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mcp-eveng

by madmickstar

edit_lab_nodes_by_template

Bulk-edit interfaces, CPU, memory, icon, or image across nodes of a single template in an EVE-NG lab. Guides step-by-step to resolve template and node selections, then applies changes after confirmation.

Instructions

Bulk-edit interfaces/cpu/memory/icon/image across nodes of exactly one template.

Search by vendor and/or template (case-insensitive substring, at least one required). More than one template matching: lists every match (numbered) and asks you to narrow further -- a more specific vendor/template, or template_selection (number or exact template id) -- repeat until exactly one remains. Never targets more than one template per call.

Once resolved, node_selection picks which of that template's nodes to target: "all", or number(s)/exact name(s) (space/comma separated).

Then component (interfaces/cpu/memory/icon/image) and value say what to change. For component="icon", value is unused -- icon_search narrows EVE-NG's icon catalog the same way template matches do, via icon_selection. For component="image", value is also unused -- image_search narrows this resolved template's own valid images (not a global catalog -- images are template-scoped), via image_selection.

Whatever isn't supplied is prompted for one piece at a time -- each call re-derives everything fresh from what's currently given, there's no server-side session.

Final confirmation always summarizes every affected node, the template, and the change, and warns that every affected node will be stopped first (required regardless of PRO/Community). Reply "accept" or "yes" (confirm) to apply; anything else cancels -- same wording as every delete tool.

Args: lab_path: Full path to the .unl lab file. vendor: Vendor to search for, e.g. "cisco". At least this or template is required. template: Template id/name fragment to search for, e.g. "vios". template_selection: When multiple templates matched, the number or exact template id of the one you want. node_selection: "all", or the number(s)/exact name(s) (space/comma separated) of the nodes to target. component: What to change: "interfaces", "cpu", "memory", "icon", or "image". value: New numeric value, for interfaces/cpu/memory. icon_search: Icon filename fragment to search for, for component="icon". icon_selection: When multiple icons matched, the number or exact filename of the one you want. image_search: Image filename fragment to search for, for component="image" -- searched within the resolved template's own valid images only. image_selection: When multiple images matched, the number or exact filename of the one you want. confirm: Set true on the final call to actually apply.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
valueNo
vendorNo
confirmNo
lab_pathYes
templateNo
componentNo
icon_searchNo
image_searchNo
icon_selectionNo
node_selectionNo
image_selectionNo
template_selectionNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior5/5

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

No annotations were provided, so the description bears full responsibility for disclosing behavior. It comprehensively details the disambiguation process, the node selection mechanism, the component-specific handling (icon vs image searches and scopes), the interactive prompting for missing args, the lack of server-side session, and the mandatory node-stop before applying changes. This is exceptionally thorough.

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

Conciseness4/5

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

The description is long but well-structured, using clear sections and bullet-style paragraphs. It is front-loaded with the primary purpose. However, it could be slightly more concise by reducing repetition (e.g., the interactive prompting concept is explained multiple times). Every sentence earns its place, but the length is at the upper edge of practicality.

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

Completeness5/5

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

Given the tool's complexity (12 parameters, multi-step flow, component-specific logic, confirmation requirement) and the complete absence of annotations, the description is remarkably complete. It covers template resolution, node selection, component change semantics, icon/image scoping, interactive prompting, and confirmation. The output schema exists, so return value details are not needed.

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

Parameters5/5

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

Schema description coverage is 0%, so the description must fully compensate for the 12 parameters. It does so by explaining each parameter's purpose, constraints (e.g., 'at least one of vendor or template'), search behavior (case-insensitive substring), selection logic, and special cases (icon/image value is unused). The explanation is richer than any schema alone could provide.

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

Purpose5/5

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

The description clearly states it bulk-edits interfaces/cpu/memory/icon/image across nodes of exactly one template. It specifies the verb ('Bulk-edit'), the resource ('nodes of exactly one template'), and the scope of allowed changes. This distinguishes it from other lab editing tools (e.g., edit_lab_node, edit_lab) and from listing tools.

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

Usage Guidelines5/5

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

The description provides explicit guidance on when to use this tool: it requires at least one of vendor or template, explains how disambiguation works if multiple templates match, and describes the multi-step prompting flow. It also states that the tool never targets more than one template per call, and implies that for single-node edits, edit_lab_node might be more appropriate. The final confirmation step is clearly documented.

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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