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CalK16

feedbin-mcp

by CalK16

feedbin_get_tagging

Retrieve a specific Feedbin tagging by its ID to inspect or manage how articles and feeds are categorized.

Instructions

Get one tagging by id.

Input Schema

NameRequiredDescriptionDefault
tagging_idYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.9/5.0
Behavior2/5

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

With no annotations, the description carries the full behavioral burden. 'Get' implies a safe read, which is helpful, but there is no mention of what happens for a nonexistent id, what the returned tagging contains, or any auth requirements for a 1-param lookup tool.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

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

One short, front-loaded sentence with no filler. It is efficient, though its brevity edges toward under-specification rather than true conciseness.

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?

For a simple single-parameter read tool this is minimally viable, but with no annotations, no output schema, and 0% parameter coverage, the description leaves the return value and id provenance entirely unspecified.

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 0%, so the description must compensate. 'By id' does confirm that tagging_id is an identifier, but it doesn't explain where to source that id (e.g., from list_taggings) or its expected format beyond the integer type in the schema.

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 states a specific verb and resource with scope: 'Get one tagging by id.' That clearly separates it from the feedbin_list_taggings sibling, though it never names or contrasts against any sibling explicitly.

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?

There is no guidance on when to use this versus list_taggings or how to obtain a valid tagging_id in the first place. The single sentence implies 'fetch a single tagging' but offers no alternatives, prerequisites, or exclusions.

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