgz",
@@ -4974,6 +5443,16 @@
"url": "https://github.com/sponsors/isaacs"
}
},
"node_modules/path-to-regexp": {
"version": "8.2.0",
"resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-8.2.0.tgz",
"integrity": "sha512-TdrF7fW9Rphjq4RjrW0Kp2AW0Ahwu9sRGTkS6bvDi0SCwZlEZYmcfDbEsTz8RVk0EHIS/Vd1bv3JhG+1xZuAyQ==",
"dev": true,
"license": "MIT",
"engines": {
"node": ">=16"
}
},
"node_modules/path-type": {
"version": "6.0.0",
"resolved": "https://registry.npmjs.org/path-type/-/path-type-6.0.0.tgz",
@@ -5011,6 +5490,16 @@
"url": "https://github.com/sponsors/jonschlinkert"
}
},
"node_modules/pkce-challenge": {
"version": "5.0.0",
"resolved": "https://registry.npmjs.org/pkce-challenge/-/pkce-challenge-5.0.0.tgz",
"integrity": "sha512-ueGLflrrnvwB3xuo/uGob5pd5FN7l0MsLf0Z87o/UQmRtwjvfylfc9MurIxRAWywCYTgrvpXBcqjV4OfCYGCIQ==",
"dev": true,
"license": "MIT",
"engines": {
"node": ">=16.20.0"
}
},
"node_modules/pluralize": {
"version": "8.0.0",
"resolved": "https://registry.npmjs.org/pluralize/-/pluralize-8.0.0.tgz",
@@ -5064,6 +5553,20 @@
"dev": true,
"license": "MIT"
},
"node_modules/proxy-addr": {
"version": "2.0.7",
"resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",
"integrity": "sha512-llQsMLSUDUPT44jdrU/O37qlnifitDP+ZwrmmZcoSKyLKvtZxpyV0n2/bD/N4tBAAZ/gJEdZU7KMraoK1+XYAg==",
"dev": true,
"license": "MIT",
"dependencies": {
"forwarded": "0.2.0",
"ipaddr.js": "1.9.1"
},
"engines": {
"node": ">= 0.10"
}
},
"node_modules/pump": {
"version": "3.0.3",
"resolved": "https://registry.npmjs.org/pump/-/pump-3.0.3.tgz",
@@ -5140,6 +5643,32 @@
"safe-buffer": "^5.1.0"
}
},
"node_modules/range-parser": {
"version": "1.2.1",
"resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
"integrity": "sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==",
"dev": true,
"license": "MIT",
"engines": {
"node": ">= 0.6"
}
},
"node_modules/raw-body": {
"version": "3.0.0",
"resolved": "https://registry.npmjs.org/raw-body/-/raw-body-3.0.0.tgz",
"integrity": "sha512-RmkhL8CAyCRPXCE28MMH0z2PNWQBNk2Q09ZdxM9IOOXwxwZbN+qbWaatPkdkWIKL2ZVDImrN/pK5HTRz2PcS4g==",
"dev": true,
"license": "MIT",
"dependencies": {
"bytes": "3.1.2",
"http-errors": "2.0.0",
"iconv-lite": "0.6.3",
"unpipe": "1.0.0"
},
"engines": {
"node": ">= 0.8"
}
},
"node_modules/rc": {
"version": "1.2.8",
"resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
@@ -5294,6 +5823,23 @@
"node": ">=0.10.0"
}
},
"node_modules/router": {
"version": "2.2.0",
"resolved": "https://registry.npmjs.org/router/-/router-2.2.0.tgz",
"integrity": "sha512-nLTrUKm2UyiL7rlhapu/Zl45FwNgkZGaCpZbIHajDYgwlJCOzLSk+cIPAnsEqV955GjILJnKbdQC1nVPz+gAYQ==",
"dev": true,
"license": "MIT",
"dependencies": {
"debug": "^4.4.0",
"depd": "^2.0.0",
"is-promise": "^4.0.0",
"parseurl": "^1.3.3",
"path-to-regexp": "^8.0.0"
},
"engines": {
"node": ">= 18"
}
},
"node_modules/run-applescript": {
"version": "7.0.0",
"resolved": "https://registry.npmjs.org/run-applescript/-/run-applescript-7.0.0.tgz",
@@ -5383,6 +5929,52 @@
"node": ">=10"
}
},
"node_modules/send": {
"version": "1.2.0",
"resolved": "https://registry.npmjs.org/send/-/send-1.2.0.tgz",
"integrity": "sha512-uaW0WwXKpL9blXE2o0bRhoL2EGXIrZxQ2ZQ4mgcfoBxdFmQold+qWsD2jLrfZ0trjKL6vOw0j//eAwcALFjKSw==",
"dev": true,
"license": "MIT",
"dependencies": {
"debug": "^4.3.5",
"encodeurl": "^2.0.0",
"escape-html": "^1.0.3",
"etag": "^1.8.1",
"fresh": "^2.0.0",
"http-errors": "^2.0.0",
"mime-types": "^3.0.1",
"ms": "^2.1.3",
"on-finished": "^2.4.1",
"range-parser": "^1.2.1",
"statuses": "^2.0.1"
},
"engines": {
"node": ">= 18"
}
},
"node_modules/send/node_modules/mime-db": {
"version": "1.54.0",
"resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.54.0.tgz",
