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rncz

Nextcloud Notes MCP Server

by rncz

check_webdav_login

Verify WebDAV authentication for Nextcloud Notes access to manage notes through natural language commands.

Instructions

Check if WebDAV login is successful. Returns a message indicating success or failure.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Implementation Reference

  • The handler function for the 'check_webdav_login' tool, decorated with @mcp.tool() for registration. It checks the WebDAV client connection and returns a success or failure message.
    @mcp.tool()
    def check_webdav_login() -> str:
        """
        Check if WebDAV login is successful.
        Returns a message indicating success or failure.
        """
        try:
            if client.check():  # returns True if login works
                return "✅ WebDAV login successful!"
            else:
                return "❌ WebDAV login failed!"
        except Exception as e:
            return f"❌ WebDAV login failed: {e}"
Behavior2/5

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

No annotations are provided, so the description carries the full burden. It states the tool checks login success and returns a message, but lacks details on authentication requirements, error handling, rate limits, or what the success/failure messages contain. For an authentication tool with zero annotation coverage, this is insufficient behavioral disclosure.

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 two sentences with zero waste: it states the purpose and the return value. It's front-loaded and appropriately sized for a simple tool, with every sentence earning its place.

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

Completeness3/5

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

Given the tool's simplicity (0 parameters, output schema exists), the description is minimally adequate. However, as an authentication tool with no annotations, it should provide more context on authentication mechanisms or error cases. The output schema likely covers return values, so that gap is mitigated, but behavioral aspects are under-specified.

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?

The tool has 0 parameters, and schema description coverage is 100%. The description doesn't need to add parameter semantics, so it meets the baseline. No compensation is required, and it appropriately doesn't discuss parameters.

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

Purpose4/5

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

The description clearly states the tool's purpose: 'Check if WebDAV login is successful.' It specifies the verb ('Check') and resource ('WebDAV login'), making the intent unambiguous. However, it doesn't differentiate from sibling tools, which are all note/category management tools unrelated to authentication, so no sibling distinction is needed or provided.

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

Usage Guidelines2/5

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

The description provides no guidance on when to use this tool versus alternatives. It doesn't mention prerequisites (e.g., needing credentials), context for invocation, or exclusions. The sibling tools are unrelated, so no explicit comparison is given, but general usage context is missing.

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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