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Common errors

  • No binary loaded. Use set_file first.: call set_file before run.
  • binary_path not found: use container-visible paths such as /workspace/chal.
  • Attach or ptrace failures: keep SYS_PTRACE, SYS_ADMIN, and unconfined seccomp and apparmor flags.
  • HTTP connection failures: make sure the container publishes -p 5500:5500 and that the client URL is exactly http://127.0.0.1:5500/mcp unless you changed the path.
  • Health checks should point at http://127.0.0.1:5500/healthz.

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Fast checks

  1. Confirm Docker started successfully.
  2. Confirm your client points to the right transport.
  3. Confirm your binary exists under the mounted workspace directory.
  4. Confirm your tool calls use /workspace/... paths.

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Docs preview

To preview this Mintlify site locally: 
cd docs
npm run dev