ReMCP

Computer Multi Edit

computer_multi_edit

Destructive

Use this for a bounded batch of native accessibility edits on already identified desktop controls. Verify each requested change and target before applying; individual edits can change application data.

Input Schema

Name	Required	Description
`x`	No	Virtual-desktop X coordinate used by click/scroll coordinate targeting.
`y`	No	Virtual-desktop Y coordinate used by click/scroll coordinate targeting.
`id`	No	Element id returned by ui_snapshot or ui_find. Linux ids are stable per-process accessibility paths and legacy linux:<index> ids remain accepted.
`app`	No	Limit matching to an application/process name substring when available.
`pid`	No	Limit matching to one owning process id when available.
`name`	No	Accessible name/title substring.
`role`	No	Accessible role such as Button, Edit, textbox or AXButton.
`edits`	Yes	Native semantic target + text entries for action=multi_edit.
`label`	No	Compact numeric label from the most recent ui_snapshot/ui_find; useful for repeated actions without repeating names or coordinates.
`title`	No	Optional browser page title substring or top-level window title when target=window.
`device`	Yes	ReMCP device id returned by list_devices. Required for every device operation.
`target`	No	Optional target type. auto prefers native accessibility, then browser DOM/CDP, then OCR/coordinates where supported. Use window for explicit top-level window focus/text/scroll targeting.
`ocr_text`	No	Visible text to find in rendered pixels for the OCR click fallback.
`selector`	No	CSS selector when the fallback target is a browser element.
`window_id`	No	Top-level window id returned by list_windows when target=window.
`browser_text`	No	Visible browser text used only to locate a DOM target; for action=type, text remains the value to enter.
`window_title`	No	Limit matching to a top-level accessibility window/frame title substring when available.
`automation_id`	No	Windows AutomationId when available.

Output Schema

Name	Required	Description	Default
`data`	No	Computer action structured result for computer_action. Stable fields are declared explicitly; platform-specific fields may be added. Large results may return truncated/bytes/preview instead of the full payload.
`text`	Yes	Concise human-readable result of the tool call.

Schema Changelog

Changes observed during successful MCP inspections.

AddedOct 19, 2026

TDQS

A3.5/5.0

Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare destructiveHint=true, idempotentHint=false, and openWorldHint=true. The description usefully reinforces that 'individual edits can change application data' and urges verification before applying, but it omits batch-critical behavior: edit ordering, partial-failure semantics, and whether the batch is atomic.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two sentences, front-loaded with the use case followed by the safety instruction. Every clause earns its place with no filler.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

An output schema exists, so return values need not be explained, and annotations cover the destructive/non-idempotent profile. For an 18-parameter destructive batch tool, though, the description should address what happens when one edit's target is missing or fails mid-batch, since that determines whether the agent should split edits or retry.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, including full documentation of the nested edits object fields (method, clear, label, etc.), so the baseline is 3. The description adds only the notion of a bounded batch and pre-identified targets; it does not clarify selection precedence among id/app/pid/name/role or the meaning of the top-level parameters for a multi-edit action.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a specific verb and resource: a bounded batch of native accessibility edits on already identified desktop controls. 'Batch' and 'native accessibility' make the purpose clear, though it never names the single-edit siblings (computer_set_value, computer_type, ui_set_value) it is distinct from.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

'Use this for a bounded batch' establishes when the tool applies, and 'Verify each requested change and target before applying' adds a safety precondition. However, it gives no explicit when-not guidance or alternatives for single edits, browser form fills, or UI elements that still need identification via ui_snapshot/ui_find.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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