Skip to main content
Glama
Livia-Zaharia

Just Facebook MCP Server

get_post_share_count

Retrieve the share count for a Facebook post by providing its post ID to measure content reach and engagement.

Instructions

Get the number of shares for a post. Input: post_id (str) Output: integer share count

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
post_idYes
Behavior2/5

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

No annotations are provided, so the description carries full burden. It states it's a read operation ('Get'), implying non-destructive, but doesn't disclose permissions, rate limits, or behavioral traits like error handling or response format beyond output type.

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 appropriately sized and front-loaded, with three concise sentences that directly state purpose, input, and output without waste. Every sentence adds value.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given low complexity, no annotations, no output schema, and 0% schema coverage, the description is minimally adequate. It covers basic purpose and I/O but lacks behavioral context, making it incomplete for optimal agent 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?

Schema description coverage is 0%, so the description must compensate. It adds meaning by specifying 'post_id (str)' and linking it to the output, but doesn't explain format, validation, or examples. With one parameter, baseline is 4, but lack of detail reduces score.

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 clearly states the verb ('Get') and resource ('number of shares for a post'), making the purpose specific and understandable. It distinguishes from siblings like 'get_number_of_likes' or 'get_post_impressions' by focusing on shares, but doesn't explicitly differentiate beyond that.

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?

No guidance is provided on when to use this tool versus alternatives. It doesn't mention prerequisites, context, or exclusions, leaving the agent to infer usage from the name alone among many sibling tools.

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

Install Server

Other Tools

Latest Blog Posts

MCP directory API

We provide all the information about MCP servers via our MCP API.

curl -X GET 'https://glama.ai/api/mcp/v1/servers/Livia-Zaharia/just_facebook_mcp'

If you have feedback or need assistance with the MCP directory API, please join our Discord server