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/sbroenne/mcp-windows/windows-clinpx skills add sbroenne/mcp-windows --skill windows-cligit clone --depth 1 https://github.com/sbroenne/mcp-windowsWhat 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 | $0.00051 | $0.01047 |
| Opus 5 | $0.00026 | $0.00524 |
| Sonnet 5 | $0.00010 | $0.00209 |
| Haiku 4.5 | $0.00005 | $0.00105 |
Grade A, and why
windows-cli 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 2d ago.
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.
How it starts
The opening of the file, as written. The whole thing — 75 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Context
wincli is the command-line twin of the Windows MCP server. Every command calls the exact same
underlying tool, so behavior and JSON output are identical to the MCP tools - only the entry point
differs. Prefer wincli when you already have a shell: one small command vocabulary costs far fewer
tokens than loading every MCP tool schema, and each call is stateless (window handles are OS-global,
so there is no server session to keep alive).
Discovery (do this first)
wincli --help- the command map and a common workflow.wincli tools- every command with its options.wincli tools --json- machine-readable tool manifest (names, descriptions, JSON input schemas); the same surface the MCP server exposes viatools/list. Parse this to construct calls precisely.wincli guidance- the full semantic-automation guide (same text the MCP host receives).
Preferred workflow
wincli window find --title <part>(orwincli app --path <exe>) to get a window handle.wincli ui snapshot --window <handle>to see the accessible element tree.wincli ui find|click|type|select|read --window <handle> ...for normal controls.wincli ui read-table --window <handle> --automation-id <grid>to pull a grid/table/details-list into structured rows + headers in one call. For a web page, add--format articletowincli ui readto get clean main-content text (nav/breadcrumb chrome and inline link URLs stripped, headings/lists as markdown).wincli file-save --window <handle> --path <file>for Save / Save As - never raw Ctrl+S. Usewincli file-open --window <handle> --path <file>for Open flows.wincli clipboard get|set|clearfor fast bulk text IO;wincli macro save|run|list|get|deleteto persist aui batchsequence and replay it by name.- Fall back to
wincli screenshot,wincli mouse, orwincli keyboardonly for custom-drawn UI.
Patterns
Semantic-first automation
- Target elements by
--name,--name-contains,--control-type, or--automation-id, not coordinates. - Add
--with-snapshottoui click/ui type/ui selectto get the updated tree back in the same call (perceive + act fused - avoids a second round trip). - Use
ui batch --window <h> --steps '<json>'to run an ordered sequence (e.g.[{"action":"type","automationId":"UsernameInput","text":"me"},{"action":"click","name":"Submit"}]) in a single invocation.
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.
- 2d ago First seen · 75 lines · 51 tokens per session scan A a5c2f209406c
windows-cli is a skill published in the GitHub repository sbroenne/mcp-windows (87 stars, last pushed 3d ago), licensed MIT. It adds 51 tokens to every session and 1,047 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 2026-08-30.
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