"integrity": "sha512-aU5EJuIN2WDemCcAp2vFBfp/m4EAhWJnUNSSw0ixs7/kXbd6Pg64EmwJkNdFhB8aWt1sH2CTXrLxo/iAGV3oPQ==",
"dev": true,
"license": "MIT",
"engines": {
"node": ">= 0.6"
}
},
"node_modules/send/node_modules/mime-types": {
"version": "3.0.1",
"resolved": "https://registry.npmjs.org/mime-types/-/mime-types-3.0.1.tgz",
"integrity": "sha512-xRc4oEhT6eaBpU1XF7AjpOFD+xQmXNB5OVKwp4tqCuBpHLS/ZbBDrc07mYTDqVMg6PfxUjjNp85O6Cd2Z/5HWA==",
"dev": true,
"license": "MIT",
"dependencies": {
"mime-db": "^1.54.0"
},
"engines": {
"node": ">= 0.6"
}
},
"node_modules/serialize-javascript": {
"version": "6.0.2",
"resolved": "https://registry.npmjs.org/serialize-javascript/-/serialize-javascript-6.0.2.tgz",
@@ -5393,6 +5985,22 @@
"randombytes": "^2.1.0"
}
},
"node_modules/serve-static": {
"version": "2.2.0",
"resolved": "https://registry.npmjs.org/serve-static/-/serve-static-2.2.0.tgz",
"integrity": "sha512-61g9pCh0Vnh7IutZjtLGGpTA355+OPn2TyDv/6ivP2h/AdAVX9azsoxmg2/M6nZeQZNYBEwIcsne1mJd9oQItQ==",
"dev": true,
"license": "MIT",
"dependencies": {
"encodeurl": "^2.0.0",
"escape-html": "^1.0.3",
"parseurl": "^1.3.3",
"send": "^1.2.0"
},
"engines": {
"node": ">= 18"
}
},
"node_modules/setimmediate": {
"version": "1.0.5",
"resolved": "https://registry.npmjs.org/setimmediate/-/setimmediate-1.0.5.tgz",
@@ -5400,6 +6008,13 @@
"dev": true,
"license": "MIT"
},
"node_modules/setprototypeof": {
"version": "1.2.0",
"resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
"integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw==",
"dev": true,
"license": "ISC"
},
"node_modules/shebang-command": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -5622,6 +6237,16 @@
"integrity": "sha512-D9cPgkvLlV3t3IzL0D0YLvGA9Ahk4PcvVwUbN0dSGr1aP0Nrt4AEnTUbuGvquEC0mA64Gqt1fzirlRs5ibXx8g==",
"dev": true
},
"node_modules/statuses": {
"version": "2.0.2",
"resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.2.tgz",
"integrity": "sha512-DvEy55V3DB7uknRo+4iOGT5fP1slR8wQohVdknigZPMpMstaKJQWhwiYBACJE3Ul2pTnATihhBYnRhZQHGBiRw==",
"dev": true,
"license": "MIT",
"engines": {
"node": ">= 0.8"
}
},
"node_modules/stdin-discarder": {
"version": "0.2.2",
"resolved": "https://registry.npmjs.org/stdin-discarder/-/stdin-discarder-0.2.2.tgz",
@@ -6063,6 +6688,16 @@
"node": ">=8.0"
}
},
"node_modules/toidentifier": {
"version": "1.0.1",
"resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
"integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==",
"dev": true,
"license": "MIT",
"engines": {
"node": ">=0.6"
}
},
"node_modules/ts-api-utils": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/ts-api-utils/-/ts-api-utils-2.1.0.tgz",
@@ -6129,6 +6764,44 @@
"url": "https://github.com/sponsors/sindresorhus"
}
},
"node_modules/type-is": {
"version": "2.0.1",
"resolved": "https://registry.npmjs.org/type-is/-/type-is-2.0.1.tgz",
"integrity": "sha512-OZs6gsjF4vMp32qrCbiVSkrFmXtG/AZhY3t0iAMrMBiAZyV9oALtXO8hsrHbMXF9x6L3grlFuwW2oAz7cav+Gw==",
"dev": true,
"license": "MIT",
"dependencies": {
"content-type": "^1.0.5",
"media-typer": "^1.1.0",
"mime-types": "^3.0.0"
},
"engines": {
"node": ">= 0.6"
}
},
"node_modules/type-is/node_modules/mime-db": {
"version": "1.54.0",
"resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.54.0.tgz",
"integrity": "sha512-aU5EJuIN2WDemCcAp2vFBfp/m4EAhWJnUNSSw0ixs7/kXbd6Pg64EmwJkNdFhB8aWt1sH2CTXrLxo/iAGV3oPQ==",
"dev": true,
"license": "MIT",
"engines": {
"node": ">= 0.6"
}
},
"node_modules/type-is/node_modules/mime-types": {
"version": "3.0.1",
"resolved": "https://registry.npmjs.org/mime-types/-/mime-types-3.0.1.tgz",
"integrity": "sha512-xRc4oEhT6eaBpU1XF7AjpOFD+xQmXNB5OVKwp4tqCuBpHLS/ZbBDrc07mYTDqVMg6PfxUjjNp85O6Cd2Z/5HWA==",
