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SocialAPIsHub

SocialAPIs MCP Server

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facebook_search_posts

Search Facebook posts by keyword with filters for location and date range.

Instructions

Search for Facebook posts by keyword with optional location and time filters

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
queryYesSearch query
location_uidNoLocation UID for filtering
start_timeNoFilter posts after this date (YYYY-MM-DD)
end_timeNoFilter posts before this date (YYYY-MM-DD)
recent_postsNoWhen "true", shows only recent posts
end_cursorNoPagination cursor
Behavior2/5

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

No annotations are present, so the description must fully disclose behavior. It mentions optional filters but omits pagination (even though an 'end_cursor' parameter exists), rate limits, authentication needs, or output format. Minimal transparency beyond basic functionality.

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

Conciseness3/5

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

The description is a single 12-word sentence, which is efficient but too brief for a tool with 6 parameters. It lacks structured details such as usage examples or parameter order. Concise but under-specified.

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?

Given the tool's complexity (6 params, no output schema, no annotations), the description is insufficient. It does not explain pagination behavior, the 'recent_posts' parameter meaning, return types, or how this tool differs from related post-fetching tools. Incomplete for effective use.

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?

The input schema covers all 6 parameters with descriptions (100% coverage). The description adds a summary of 'optional location and time filters' but does not enhance or clarify parameter usage beyond what the schema already provides. Baseline 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?

The description clearly states the verb 'Search', the resource 'Facebook posts', and the optional filters (keyword, location, time). It distinctively positions this tool among siblings like facebook_get_page_posts or facebook_search_people, which serve different purposes.

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 when to use this tool (keyword-based post search) but does not explicitly state when not to use it or mention alternatives among the many sibling tools. No guidance on prerequisites or context is 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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