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Open Kioku

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Rust
Local

Open Kioku Dependency Path

dependency_path
Read-onlyIdempotent

Trace the shortest dependency or reference path between two files or symbols to show how they are connected.

Instructions

Trace the shortest dependency or reference path between two files or symbols, illustrating how they are connected. Use to explain how two files or symbols are connected through indexed dependencies. Prefer module_dependencies for local neighbors and impact_analysis for downstream blast radius. This is read-only.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
toYesThe target node path or symbol name.
fromYesThe starting node path or symbol name.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
valueNoWrapped non-object output, used for Markdown, TOON, or scalar responses.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv2.2.3
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "additionalProperties": true,
+  "description": "The MCP structuredContent object returned by this Open Kioku tool. Most tools expose their JSON fields directly; string or scalar tool outputs are wrapped as {\"value\": ...}.",
+  "properties": {
+    "value": {
+      "description": "Wrapped non-object output, used for Markdown, TOON, or scalar responses."
+    }
+  },
+  "type": "object"
+}
  2. Changed2 schema fields changedv2.0.3
    • changedInput schema / properties / from / description
      Previous value: -"Source file path or symbol name"New value: +"The starting node path or symbol name."
    • changedInput schema / properties / to / description
      Previous value: -"Target file path or symbol name"New value: +"The target node path or symbol name."
  3. First observedv2.0.1

TDQS

A4.3/5.0
Behavior3/5

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

Annotations already declare readOnlyHint=true, destructiveHint=false, idempotentHint=true. The description adds 'This is read-only,' which is consistent but does not provide additional behavioral context beyond what annotations already communicate.

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?

The description is concise with two sentences, front-loaded with the core action, and efficiently includes usage guidance and alternatives without unnecessary words.

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 existence of an output schema, the description does not need to explain return values. It covers purpose, usage, and alternatives, making it complete for this tool's simplicity and the rich annotations/schema.

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%, so the schema already describes both parameters. The description does not add extra meaning about parameter semantics beyond the schema.

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 the tool traces the shortest dependency path between two files/symbols, and distinguishes from sibling tools like module_dependencies and impact_analysis by specifying their use cases.

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 explicitly provides usage guidance: 'Use to explain how two files or symbols are connected through indexed dependencies. Prefer module_dependencies for local neighbors and impact_analysis for downstream blast radius.' This tells when to use this tool and when to use alternatives.

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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