"dev": true,
"license": "MIT",
"dependencies": {
"mime-db": "^1.54.0"
},
"engines": {
"node": ">= 0.6"
}
},
"node_modules/typed-rest-client": {
"version": "1.8.11",
"resolved": "https://registry.npmjs.org/typed-rest-client/-/typed-rest-client-1.8.11.tgz",
@@ -6203,6 +6876,16 @@
"node": ">= 10.0.0"
}
},
"node_modules/unpipe": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
"integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==",
"dev": true,
"license": "MIT",
"engines": {
"node": ">= 0.8"
}
},
"node_modules/uri-js": {
"version": "4.4.1",
"resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.1.tgz",
@@ -6260,6 +6943,16 @@
"spdx-expression-parse": "^3.0.0"
}
},
"node_modules/vary": {
"version": "1.1.2",
"resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
"integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==",
"dev": true,
"license": "MIT",
"engines": {
"node": ">= 0.8"
}
},
"node_modules/version-range": {
"version": "4.14.0",
"resolved": "https://registry.npmjs.org/version-range/-/version-range-4.14.0.tgz",
@@ -6587,6 +7280,26 @@
"funding": {
"url": "https://github.com/sponsors/sindresorhus"
}
},
"node_modules/zod": {
"version": "3.25.76",
"resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
"integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
"dev": true,
"license": "MIT",
"funding": {
"url": "https://github.com/sponsors/colinhacks"
}
},
"node_modules/zod-to-json-schema": {
"version": "3.24.6",
"resolved": "https://registry.npmjs.org/zod-to-json-schema/-/zod-to-json-schema-3.24.6.tgz",
"integrity": "sha512-h/z3PKvcTcTetyjl1fkj79MHNEjm+HpD6NXheWjzOekY7kV+lwDYnHw+ivHkijnCSMz1yJaWBD9vu/Fcmk+vEg==",
"dev": true,
"license": "ISC",
"peerDependencies": {
"zod": "^3.24.1"
}
}
}
}

4
package.json
View File

@@ -202,6 +202,8 @@
"@vscode/test-electron": "^2.5.2",
"@vscode/vsce": "^3.5.0",
"eslint": "^9.25.1",
"typescript": "^5.8.3"
"typescript": "^5.8.3",
"@modelcontextprotocol/sdk": "^1.15.0",
"zod": "^3.25.76"
}
}

140
src/extension.ts
View File

@@ -94,6 +94,8 @@ class ClaudeChatProvider {
private _backupRepoPath: string | undefined;
private _commits: Array<{ id: string, sha: string, message: string, timestamp: string }> = [];
private _conversationsPath: string | undefined;
private _permissionRequestsPath: string | undefined;
private _permissionWatcher: vscode.FileSystemWatcher | undefined;
private _currentConversation: Array<{ timestamp: string, messageType: string, data: any }> = [];
private _conversationStartTime: string | undefined;
private _conversationIndex: Array<{
@@ -117,6 +119,8 @@ class ClaudeChatProvider {
// Initialize backup repository and conversations
this._initializeBackupRepo();
this._initializeConversations();
this._initializeMCPConfig();
this._initializePermissions();
// Load conversation index from workspace state
this._conversationIndex = this._context.workspaceState.get('claude.conversationIndex', []);
@@ -393,10 +397,19 @@ class ClaudeChatProvider {
// Build command arguments with session management
const args = [
'-p',
'--output-format', 'stream-json', '--verbose',
'--dangerously-skip-permissions'
'--output-format', 'stream-json', '--verbose'
];
// Add MCP configuration for permissions
const mcpConfigPath = this.getMCPConfigPath();
if (mcpConfigPath) {
args.push('--mcp-config', mcpConfigPath);
args.push('--allowedTools', 'mcp__permissions__approval_prompt');
args.push('--permission-prompt-tool', 'mcp__permissions__approval_prompt');
}else{
args.push('--dangerously-skip-permissions')
}
// Add model selection if not using default
if (this._selectedModel && this._selectedModel !== 'default') {
