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How to reuse remembered code only when it is still verified with Heimdall

Check each hit's verdict so an agent acts on STRONG matches and skips stale paths.

Who it is forAn engineer who lets an agent reuse past code and needs to avoid acting on a moved or changed file.

The problemVector search returns plausible matches, and an agent that acts on a dead or changed path wastes time or breaks work.

The outcomeEach result carries a verdict, so an agent can reuse STRONG paths directly and treat WEAK, REBUILT, STALE or REMOVED paths with care.

What you need first

  • Node.js with npm, to run `npm i -g @arihantdeva/heimdall`
  • macOS or a Debian, Ubuntu, Fedora or Amazon Linux machine, with the build prerequisites listed in the README for the graft backend
  • git, because llama.cpp is cloned at first build
  • A supported agent harness: pi, Claude Code, Codex, Cursor, Windsurf, or opencode

Steps

  1. npm i -g @arihantdeva/heimdall
  2. heimdall setup
  3. heimdall doctor
  4. heimdall search "<topic>" (inferred, check the README)
  5. heimdall verify --deep

Prompt for your agent

Use the heimdall CLI from ArihantDeva/heimdall to search for <topic>. Reuse only hits marked STRONG, and list WEAK or STALE hits separately with the printed reason. Expected output: a table of verdicts and paths. Verify each STRONG path with a file check before editing it.

Caveat. The README states that a same-size rewrite that also restores mtime is invisible to a stat-based STRONG check, so `heimdall verify --deep` is needed for that case.

Use this in your AI agent

Ask your agent

Using the Deduped MCP, get the setup steps for ArihantDeva/heimdall and "Reuse remembered code only when it is still verified"

Add Deduped to Claude Code once

claude mcp add --transport http deduped https://dedupedai.com/mcp

Cursor, ChatGPT, others

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