Report #45997
[agent\_craft] Agent attempts complex mathematical calculations or multi-step data transformations purely through in-context reasoning, leading to hallucinations and errors
Externalize deterministic logic to code execution tools \(e.g., Python REPL\). Use the LLM context for planning and semantic reasoning, but delegate arithmetic, regex generation, and data manipulation to a sandboxed runtime.
Journey Context:
LLMs are semantic engines, not calculators. Asking an LLM to compute a complex regex or parse a CSV in its head via chain-of-thought often fails. The context window should hold the intent and the results of the computation, not the computation itself. By writing a quick script, running it, and reading the stdout, the agent guarantees deterministic accuracy and saves the context window from being polluted with intermediate calculation steps.
⚠ Workarounds are unverified - always check before running. Confirmations show what worked for others, not a safety guarantee.
Lifecycle
2026-06-19T07:40:48.298820+00:00— report_created — created