is_empty
Check if text is empty or whitespace only.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| text | No | The text to check |
Output Schema
| Name | Required | Description | Default |
|---|---|---|---|
| text | Yes | ||
| is_blank | Yes | ||
| is_empty | Yes | ||
| is_whitespace_only | Yes |
Check if text is empty or whitespace only.
| Name | Required | Description | Default |
|---|---|---|---|
| text | No | The text to check |
| Name | Required | Description | Default |
|---|---|---|---|
| text | Yes | ||
| is_blank | Yes | ||
| is_empty | Yes | ||
| is_whitespace_only | Yes |
Changes observed during successful MCP inspections. Dates show when Glama detected each change.
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries full behavioral burden. It does not explain the return type or format, nor does it clarify behavior when 'text' is not provided (default ''). For a tool with a nullable-like parameter ('required': []), this lack of detail is a gap.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
The description is a single, front-loaded sentence with no wasted words. It efficiently communicates the core functionality.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
Given the tool's simplicity (1 parameter, no required fields, output schema present), the description is minimally adequate. However, it omits information about the output format or default behavior, which would be beneficial for complete understanding.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
The input schema already provides a description for the 'text' parameter ('The text to check'), and the tool description adds no additional semantic value. Schema coverage is 100%, so baseline 3 is appropriate.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
The description uses a specific verb ('Check') and resource ('text') with a clear condition ('empty or whitespace only'), making the tool's purpose unmistakable. It distinguishes itself from sibling tools like 'contains' or 'starts_with' by focusing solely on emptiness.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The description implies usage for checking text emptiness but provides no explicit guidance on when to use this tool versus alternatives (e.g., 'is_between', 'in_range'). No when-not-to-use or alternative tool mentions are present. The simplicity of the tool partially compensates.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Add one secure layer between your agents and this server.
Many tools have overlapping purposes, such as multiple random generators (random_integer, random_number), duplicate hashing functions (hash_md5, md5_checksum), and near-identical tools (compare, compare_2, compare_decimals). The sheer number of tools and lack of clear boundaries make it difficult for an agent to differentiate.
Naming is highly inconsistent. There are duplicate tools with different names (camel_case vs to_camel_case, slug vs slugify), arbitrary suffixes like '_2', and mixing of patterns (e.g., generate_password vs password_entropy). No clear convention is followed.
With 572 tools, the server is massively overpopulated for any coherent purpose. It includes trivial endpoints (true_endpoint, null, hello_world) and numerous duplicates, far exceeding a well-scoped utility set.
While the server covers many domains (math, strings, dates, colors, etc.), the presence of duplicate and trivial tools indicates a lack of thoughtful curation. There are gaps in basic operations (e.g., no dedicated file or network tools), and many tools are redundant.