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Live-lane probe — reads an attached uploaded file with the Read tool and quotes its marker line.
Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.
Based on SOC occupation classification
Test or debug a Claude Code skill/plugin under Claude Cowork's runtime — sandboxed agent, default-deny egress, the can_use_tool permission/question protocol — using the cowork-harness CLI. Use when validating or regression-testing a skill, authoring or debugging a scenario YAML (prompt + scripted answers + assert:), choosing a fidelity tier, scripting AskUserQuestion / tool-permission answers, or asserting artifacts, egress, or sub-agent dispatch. Especially when a harness run no-ops an assertion, fails on an unanswered gate, false-greens, a steered answer never reaches the model, or a web_fetch is unexpectedly denied or gated. Also when iterating or hardening a skill across fixes, or grounding a skill's self-critique against its own run evidence — including a document-analysis skill (cap table, deck, financial model, transcript) that needs an uploaded file attached to be critiqued at all. NOT for generic unit testing (pytest/vitest of your own scripts) or non-Cowork CI. Covers the skill / run / chat / record
Live-lane probe — dispatches one sub-agent that must research with the WebSearch tool.
Internal harness probe for resume-continuity. Use when asked to run the resume-continuity probe, to load the probe skill, or to retrieve the vault passphrase.
fixture skill A — has a candidate source under scripts/
fixture skill B — sibling of skill-a, must be excluded when the target is skill-a directly
fixture skill for collectArtifactSources — proves scripts/ is reached
| name | upload-read-probe |
| description | Live-lane probe — reads an attached uploaded file with the Read tool and quotes its marker line. |
When asked to read the attached file: use the Read tool (never bash) on the uploads path your system prompt advertises for attached files, and reply with the file's first line verbatim.
