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get_state

Capture a full, read-only snapshot of the current Neovim session, including all window details, folds, marks, diagnostics, highlights, and indent settings. Ideal for gaining a complete understanding of the editor state.

Instructions

Full snapshot of the current Neovim session. Read-only — does not modify any editor state.

Use get_state_brief for quick orientation at the start of a turn. Use this when you need the complete picture: all window details, folds, marks, diagnostics summaries, highlights, and indent settings.

Returns: mode (normal/insert/visual/etc.), cwd, buffers (relative paths of all listed buffers), modified_buffers, current_tab, tab_count.

windows — list of visible windows (current tab only). The active window is always first, the alternate window (previous) is second. Each window entry contains: file (path relative to cwd), filetype, total_lines, modified, buftype ("file" for normal buffers, "terminal", etc.), line, col, indent: {expandtab, shiftwidth, tabstop}. Optional per-window fields (present when applicable):

  • role: "active" or "alternate".

  • context: numbered lines surrounding the cursor.

  • selection: {start_line, start_col, end_line, end_col} in visual modes.

  • folds: list of [start, end] closed fold ranges.

  • diagnostics_summary: {error, warning, info, hint} counts.

  • marks: list of {mark, line, col} for lowercase (a-z) buffer marks.

  • mcp_highlights: list of {start_line, end_line, color} for active highlights.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior5/5

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

No annotations provided, so description bears full burden. It declares read-only behavior, details the return structure including window ordering and optional fields like folds, diagnostics, marks, highlights. No contradictions.

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?

Well-structured with front-loaded purpose and usage, bullet-pointed return fields. Each sentence adds value, though potentially slightly verbose for seasoned users.

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?

No output schema exists, but description comprehensively explains return structure, including optional fields and window ordering. Covers everything an agent needs to understand the tool's output.

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

Parameters4/5

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

No parameters exist, so baseline 4 applies. Description correctly omits parameter details since there are none.

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 'Full snapshot of the current Neovim session' and distinguishes from sibling get_state_brief by specifying it provides the complete picture. It uses specific verb 'snapshot' and resource 'Neovim session'.

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?

Explicitly states when to use get_state_brief (quick orientation) vs this tool (complete picture). Also mentions read-only nature, giving clear context.

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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