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famtong8-dev

W3 MCP FalkorDB Server

by famtong8-dev

falkordb_list_graphs

Read-onlyIdempotent

Retrieve a list of all existing graphs from a FalkorDB instance to manage and review graph databases.

Instructions

List all available graphs in FalkorDB.

Retrieves information about all graphs currently stored in the FalkorDB instance.

Args: params (ListGraphsInput): Validated parameters: - response_format (str): 'markdown' or 'json'

Returns: str: Formatted list of graphs

Errors: - Connection error: "Cannot connect to FalkorDB"

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
paramsYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior3/5

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

Annotations already provide readOnlyHint=true, destructiveHint=false, idempotentHint=true, and openWorldHint=true. The description adds a connection error message and confirms it retrieves information, but adds minimal depth beyond annotations.

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?

The description is concise (4 sentences) with clear sections for Args and Returns. It is front-loaded with the main purpose. Minor redundancy (e.g., 'retrieves information' restates 'list') but no excessive content.

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 list tool with one parameter and existing annotations/output schema, the description provides essential information: purpose, input details, and error handling. It does not detail the output structure, but the presence of an output schema mitigates this.

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

Parameters2/5

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

Schema description coverage is 0%, so the description must compensate. It lists response_format options as 'markdown' or 'json', but the schema enum includes 'raw'. This inaccuracy reduces clarity for the agent.

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 'List all available graphs in FalkorDB' with a specific verb ('list') and resource ('graphs'). It distinguishes from sibling tools (get_nodes, query) by its unique purpose.

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 implies usage for listing graphs but does not explicitly provide when-to-use or when-not-to-use guidance relative to siblings. No alternatives or exclusions are mentioned.

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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