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Fundz

by io.github.Fund-z
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Lender Directory

get_lender_directory
Read-onlyIdempotent

Who finances whom: directory of 11,800+ UCC secured parties (lenders) ranked by filing volume, with active-lien counts and lapsing-soon exposure per lender. California + Colorado coverage (CO refreshed daily). No API key required.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

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

Input Schema

NameRequiredDescriptionDefault
qNoLender name search (e.g. 'Wells Fargo')
pageNoPage (50/page). Default: 1

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A4.1/5.0
Behavior4/5

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

Annotations already declare readOnlyHint=true, destructiveHint=false, and idempotentHint=true. Beyond that, the description adds meaningful context: 'No API key required' and 'CO refreshed daily' — disclosing accessibility and data freshness, which are not captured in annotations. No contradictions found.

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 tightly written sentences with no fluff. The opening hook ('Who finances whom') is immediately followed by specific, high-value details (volume ranking, lien counts, exposure, coverage, refresh frequency, API key). Every word earns its place, and key information is front-loaded.

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

Completeness5/5

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

For a simple 2-parameter tool with no output schema and safety carried by annotations, the description is complete. It tells the agent what data the tool returns (active-lien counts, lapsing-soon exposure), pagination defaults are in the schema, and it adds operational context (daily refresh, no API key). Nothing essential is missing.

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 description coverage is 100% for both parameters ('q' and 'page'), so the baseline is 3. The description does not add extra meaning beyond the schema; it restates the context (lender directory) but does not elaborate on formatting or ordering beyond what the schema already provides. It is sufficient but not additive.

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 a specific resource ('directory of 11,800+ UCC secured parties (lenders)') and its unique value proposition: ranked by filing volume with active-lien counts and lapsing-soon exposure. It also specifies geographic coverage (CA + CO), making it unambiguous what the tool provides and differentiating it from broker or other financial directories.

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 by framing 'Who finances whom' and listing coverage and no-API-key requirement, but it does not explicitly state when to use this tool over siblings or include exclusions. It lacks a direct 'use this when you need lender data' or mention of alternatives, leaving the agent to infer the scope.

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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