args.push('--model', this._selectedModel);
@@ -970,6 +983,129 @@ class ClaudeChatProvider {
}
}
private async _initializeMCPConfig(): Promise<void> {
try {
const storagePath = this._context.storageUri?.fsPath;
if (!storagePath) {return;}
// Create MCP config directory
const mcpConfigDir = path.join(storagePath, 'mcp');
try {
await vscode.workspace.fs.stat(vscode.Uri.file(mcpConfigDir));
} catch {
await vscode.workspace.fs.createDirectory(vscode.Uri.file(mcpConfigDir));
console.log(`Created MCP config directory at: ${mcpConfigDir}`);
}
// Create mcp-servers.json with correct path to compiled MCP permissions server
const mcpConfigPath = path.join(mcpConfigDir, 'mcp-servers.json');
const mcpPermissionsPath = path.join(this._extensionUri.fsPath, 'out', 'permissions', 'mcp-permissions.js');
const permissionRequestsPath = path.join(storagePath, 'permission-requests');
const mcpConfig = {
mcpServers: {
permissions: {
command: 'node',
args: [mcpPermissionsPath],
env: {
CLAUDE_PERMISSIONS_PATH: permissionRequestsPath
}
}
}
};
const configContent = new TextEncoder().encode(JSON.stringify(mcpConfig, null, 2));
await vscode.workspace.fs.writeFile(vscode.Uri.file(mcpConfigPath), configContent);
console.log(`Created MCP config at: ${mcpConfigPath}`);
} catch (error: any) {
console.error('Failed to initialize MCP config:', error.message);
}
}
private async _initializePermissions(): Promise<void> {
try {
const storagePath = this._context.storageUri?.fsPath;
if (!storagePath) {return;}
// Create permission requests directory
this._permissionRequestsPath = path.join(storagePath, 'permission-requests');
try {
await vscode.workspace.fs.stat(vscode.Uri.file(this._permissionRequestsPath));
} catch {
await vscode.workspace.fs.createDirectory(vscode.Uri.file(this._permissionRequestsPath));
console.log(`Created permission requests directory at: ${this._permissionRequestsPath}`);
}
// Set up file watcher for *.request files
this._permissionWatcher = vscode.workspace.createFileSystemWatcher(
new vscode.RelativePattern(this._permissionRequestsPath, '*.request')
);
this._permissionWatcher.onDidCreate(async (uri) => {
// Only handle file scheme URIs, ignore vscode-userdata scheme
if (uri.scheme === 'file') {
await this._handlePermissionRequest(uri);
}
});
this._disposables.push(this._permissionWatcher);
} catch (error: any) {
console.error('Failed to initialize permissions:', error.message);
}
}
private async _handlePermissionRequest(requestUri: vscode.Uri): Promise<void> {
try {
// Read the request file
const content = await vscode.workspace.fs.readFile(requestUri);
const request = JSON.parse(new TextDecoder().decode(content));
// Show permission dialog
const approved = await this._showPermissionDialog(request);
// Write response file
const responseFile = requestUri.fsPath.replace('.request', '.response');
const response = {
id: request.id,
approved: approved,
timestamp: new Date().toISOString()
};
const responseContent = new TextEncoder().encode(JSON.stringify(response));
await vscode.workspace.fs.writeFile(vscode.Uri.file(responseFile), responseContent);
// Clean up request file
await vscode.workspace.fs.delete(requestUri);
} catch (error: any) {
console.error('Failed to handle permission request:', error.message);
}
}
private async _showPermissionDialog(request: any): Promise<boolean> {
const toolName = request.tool || 'Unknown Tool';
const toolInput = JSON.stringify(request.input, null, 2);
const message = `Tool "${toolName}" is requesting permission to execute:\n\n${toolInput}\n\nDo you want to allow this?`;
const result = await vscode.window.showWarningMessage(
message,
