Update to claude-agent-sdk 0.1.65 (#202 )

Prep release (#201 )
Allow agent to write plans and todos to its config directory (#200 )
2026-10-27 12:40:32 +00:00 · 2025-12-11 14:18:36 +01:00 · 2025-12-11 13:04:07 +00:00 · 2025-12-11 14:02:16 +01:00 · 2025-12-11 12:18:38 +01:00 · 2025-12-09 22:00:38 +01:00
5 changed files with 212 additions and 139 deletions
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,21 @@
 # Changelog

+## 0.12.3
+
+- Update to @anthropic-ai/claude-agent-sdk@v0.1.65
+- Update to @agentclientprotocol/sdk@0.9.0
+- Allow agent to write plans and todos to its config directory
+- Fix experimental resume ids
+
+## 0.12.2
+
+- Fix duplicate tool use IDs error
+
+## 0.12.1
+
+- Update to @anthropic-ai/claude-agent-sdk@v0.1.61
+- Update to @agentclientprotocol/sdk@0.8.0
+
 ## 0.12.0

 - Update to @anthropic-ai/claude-agent-sdk@v0.1.59
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,16 +1,16 @@
 {
  "name": "@zed-industries/claude-code-acp",
-  "version": "0.12.0",
+  "version": "0.12.3",
  "lockfileVersion": 3,
  "requires": true,
  "packages": {
    "": {
      "name": "@zed-industries/claude-code-acp",
-      "version": "0.12.0",
+      "version": "0.12.3",
      "license": "Apache-2.0",
      "dependencies": {
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-        "@anthropic-ai/claude-agent-sdk": "0.1.59",
+        "@agentclientprotocol/sdk": "0.9.0",
+        "@anthropic-ai/claude-agent-sdk": "0.1.65",
        "@modelcontextprotocol/sdk": "1.24.3",
        "diff": "8.0.2"
      },
@@ -18,10 +18,10 @@
        "claude-code-acp": "dist/index.js"
      },
      "devDependencies": {
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-        "@types/node": "24.10.1",
-        "@typescript-eslint/eslint-plugin": "8.48.1",
-        "@typescript-eslint/parser": "8.48.1",
+        "@anthropic-ai/sdk": "0.71.2",
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        "eslint": "9.39.1",
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        "globals": "16.5.0",
@@ -32,18 +32,18 @@
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      "license": "Apache-2.0",
      "peerDependencies": {
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      }
    },
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      "license": "SEE LICENSE IN README.md",
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@@ -63,9 +63,9 @@
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--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
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  "description": "An ACP-compatible coding agent powered by the Claude Code SDK (TypeScript)",
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@@ -51,16 +51,16 @@
  "author": "Zed Industries",
  "license": "Apache-2.0",
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  },
  "devDependencies": {
-    "@anthropic-ai/sdk": "0.71.1",
-    "@types/node": "24.10.1",
-    "@typescript-eslint/eslint-plugin": "8.48.1",
-    "@typescript-eslint/parser": "8.48.1",
+    "@anthropic-ai/sdk": "0.71.2",
+    "@types/node": "25.0.0",
+    "@typescript-eslint/eslint-plugin": "8.49.0",
+    "@typescript-eslint/parser": "8.49.0",
    "eslint": "9.39.1",
    "eslint-config-prettier": "10.1.8",
    "globals": "16.5.0",
--- a/src/acp-agent.ts
+++ b/src/acp-agent.ts
@@ -54,6 +54,8 @@ import { BetaContentBlock, BetaRawContentBlockDelta } from "@anthropic-ai/sdk/re
 import packageJson from "../package.json" with { type: "json" };
 import { randomUUID } from "node:crypto";

+export const CLAUDE_CONFIG_DIR = process.env.CLAUDE ?? path.join(os.homedir(), ".claude");
+
 /**
 * Logger interface for customizing logging output
 */
@@ -197,7 +199,10 @@ export class ClaudeAcpAgent implements Agent {
      throw RequestError.authRequired();
    }

-    const sessionId = randomUUID();
+    // Extract options from _meta if provided
+    const userProvidedOptions = (params._meta as NewSessionMeta | undefined)?.claudeCode?.options;
+
+    const sessionId = userProvidedOptions?.resume || randomUUID();
    const input = new Pushable<SDKUserMessage>();

    const mcpServers: Record<string, McpServerConfig> = {};
@@ -250,8 +255,11 @@ export class ClaudeAcpAgent implements Agent {

    const permissionMode = "default";

