diff --git a/packages/server/src/server/agent/mcp-sdk-types.ts b/packages/server/src/server/agent/mcp-sdk-types.ts
deleted file mode 100644
index 9162d92d2..000000000
--- a/packages/server/src/server/agent/mcp-sdk-types.ts
+++ /dev/null
@@ -1,33 +0,0 @@
-import type { RequestHandlerExtra } from "@modelcontextprotocol/sdk/shared/protocol.js";
-import type {
-  CallToolResult,
-  ServerNotification,
-  ServerRequest,
-} from "@modelcontextprotocol/sdk/types.js";
-
-export interface ToolConfig {
-  title?: string;
-  description?: string;
-  inputSchema?: unknown;
-  outputSchema?: unknown;
-  annotations?: unknown;
-  [key: string]: unknown;
-}
-
-// oxlint-disable-next-line typescript-eslint/no-explicit-any -- mirrors MCP's schema-inferred handler args without importing its zod-heavy generics.
-type ToolArgs = any;
-
-export type ToolHandler = (
-  args: ToolArgs,
-  extra: RequestHandlerExtra<ServerRequest, ServerNotification>,
-) => CallToolResult | Promise<CallToolResult>;
-
-export interface RegisteredTool {
-  remove?: () => void;
-}
-
-export declare class McpServer {
-  constructor(config: { name: string; version: string });
-  registerTool(name: string, config: ToolConfig, handler: ToolHandler): RegisteredTool;
-  connect(transport: unknown): Promise<void>;
-}
diff --git a/packages/server/src/server/agent/providers/claude/claude-agent-sdk-types.ts b/packages/server/src/server/agent/providers/claude/claude-agent-sdk-types.ts
deleted file mode 100644
index 6d1a25b79..000000000
--- a/packages/server/src/server/agent/providers/claude/claude-agent-sdk-types.ts
+++ /dev/null
@@ -1,235 +0,0 @@
-import type { ChildProcess } from "node:child_process";
-
-export type PermissionMode = "default" | "acceptEdits" | "plan" | "bypassPermissions" | "auto";
-
-export interface PermissionUpdate extends Record<string, unknown> {
-  type: "addRules" | "replaceRules" | "removeRules";
-  rules: string[];
-  behavior: string;
-  destination: string;
-}
-
-export type PermissionResult =
-  | {
-      behavior: "allow";
-      updatedInput?: Record<string, unknown>;
-      updatedPermissions?: PermissionUpdate[];
-    }
-  | {
-      behavior: "deny";
-      message?: string;
-      interrupt?: boolean;
-      updatedPermissions?: PermissionUpdate[];
-    };
-
-export type CanUseTool = (
-  toolName: string,
-  input: Record<string, unknown>,
-  options: {
-    signal: AbortSignal;
-    suggestions?: PermissionUpdate[];
-    blockedPath?: string;
-    decisionReason?: string;
-    title?: string;
-    displayName?: string;
-    description?: string;
-    toolUseID: string;
-    agentID?: string;
-  },
-) => Promise<PermissionResult>;
-
-export interface AgentDefinition {
-  description: string;
-  prompt: string;
-  tools?: string[];
-  disallowedTools?: string[];
-  model?: string;
-  mcpServers?: unknown[];
-  criticalSystemReminder_EXPERIMENTAL?: string;
-  skills?: string[];
-  initialPrompt?: string;
-  maxTurns?: number;
-  background?: boolean;
-  memory?: "user" | "project" | "local";
-  effort?: "low" | "medium" | "high" | "xhigh" | "max" | number;
-  permissionMode?: PermissionMode;
-}
-
-export type McpServerConfig =
-  | {
-      type: "stdio";
-      command: string;
-      args?: string[];
-      env?: Record<string, string>;
-      alwaysLoad?: boolean;
-    }
-  | { type: "http"; url: string; headers?: Record<string, string>; alwaysLoad?: boolean }
-  | { type: "sse"; url: string; headers?: Record<string, string>; alwaysLoad?: boolean };
-
-export interface SpawnOptions {
-  command: string;
-  args: string[];
-  cwd?: string;
-  env?: NodeJS.ProcessEnv;
-  signal?: AbortSignal;
-}
-
-export interface Options {
-  abortController?: AbortController;
-  additionalDirectories?: string[];
-  agent?: string;
-  agents?: Record<string, AgentDefinition>;
-  allowedTools?: string[];
-  allowDangerouslySkipPermissions?: boolean;
-  canUseTool?: CanUseTool;
-  continue?: boolean;
-  cwd?: string;
-  disallowedTools?: string[];
-  enableFileCheckpointing?: boolean;
-  env?: NodeJS.ProcessEnv;
-  effort?: "low" | "medium" | "high" | "xhigh" | "max" | number;
-  includePartialMessages?: boolean;
-  maxThinkingTokens?: number;
-  mcpServers?: Record<string, McpServerConfig>;
-  model?: string;
-  pathToClaudeCodeExecutable?: string;
-  permissionMode?: PermissionMode;
-  persistSession?: boolean;
-  resume?: string;
-  sessionId?: string;
-  settingSources?: Array<"user" | "project" | "local" | "managed">;