{ modal: true },
'Allow',
'Deny'
);
return result === 'Allow';
}
public getMCPConfigPath(): string | undefined {
const storagePath = this._context.storageUri?.fsPath;
if (!storagePath) {return undefined;}
return path.join(storagePath, 'mcp', 'mcp-servers.json');
}
private _sendAndSaveMessage(message: { type: string, data: any }): void {
// Initialize conversation if this is the first message
if (this._currentConversation.length === 0) {

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import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import { z } from "zod";
import * as fs from "fs";
import * as path from "path";
const server = new McpServer({
name: "Claude Code Permissions MCP Server",
version: "0.0.1",
});
// Get permissions directory from environment
const PERMISSIONS_PATH = process.env.CLAUDE_PERMISSIONS_PATH;
if (!PERMISSIONS_PATH) {
console.error("CLAUDE_PERMISSIONS_PATH environment variable not set");
process.exit(1);
}
function generateRequestId(): string {
return `req_${Date.now()}_${Math.random().toString(36).substring(2, 9)}`;
}
async function requestPermission(tool_name: string, input: any): Promise<boolean> {
if (!PERMISSIONS_PATH) {
console.error("Permissions path not available");
return false;
}
const requestId = generateRequestId();
const requestFile = path.join(PERMISSIONS_PATH, `${requestId}.request`);
const responseFile = path.join(PERMISSIONS_PATH, `${requestId}.response`);
// Write request file
const request = {
id: requestId,
tool: tool_name,
input: input,
timestamp: new Date().toISOString()
};
try {
fs.writeFileSync(requestFile, JSON.stringify(request, null, 2));
// Poll for response file
const maxWaitTime = 30000; // 30 seconds timeout
const pollInterval = 100; // Check every 100ms
let waitTime = 0;
while (waitTime < maxWaitTime) {
if (fs.existsSync(responseFile)) {
const responseContent = fs.readFileSync(responseFile, 'utf8');
const response = JSON.parse(responseContent);
// Clean up response file
fs.unlinkSync(responseFile);
return response.approved;
}
await new Promise(resolve => setTimeout(resolve, pollInterval));
waitTime += pollInterval;
}
// Timeout - clean up request file and deny
if (fs.existsSync(requestFile)) {
fs.unlinkSync(requestFile);
}
console.error(`Permission request ${requestId} timed out`);
return false;
} catch (error) {
console.error(`Error requesting permission: ${error}`);
return false;
}
}
server.tool(
"approval_prompt",
'Request user permission to execute a tool via VS Code dialog',
{
tool_name: z.string().describe("The name of the tool requesting permission"),
input: z.object({}).passthrough().describe("The input for the tool"),
tool_use_id: z.string().optional().describe("The unique tool use request ID"),
},
async ({ tool_name, input }) => {
console.error(`Requesting permission for tool: ${tool_name}`);
const approved = await requestPermission(tool_name, input);
const behavior = approved ? "allow" : "deny";
console.error(`Permission ${behavior}ed for tool: ${tool_name}`);
return {
content: [
{
type: "text",
text: JSON.stringify({
behavior: behavior,
updatedInput: input,
}),
},
],
};
}
);
async function main() {
const transport = new StdioServerTransport();
await server.connect(transport);
console.error(`Permissions MCP Server running on stdio`);
console.error(`Using permissions directory: ${PERMISSIONS_PATH}`);
}
main().catch((error) => {
console.error("Fatal error in main():", error);
process.exit(1);
});

10
src/permissions/mcp-servers.json Normal file
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{
"mcpServers": {
"permissions": {
"command": "node",
"args": [
"./out/permissions/mcp-permissions.js"
]
}
}
}