-    // Extract options from _meta if provided
-    const userProvidedOptions = (params._meta as NewSessionMeta | undefined)?.claudeCode?.options;
+    const extraArgs = { ...userProvidedOptions?.extraArgs };
+    if (userProvidedOptions?.resume === undefined) {
+      // Set our own session id if not resuming an existing session.
+      extraArgs["session-id"] = sessionId;
+    }

    const options: Options = {
      systemPrompt,
@@ -262,8 +270,7 @@ export class ClaudeAcpAgent implements Agent {
      cwd: params.cwd,
      includePartialMessages: true,
      mcpServers: { ...(userProvidedOptions?.mcpServers || {}), ...mcpServers },
-      // Set our own session id
-      extraArgs: { ...userProvidedOptions?.extraArgs, "session-id": sessionId },
+      extraArgs,
      // If we want bypassPermissions to be an option, we have to allow it here.
      // But it doesn't work in root mode, so we only activate it if it will work.
      allowDangerouslySkipPermissions: !IS_ROOT,
@@ -634,7 +641,7 @@ export class ClaudeAcpAgent implements Agent {
  }

  canUseTool(sessionId: string): CanUseTool {
-    return async (toolName, toolInput, { suggestions, toolUseID }) => {
+    return async (toolName, toolInput, { signal, suggestions, toolUseID }) => {
      const session = this.sessions[sessionId];
      if (!session) {
        return {
@@ -667,6 +674,9 @@ export class ClaudeAcpAgent implements Agent {
          },
        });

+        if (signal.aborted || response.outcome?.outcome === "cancelled") {
+          throw new Error("Tool use aborted");
+        }
        if (
          response.outcome?.outcome === "selected" &&
          (response.outcome.optionId === "default" || response.outcome.optionId === "acceptEdits")
@@ -730,6 +740,9 @@ export class ClaudeAcpAgent implements Agent {
          ).title,
        },
      });
+      if (signal.aborted || response.outcome?.outcome === "cancelled") {
+        throw new Error("Tool use aborted");
+      }
      if (
        response.outcome?.outcome === "selected" &&
        (response.outcome.optionId === "allow" || response.outcome.optionId === "allow_always")
--- a/src/mcp-server.ts
+++ b/src/mcp-server.ts
@@ -1,8 +1,21 @@
 import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
+import {
+  BashInput,
+  FileEditInput,
+  FileReadInput,
+  FileWriteInput,
+  KillShellInput,
+} from "@anthropic-ai/claude-agent-sdk/sdk-tools.js";
 import { z } from "zod";
-import { ClaudeAcpAgent } from "./acp-agent.js";
-import { ClientCapabilities, TerminalOutputResponse } from "@agentclientprotocol/sdk";
+import { CLAUDE_CONFIG_DIR, ClaudeAcpAgent } from "./acp-agent.js";
+import {
+  ClientCapabilities,
+  ReadTextFileResponse,
+  TerminalOutputResponse,
+} from "@agentclientprotocol/sdk";
 import * as diff from "diff";
+import * as path from "node:path";
+import * as fs from "node:fs/promises";

 import { sleep, unreachable, extractLinesWithByteLimit } from "./utils.js";

