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MCP Server Replicate

get_model_details

Retrieve detailed specifications and configuration data for AI models to verify compatibility and understand capabilities before deployment.

Instructions

Get detailed information about a specific model.

    Args:
        model_id: Model identifier in format owner/name

    Returns:
        Detailed model information
    

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
model_idYes

Implementation Reference

  • Registration of the 'get_model_details' tool using the @mcp.tool decorator, specifying the name and description.
    @mcp.tool(
        name="get_model_details",
        description="Get detailed information about a specific model.",
    )
  • The handler function implements the logic to retrieve detailed model information by parsing the model_id, querying the owner's models via ReplicateClient, falling back to search if not found, and returning a Model object or raising ValueError.
    async def get_model_details(model_id: str) -> Model:
        """Get detailed information about a specific model.
        
        Args:
            model_id: Model identifier in format 'owner/model'
            
        Returns:
            Model object containing detailed model information
            
        Raises:
            RuntimeError: If the Replicate client fails to initialize
            ValueError: If the model is not found
            Exception: If the API request fails
        """
        owner, name = model_id.split("/")
        async with ReplicateClient() as client:
            # First try to find the model in the owner's models
            result = client.list_models(owner=owner)
            for model in result["models"]:
                if model["name"] == name:
                    return Model(**model)
            
            # If not found, try searching for it
            search_result = await client.search_models(model_id)
            for model in search_result["models"]:
                if f"{model['owner']}/{model['name']}" == model_id:
                    return Model(**model)
            
            raise ValueError(f"Model not found: {model_id}")
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 of behavioral disclosure. It states the tool retrieves information, implying it is a read-only operation, but does not disclose other behavioral traits such as authentication needs, rate limits, error handling, or what 'detailed information' entails. For a tool with zero annotation coverage, this is a significant gap.

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 appropriately sized and front-loaded, with the main purpose stated clearly in the first sentence. The Args and Returns sections are structured efficiently, adding necessary details without redundancy. Every sentence earns its place, making it concise and well-organized.

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

Completeness2/5

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

Given the complexity of a tool with one parameter but no annotations and no output schema, the description is incomplete. It lacks details on what 'detailed information' includes, how errors are handled, or any behavioral context. For a tool in this context, more information is needed to ensure the agent can use it effectively.

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?

The description adds some meaning beyond the input schema by specifying the format of 'model_id' as 'owner/name', which is not covered in the schema (0% description coverage). However, it does not fully compensate for the lack of schema descriptions, as it only addresses one parameter and does not explain its significance or constraints in detail.

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: 'Get detailed information about a specific model.' It specifies the verb ('Get') and resource ('model'), but does not distinguish it from sibling tools like 'list_models' or 'search_models', which might provide similar or overlapping functionality. The purpose is clear but lacks sibling differentiation.

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 does not mention sibling tools such as 'list_models' or 'search_models', nor does it specify prerequisites or contexts for usage. The only implied usage is when detailed information for a specific model is needed, but this is not explicit.

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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