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@twitterapis/mcp

by RajGehlot28
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JavaScript
Remote

twitter_check_follow_relationship

Read-only

Check if one Twitter/X account follows another by numeric user ID, including reverse follow and block/mute flags, to verify follow actions or detect mutuals.

Instructions

Check the follow relationship between two accounts by numeric user id: whether the source follows the target, whether the target follows the source, blocking/muting flags where available. Both ids are required. Use this to verify a follow before/after a follow action, or to detect mutuals.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
source_user_idYesNumeric user id of the SOURCE account (the 'is this account following...' subject).
target_user_idYesNumeric user id of the TARGET account (the '...the target?' object).

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.9.9

TDQS

A4.4/5.0
Behavior4/5

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

Annotations declare readOnly, description adds details on what flags are returned (block/mute). No contradiction and provides extra context 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?

Three concise sentences front-load purpose and usage, no wasted words.

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?

For a simple read tool with no output schema, description covers input, return value hints, and usage context. Minor gap: no mention of error handling.

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?

Schema covers both params with descriptions; description rephrases roles ('subject' vs 'object') adding clarity. With 100% schema coverage, additional explanation earns above baseline.

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 checks follow relationship between two accounts by numeric user id, including blocking/muting flags. It distinguishes from sibling tools like follow/unfollow.

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?

Explicitly says both ids required and gives use cases: verify follow before/after or detect mutuals. Lacks explicit when-not but context is clear.

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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