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Textcase

by io.github.pipeworx-io
OverviewDiscussionsAdmin

Convert Case

convert_case
Read-onlyIdempotent

Convert text to a target case: camel, pascal, snake, kebab, constant, title, sentence, lower, upper, dot, or slug (keyless, offline).

Example tool call

This call uses example arguments supplied in the tool’s input schema.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "text": "hello world example",
      "target": "camel"
    },
    "name": "convert_case"
  }
}

Input Schema

NameRequiredDescriptionDefault
textYesThe text to convert.
targetYesTarget case: camel | pascal | snake | kebab | constant | title | sentence | lower | upper | dot | slug.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedInput schema / examples
      Previous value: -[
-  {
-    "target": "camelCase",
-    "text": "hello world example"
-  },
-  {
-    "target": "kebab",
-    "text": "convert_this_text"
-  }
-]New value: +[
+  {
+    "target": "camel",
+    "text": "hello world example"
+  },
+  {
+    "target": "kebab",
+    "text": "convert_this_text"
+  }
+]
  2. Changed1 schema field changed
    • addedInput schema / examples
      Added value: +[
+  {
+    "target": "camelCase",
+    "text": "hello world example"
+  },
+  {
+    "target": "kebab",
+    "text": "convert_this_text"
+  }
+]
  3. First observed

TDQS

A4/5.0
Behavior4/5

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

Annotations already declare readOnly, openWorld, idempotent, and non-destructive traits, but the description adds the behavioral trait 'offline' and implies 'keyless' (no authentication needed), which goes beyond annotation hints.

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?

A single sentence that is front-loaded with the core purpose and efficiently lists all target cases without extraneous words.

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

Completeness4/5

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

For a simple string transformation tool with no output schema, the description adequately explains inputs and behavior. It could mention that the output is the converted string, but this is strongly implied.

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?

With 100% schema description coverage, the description repeats the enum-like list of target cases already present in the schema's property description, adding no new meaning. Baseline 3 applies.

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 uses the specific verb 'convert' with resource 'text' and explicitly lists 11 target cases (camel, pascal, snake, etc.), clearly distinguishing this tool from siblings like 'all_cases' which may offer different functionality.

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?

The description does not specify when to use this tool versus alternatives like 'all_cases' or other text utilities. It neither provides when-not-to-use guidance nor mentions prerequisites, leaving the agent to infer 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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