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CNBS MCP Server

CNBS MCP Server

by icen-ai
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Hybrid

List FRED Series

ext_fred_series
Read-onlyIdempotent

Search and retrieve pre-built data series from FRED, including interest rates, exchange rates, commodities, and macroeconomic indicators. Filter by keyword to find relevant series quickly.

Instructions

列出 FRED 数据源支持的所有预置系列（利率、汇率、大宗商品、宏观经济等）。

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": "ext_fred_series"
  }
}

Input Schema

NameRequiredDescriptionDefault
keywordNo按关键词过滤

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.1.0

TDQS

A3.8/5.0
Behavior3/5

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

Annotations already indicate read-only, non-destructive, idempotent behavior. Description adds content types (利率、汇率等) but does not disclose pagination, result limits, or other behavioral details 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.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Single concise sentence in Chinese, no redundant words. Front-loaded with tool purpose and scope.

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?

Given simple schema (1 optional param, no output schema) and clear annotations, description sufficiently covers purpose and content types. Could mention the return format or whether series are paginated, but overall complete for a list endpoint.

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% with keyword parameter already described as '按关键词过滤'. Description does not add further semantics beyond filtering; baseline score of 3 is appropriate.

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?

Description clearly states the tool lists all preset series from FRED data source (interest rates, exchange rates, commodities, macroeconomics). Verb '列出' (list) and resource 'FRED 系列' are specific and distinct from siblings like ext_fred (which likely fetches data).

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?

Description implies usage for browsing available series but does not explicitly state when to use this tool versus alternatives (e.g., ext_fred or search tools). No when-not-to-use or exclusion criteria provided.

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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