Visual Studio Code is a code editor that supports editing, navigating, understanding, debugging, and extending software projects. Developers use it for the edit-build-debug cycle, and the catalogue add-ons provide skills, instructions, and agents for working within the editor.
Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/microsoft/vscode/troubleshootnpx skills add microsoft/vscode --skill troubleshootgit clone --depth 1 https://github.com/microsoft/vscodeWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/microsoft/vscode/troubleshoot)<a href="https://agentmods.dev/skills/microsoft/vscode/troubleshoot"><img src="https://agentmods.dev/badge/skills/microsoft/vscode/troubleshoot.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00055 | $0.04737 |
| Opus 5 | $0.00028 | $0.02368 |
| Sonnet 5 | $0.00011 | $0.00947 |
| Haiku 4.5 | $0.00006 | $0.00474 |
Grade A, and why
troubleshoot scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
Copies of this mod
1 near-identical copy found in the catalogue:
- troubleshoot — 98% identical, 2 lines differ
How it starts
The opening of the file, as written. The whole thing — 272 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Troubleshoot
Purpose
This skill investigates and explains unexpected chat agent behavior using direct log files.
Use this skill for questions like:
- Why did this request take so long?
- Why was a tool or subagent called?
- Why did instruction/skill/agent files not load?
- Why was a tool call blocked or failed?
- Why did the model not follow expectations?
Base conclusions on evidence from logs. Do not guess.
Data Source
- Target session log directory/directories for analysis:
{{VSCODE_TARGET_SESSION_LOG}}
Use direct debug log files written by Copilot Chat:
debug-logs/<sessionId>/
main.jsonl — always start here; primary conversation log
models.json — (optional) snapshot of available models at session start
system_prompt_0.json — (optional) full system prompt sent to the model (untruncated)
system_prompt_1.json — (optional) written when the model changes mid-session
tools_0.json — (optional) tool definitions sent to the model
tools_1.json — (optional) written when the model changes mid-session
runSubagent-<agentName>-<uuid>.jsonl — (optional) subagent's tool calls & LLM requests
searchSubagent-<uuid>.jsonl — (optional) search subagent work
title-<uuid>.jsonl — (optional, UI-only) title generation
categorization-<uuid>.jsonl — (optional, UI-only) prompt categorization
summarize-<uuid>.jsonl — (optional, UI-only) conversation summarization
Always read main.jsonl first — it has the full conversation flow. Child files only appear when those operations occurred. main.jsonl contains child_session_ref entries that link to each child file by name. Title, categorization, and summarize files are UI housekeeping and rarely relevant to troubleshooting. When investigating model availability or selection issues, read models.json — it contains the full list of models (with capabilities, billing, and limits) that were available when the session started.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- yesterday First seen · 272 lines · 55 tokens per session scan A 05f6bc0593df
troubleshoot is a skill published in the GitHub repository microsoft/vscode (190,863 stars, last pushed today), licensed MIT. It adds 55 tokens to every session and 4,737 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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