-  settings?: string | Record<string, unknown>;
-  spawnClaudeCodeProcess?: (spawnOptions: SpawnOptions) => ChildProcess;
-  stderr?: (data: string) => void;
-  systemPrompt?:
-    | string
-    | { type: "preset"; preset: string; append?: string }
-    | Record<string, unknown>;
-  thinking?: { type: "adaptive" } | { type: "enabled"; budgetTokens?: number };
-  tools?: string[] | { type: "preset"; preset: string };
-}
-
-export interface SDKBaseMessage {
-  type: string;
-  subtype?: string;
-  uuid?: string;
-  session_id?: string;
-  parent_tool_use_id?: string | null;
-  [key: string]: unknown;
-}
-
-export interface SDKUserMessage extends SDKBaseMessage {
-  type: "user";
-  message: { role?: "user"; content: string | ReadonlyArray<unknown> };
-}
-
-export interface SDKAssistantMessage extends SDKBaseMessage {
-  type: "assistant";
-  message: { content: ReadonlyArray<unknown> };
-}
-
-export interface SDKPartialAssistantMessage extends SDKBaseMessage {
-  type: "stream_event";
-  event:
-    | {
-        type: "content_block_start";
-        index: number;
-        content_block?: unknown;
-        [key: string]: unknown;
-      }
-    | {
-        type: "content_block_delta";
-        index: number;
-        delta?: unknown;
-        [key: string]: unknown;
-      }
-    | { type: "content_block_stop"; index: number; [key: string]: unknown }
-    | { type: "message_start"; [key: string]: unknown }
-    | { type: "message_delta"; [key: string]: unknown };
-  modelUsage?: unknown;
-}
-
-export interface SDKInitSystemMessage extends SDKBaseMessage {
-  type: "system";
-  subtype: "init";
-  permissionMode: PermissionMode;
-  model?: string;
-}
-
-export interface SDKStatusSystemMessage extends SDKBaseMessage {
-  type: "system";
-  subtype: "status";
-}
-
-export interface SDKCompactBoundaryMessage extends SDKBaseMessage {
-  type: "system";
-  subtype: "compact_boundary";
-}
-
-export interface SDKTaskNotificationMessage extends SDKBaseMessage {
-  type: "system";
-  subtype: "task_notification";
-  tool_use_id?: string;
-  usage?: unknown;
-}
-
-export interface SDKTaskProgressMessage extends SDKBaseMessage {
-  type: "system";
-  subtype: "task_progress";
-  usage?: unknown;
-}
-
-export type SDKSystemMessage =
-  | SDKInitSystemMessage
-  | SDKStatusSystemMessage
-  | SDKCompactBoundaryMessage
-  | SDKTaskNotificationMessage
-  | SDKTaskProgressMessage;
-
-export interface SDKResultMessage extends SDKBaseMessage {
-  type: "result";
-  subtype: "success" | "error_during_execution" | string;
-  result?: string;
-  errors?: string[];
-  modelUsage?: unknown;
-  total_cost_usd?: number;
-  usage?: {
-    input_tokens?: number;
-    cache_read_input_tokens?: number;
-    output_tokens?: number;
-  };
-}
-
-export type SDKMessage =
-  | SDKUserMessage
-  | SDKAssistantMessage
-  | SDKPartialAssistantMessage
-  | SDKSystemMessage
-  | SDKTaskProgressMessage
-  | SDKResultMessage
-  | (SDKBaseMessage & { type: "tool_progress"; tool_name?: string; tool_use_id?: string });
-
-export interface Query extends AsyncGenerator<SDKMessage, void> {
-  interrupt(): Promise<void>;
-  setPermissionMode(mode: PermissionMode): Promise<void>;
-  setModel(model?: string): Promise<void>;
-  applyFlagSettings(settings: Record<string, unknown>): Promise<void>;
-  supportedCommands(): Promise<Array<{ name: string; description: string; argumentHint: string }>>;
-  rewindFiles(
-    messageId: string,
-    options: { dryRun: boolean },
-  ): Promise<{ canRewind: boolean; error?: string }>;
-  close(): void;
-}
-
-export declare function query(params: {
-  prompt: string | AsyncIterable<SDKUserMessage>;
-  options?: Options;
-}): Query;
-
-export declare function forkSession(
-  sessionId: string,
-  options: { upToMessageId: string },
-): Promise<{ sessionId: string }>;
-
-export declare function getSessionInfo(...args: unknown[]): Promise<unknown>;
diff --git a/packages/server/tsconfig.server.json b/packages/server/tsconfig.server.json
index 697e99589..aee1b6367 100644
--- a/packages/server/tsconfig.server.json
+++ b/packages/server/tsconfig.server.json
@@ -5,10 +5,6 @@
     "moduleResolution": "NodeNext",
     "lib": ["ES2023", "DOM"],
     "paths": {
-      "@anthropic-ai/claude-agent-sdk": [
-        "./src/server/agent/providers/claude/claude-agent-sdk-types.ts"
-      ],
-      "@modelcontextprotocol/sdk/server/mcp.js": ["./src/server/agent/mcp-sdk-types.ts"],
       "@server/*": ["./src/*"]
     },
     "skipLibCheck": true,