@@ -40,6 +53,62 @@ export function createMcpServer(
  sessionId: string,
  clientCapabilities: ClientCapabilities | undefined,
 ): McpServer {
+  /**
+   * This checks if a given path is related to internal agent persistence and if the agent should be allowed to read/write from here.
+   * We let the agent do normal fs operations on these paths so that it can persist its state.
+   * However, we block access to settings files for security reasons.
+   */
+  function internalPath(file_path: string) {
+    return (
+      file_path.startsWith(CLAUDE_CONFIG_DIR) &&
+      !file_path.startsWith(path.join(CLAUDE_CONFIG_DIR, "settings.json")) &&
+      !file_path.startsWith(path.join(CLAUDE_CONFIG_DIR, "session-env"))
+    );
+  }
+
+  async function readTextFile(input: FileReadInput): Promise<ReadTextFileResponse> {
+    if (internalPath(input.file_path)) {
+      const content = await fs.readFile(input.file_path, "utf8");
+
+      // eslint-disable-next-line eqeqeq
+      if (input.offset != null || input.limit != null) {
+        const lines = content.split("\n");
+
+        // Apply offset and limit if provided
+        const offset = input.offset ?? 1;
+        const limit = input.limit ?? lines.length;
+
+        // Extract the requested lines (offset is 1-based)
+        const startIndex = Math.max(0, offset - 1);
+        const endIndex = Math.min(lines.length, startIndex + limit);
+        const selectedLines = lines.slice(startIndex, endIndex);
+
+        return { content: selectedLines.join("\n") };
+      } else {
+        return { content };
+      }
+    }
+
+    return agent.readTextFile({
+      sessionId,
+      path: input.file_path,
+      line: input.offset,
+      limit: input.limit,
+    });
+  }
+
+  async function writeTextFile(input: FileWriteInput): Promise<void> {
+    if (internalPath(input.file_path)) {
+      await fs.writeFile(input.file_path, input.content, "utf8");
+    } else {
+      await agent.writeTextFile({
+        sessionId,
+        path: input.file_path,
+        content: input.content,
+      });
+    }
+  }
+
  // Create MCP server
  const server = new McpServer({ name: "acp", version: "1.0.0" }, { capabilities: { tools: {} } });

@@ -87,7 +156,7 @@ Usage:
          idempotentHint: false,
        },
      },
-      async (input) => {
+      async (input: FileReadInput) => {
        try {
          const session = agent.sessions[sessionId];
          if (!session) {
@@ -101,12 +170,7 @@ Usage:
            };
          }

-          const readResponse = await agent.readTextFile({
-            sessionId,
-            path: input.file_path,
-            line: input.offset,
-            limit: input.limit,
-          });
+          const readResponse = await readTextFile(input);

          if (typeof readResponse?.content !== "string") {
            throw new Error(`No file contents for ${input.file_path}.`);
@@ -117,7 +181,7 @@ Usage:

          // Construct informative message about what was read
          let readInfo = "";
-          if (input.offset > 1 || result.wasLimited) {
+          if ((input.offset && input.offset > 1) || result.wasLimited) {
            readInfo = "\n\n<file-read-info>";

            if (result.wasLimited) {
@@ -185,7 +249,7 @@ Usage:
          idempotentHint: false,
        },
      },
-      async (input) => {
+      async (input: FileWriteInput) => {
        try {
          const session = agent.sessions[sessionId];
          if (!session) {
@@ -198,11 +262,7 @@ Usage:
              ],
            };
          }
-          await agent.writeTextFile({
-            sessionId,
-            path: input.file_path,
-            content: input.content,
-          });
+          await writeTextFile(input);

          return {
            content: [],
@@ -246,7 +306,7 @@ Usage:
            .boolean()
            .default(false)
            .optional()
-            .describe("Replace all occurences of old_string (default false)"),
+            .describe("Replace all occurrences of old_string (default false)"),
        },
        annotations: {
          title: "Edit file",
@@ -256,7 +316,7 @@ Usage:
          idempotentHint: false,
        },
      },
-      async (input) => {
+      async (input: FileEditInput) => {
        try {
          const session = agent.sessions[sessionId];
          if (!session) {
@@ -270,9 +330,8 @@ Usage:
            };
          }

-          const readResponse = await agent.readTextFile({
-            sessionId,
-            path: input.file_path,
+          const readResponse = await readTextFile({
+            file_path: input.file_path,
          });

          if (typeof readResponse?.content !== "string") {
@@ -289,11 +348,7 @@ Usage:

          const patch = diff.createPatch(input.file_path, readResponse.content, newContent);

