[BUG] Claude Code SDK unable to find executable

[elct9620]

Preflight Checklist

• I have searched existing issues and this hasn't been reported yet
• This is a single bug report (please file separate reports for different bugs)
• I am using the latest version of Claude Code

What's Wrong?

When I use the latest SDK (@anthropic-ai/claude-code@1.0.108) to run Claude without providing an executable path, it returns an error message saying executable not found.

What Should Happen?

The SDK can call Claude Code correctly when installed via native / npm global.

Error Messages/Logs

file:///Users/elct9620/.npm/_npx/ffd3793520e2fbc9/node_modules/@aotoki/ccharness/dist/index.js:9950
                                throw new ReferenceError(errorMessage);
                                      ^

ReferenceError: Claude Code executable not found at /Users/elct9620/.npm/_npx/ffd3793520e2fbc9/node_modules/@aotoki/ccharness/dist/cli.js. Is options.pathToClaudeCodeExecutable set?
    at ProcessTransport.initialize (file:///Users/elct9620/.npm/_npx/ffd3793520e2fbc9/node_modules/@aotoki/ccharness/dist/index.js:9950:11)
    at new ProcessTransport (file:///Users/elct9620/.npm/_npx/ffd3793520e2fbc9/node_modules/@aotoki/ccharness/dist/index.js:9908:8)
    at query (file:///Users/elct9620/.npm/_npx/ffd3793520e2fbc9/node_modules/@aotoki/ccharness/dist/index.js:14759:20)
    at ClaudeReviewService$1.callAgent (file:///Users/elct9620/.npm/_npx/ffd3793520e2fbc9/node_modules/@aotoki/ccharness/dist/index.js:14825:31)
    at ClaudeReviewService$1.review (file:///Users/elct9620/.npm/_npx/ffd3793520e2fbc9/node_modules/@aotoki/ccharness/dist/index.js:14813:29)
    at ReviewCode.execute (file:///Users/elct9620/.npm/_npx/ffd3793520e2fbc9/node_modules/@aotoki/ccharness/dist/index.js:4879:48)
    at async Command$2.reviewAction (file:///Users/elct9620/.npm/_npx/ffd3793520e2fbc9/node_modules/@aotoki/ccharness/dist/index.js:4904:2)
    at async Command$2.parseAsync (file:///Users/elct9620/.npm/_npx/ffd3793520e2fbc9/node_modules/@aotoki/ccharness/dist/index.js:2003:4)
    at async file:///Users/elct9620/.npm/_npx/ffd3793520e2fbc9/node_modules/@aotoki/ccharness/dist/index.js:15006:1

Node.js v22.16.0

Steps to Reproduce

1. Create a TypeScript project with pnpm init

• with { "bin": "dist/index.js" }

3. Add @anthropic-ai/claude-code as a dependency, implement some query
4. Compile to dist/index.js
5. Use npx . to run it
6. Got an executable not found error

npm install -g or claude install to switch native version, both are unable to make it work correctly

Claude Model

Sonnet (default)

Is this a regression?

I don't know

Last Working Version

1.0.67

Claude Code Version

1.0.108

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Other

Additional Information

No response

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