50 lines
2.9 KiB
Markdown
50 lines
2.9 KiB
Markdown
 
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# Detecting AI Agent Terminals in PowerShell (PanoramicData community)
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## Metadata
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| Field | Value |
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| Institute | Molodetz Institute — Research & Retrieval Division |
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| Subject | shell-multiplexer-auto-attach |
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| Document type | Source Dossier |
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| Tier | 1 |
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| Source title | Detecting AI Agent Terminals in PowerShell |
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| Source URL | https://community.panoramicdata.com/t/detecting-ai-agent-terminals-in-powershell/116 |
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| Source publisher / author | PanoramicData community forum |
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| Source type | forum thread |
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| Source date (published) | Unknown — not stated |
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| Date researched | 2026-10-09 |
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| Researched by | tai (agent), model: Claude Sonnet 5, on behalf of retoor |
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| Research method | web search synthesis |
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| Confidence | Medium |
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| Status | Active |
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## Summary
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A direct discussion of this exact problem — telling an AI coding agent's terminal apart from a genuine human one — on a different shell (PowerShell, not bash), using a combination of agent-specific environment-variable checks, parent-process-name inspection, and interactive-mode detection together, rather than any single signal.
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## Key findings
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- Real tools in this space (per the search synthesis, including a shell-prompt configuration project) already check for an `AI_AGENT`-style environment variable and skip normal interactive behavior (loading a prompt theme, etc.) when both that variable is set AND the shell is otherwise non-interactive.
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- A separate tool mentioned in the synthesis takes a different approach: it identifies agent CLIs by process name (`claude`, `codex`, `gemini`, `amp`) rather than by environment variable, specifically to avoid raising false alerts for ordinary bash sessions.
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- Confirms multiple independent tools in the wild have already converged on "combine several weak signals" as the working answer, on a different OS/shell, for essentially the same problem this subject is researching for bash.
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## Pros / strengths
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- Cross-platform corroboration (PowerShell, not bash) of the same conclusion this subject's bash-specific dossiers reach independently — strengthens confidence this is a fundamental property of the problem, not a bash-specific quirk.
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- Names a concrete, already-existing convention (an `AI_AGENT`-style env var) that tai could adopt or recognize for interoperability with other tools doing the same detection.
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## Cons / limitations / caveats
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- PowerShell-specific implementation details don't transfer directly to bash; only the *strategy* (combine env var + parent process + mode) transfers.
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## Relevance to tai
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Directly supports the proposal's recommended detection design: check a combination of `$-` (interactive flag), `$TMUX`/`$SSH_TTY` (not-already-wrapped), and the parent process name/an agent-identifying env var (to explicitly exclude known automation tools, including Claude Code's own shell tool) — never a single signal.
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## Changelog
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| Date | Change |
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| 2026-10-09 | Initial dossier created. |
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