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fpgaZeroMCP

fpgaZeroMCP

by lcapossio
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
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generate_ip

Generates HDL source files and a Verilog instantiation snippet for a parameterized IP core, applying specified parameter overrides.

Instructions

Generate a parameterized instance of an IP core. Returns the HDL source files and a ready-to-paste Verilog instantiation snippet with the requested parameter values applied.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "name": "<name>"
    },
    "name": "generate_ip"
  }
}

Input Schema

NameRequiredDescriptionDefault
nameYesCore name, e.g. 'uart_tx' or 'fifo'
parametersNoParameter overrides, e.g. {"CLKS_PER_BIT": 434}
instance_nameNoVerilog instance name (default: <core_name>_inst)

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.3.0

TDQS

B3.3/5.0
Behavior2/5

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

No annotations are provided, so the description must fully disclose behavioral traits. It mentions the return type (HDL files and snippet) but omits side effects, permission requirements, error handling, or whether the tool consumes external resources. Without annotations, this lack of safety and behavioral detail 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?

Two sentences, no fluff, front-loaded with action and output. Every sentence is informative and earns 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 no output schema and moderate complexity (3 params, one nested object), the description covers the basic purpose and return type but lacks details on expected structure of HDL files, error conditions, and dependencies. It is adequate but leaves gaps that could mislead an agent.

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?

Schema coverage is 100%, so baseline is 3. The description adds minimal value ('with the requested parameter values applied') and does not elaborate on the 'parameters' object structure or validation rules beyond the schema. No additional semantic guidance is provided.

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 a specific verb ('Generate') and resource ('parameterized instance of an IP core'), clearly stating the output: 'HDL source files and a ready-to-paste Verilog instantiation snippet'. This distinguishes it from sibling tools like get_ip_core (which likely retrieves without generating) and list_ip_cores (which lists cores).

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?

No explicit guidance on when to use this tool versus alternatives. With many sibling tools (e.g., get_ip_core, list_ip_cores, import_*), the description fails to mention scenarios where other tools would be more appropriate, leaving the agent to infer usage 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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