-          await agent.writeTextFile({
-            sessionId,
-            path: input.file_path,
-            content: newContent,
-          });
+          await writeTextFile({ file_path: input.file_path, content: newContent });

          return {
            content: [
@@ -327,10 +382,7 @@ Usage:
 In sessions with ${toolNames.bash} always use it instead of Bash`,
        inputSchema: {
          command: z.string().describe("The command to execute"),
-          timeout: z
-            .number()
-            .default(2 * 60 * 1000)
-            .describe(`Optional timeout in milliseconds (max ${2 * 60 * 1000})`),
+          timeout: z.number().describe(`Optional timeout in milliseconds (max ${2 * 60 * 1000})`),
          description: z.string().optional()
            .describe(`Clear, concise description of what this command does in 5-10 words, in active voice. Examples:
 Input: ls
@@ -352,7 +404,7 @@ Output: Create directory 'foo'`),
            ),
        },
      },
-      async (input, extra) => {
+      async (input: BashInput, extra) => {
        const session = agent.sessions[sessionId];
        if (!session) {
          return {
@@ -406,7 +458,7 @@ Output: Create directory 'foo'`),
        const statusPromise = Promise.race([
          handle.waitForExit().then((exitStatus) => ({ status: "exited" as const, exitStatus })),
          abortPromise.then(() => ({ status: "aborted" as const, exitStatus: null })),
-          sleep(input.timeout).then(async () => {
+          sleep(input.timeout ?? 2 * 60 * 1000).then(async () => {
            if (agent.backgroundTerminals[handle.id]?.status === "started") {
              await handle.kill();
            }
@@ -475,23 +527,23 @@ Output: Create directory 'foo'`),
      {
        title: unqualifiedToolNames.bashOutput,
        description: `- Retrieves output from a running or completed background bash shell
- Takes a shell_id parameter identifying the shell
+- Takes a bash_id parameter identifying the shell
 - Always returns only new output since the last check
 - Returns stdout and stderr output along with shell status
 - Use this tool when you need to monitor or check the output of a long-running shell

-In sessions with ${toolNames.bashOutput} always use it instead of BashOutput.`,
+In sessions with ${toolNames.bashOutput} always use it for output from Bash commands instead of TaskOutput.`,
        inputSchema: {
-          shell_id: z
+          bash_id: z
            .string()
            .describe(`The id of the background bash command as returned by \`${toolNames.bash}\``),
        },
      },
      async (input) => {
-        const bgTerm = agent.backgroundTerminals[input.shell_id];
+        const bgTerm = agent.backgroundTerminals[input.bash_id];

        if (!bgTerm) {
-          throw new Error(`Unknown shell ${input.shell_id}`);
+          throw new Error(`Unknown shell ${input.bash_id}`);
        }

        if (bgTerm.status === "started") {
@@ -542,7 +594,7 @@ In sessions with ${toolNames.killShell} always use it instead of KillShell.`,
            .describe(`The id of the background bash command as returned by \`${toolNames.bash}\``),
        },
      },
-      async (input) => {
+      async (input: KillShellInput) => {
        const bgTerm = agent.backgroundTerminals[input.shell_id];

        if (!bgTerm) {
Author	SHA1	Message	Date
Ben Brandt	634f1ef6a4	Update to claude-agent-sdk 0.1.65 (#202 )	2025-12-11 14:18:36 +01:00
Ben Brandt	86d333b8cc	Prep release (#201 )	2025-12-11 13:04:07 +00:00
Ben Brandt	9f6fef55dd	Allow agent to write plans and todos to its config directory (#200 ) - Use official sdk types for tools - Allow agent to write plans and todos to its config directory	2025-12-11 14:02:16 +01:00
Guillaume Sabran	c3e1418d89	Allow to resume previous session (#199 ) When the ACP client persists the session id to support resuming, it has no way to pass it back to the agent to resume an existing session as the current implementation always creates a new id that is now shared with Claude Code. My client used to pass the value in the `--resume` within Claude Code option, but `--resume` is not compatible with the new `--session-id`: ``` --session-id cannot be used with --continue or --resume. ``` Change: When `--resume` is used, extract its value and use it as the session id. --------- Co-authored-by: Ben Brandt <benjamin.j.brandt@gmail.com>	2025-12-11 12:18:38 +01:00
Bennet Bo Fenner	3b4cd4b2d5	Fix duplicate tool use IDs error (#198 ) <img width="595" height="107" alt="image" src="https://github.com/user-attachments/assets/3b9ae5e9-cbc8-425a-8cb6-1d201df3a812" /> --------- Co-authored-by: Ben Brandt <benjamin.j.brandt@gmail.com>	2025-12-09 22:00:38 +01:00
Ben Brandt	9320e05891	Update to claude-agent-sdk 0.1.61 (#195 )	2025-12-08 12:17:49 +01:00