Defici Marketplace MCP Server

get_platform_overview

What Defici is and its current live scale — not a listings search result, a description of the platform itself: what agents can do here, how many markets and categories are served, how many modules are enabled beyond listing search, and live platform-scale metrics (e.g. total/active listings). Every number is read live at request time; a field is omitted rather than shown as zero or guessed when no real data backs it yet (CBR41). Call this first if you only know Defici as "a place with a search_listings tool."

Input Schema

TableJSON Schema

Name	Required	Description	Default
No arguments

TDQS

A4.7/5.0

Behavior5/5

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

With no annotations, the description carries full behavioral burden. It discloses that numbers are read live at request time and that fields are omitted rather than guessed or zero-filled (CBR41), which is valuable, non-obvious behavior that helps agents trust the output.

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 compact and front-loaded with 'What Defici is and its current live scale,' then quickly specifies what's included and the handling of missing data. Every sentence serves a purpose with no fluff or repetition.

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?

Given zero parameters and no output schema, the description adequately covers the tool's purpose, content, and edge-case behavior (omitting unbacked fields). It is self-contained sufficient for an agent deciding whether and how to invoke the tool.

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 zero parameters, so the baseline score of 4 applies. The schema is empty, and the description makes it clear there's nothing to configure, so no further parameter semantics are needed.

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 the tool provides an overview of Defici's platform identity and live scale, contrasting it with 'a listings search result' and enumerating specific content: markets, categories, enabled modules, and scale metrics. This distinguishes it from sibling tools like search_listings and get_listing.

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

Usage Guidelines4/5

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

It explicitly advises calling this tool first for agents unfamiliar with Defici beyond search_listings, giving a concrete scenario. It also implicitly says what it's not for ('not a listings search result'), though it doesn't name alternative tools or provide explicit when-not-to-use cases for other siblings.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

All Defici Marketplace MCP Server tools Inspect

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TDQS

A4.2/5.0

Disambiguation5/5

Each tool targets a clearly distinct resource or operation: listing search, listing detail, regions, categories, modules, platform overview, and subscription info. The descriptions also explicitly prevent confusion, such as noting that get_platform_overview is not a listings search result.

Naming Consistency4/5

Tool names follow a readable snake_case verb-first pattern: get_ for detail/info tools, list_ for enumerations, and search_ for queries. The main inconsistency is get_regions returning a full list while list_categories and list_modules use the list_ prefix for the same kind of enumeration.

Tool Count5/5

Seven tools is well-scoped for a read-only marketplace discovery server. Each tool provides a necessary capability without redundancy, and the count stays comfortably in the ideal range.

Completeness5/5

For its stated read-only discovery purpose, the surface is complete: search active listings, fetch listing details, retrieve region and category taxonomies, and understand platform context, modules, and subscription capabilities. No obvious dead ends or missing core operations exist within the declared scope.

Resources

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