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GitChanger MCP Server

GitChanger MCP Server

by culcat

gitchanger_test_ssh

Tests SSH connectivity for a specified Git profile to verify authentication and prevent connection failures during Git operations.

Instructions

Test SSH connection for a Git profile.

Input Schema

NameRequiredDescriptionDefault
profileYesProfile ID to test.

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?

No annotations are supplied, so the description carries the full burden, and it discloses almost nothing: it doesn't say whether the test is non-destructive, whether it performs a real network handshake (with timeout or host-key prompt implications), or what happens on failure. For a connectivity tool with zero annotation coverage, that is a substantial gap.

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 or redundancy. It is efficient, though the brevity comes at the cost of the behavioral and usage detail noted elsewhere.

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?

The tool is simple (one required parameter), but there is no output schema and no annotations, so the description should at least indicate what a result looks like (boolean, message, latency, error text). An agent cannot predict the return shape or failure mode from this definition.

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 100% and the single parameter 'profile' is documented as the profile ID to test. The description adds only the adjective 'Git', which is marginal value beyond the schema; the baseline of 3 applies when the schema does the heavy lifting.

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 gives a specific verb and resource: it tests an SSH connection for a Git profile, which is meaningfully distinct from the mcp_test and mcp_status siblings. It stops short of naming which sibling to use for non-SSH checks, so the differentiation is implicit rather than stated.

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 call this tool: not before switching profiles, not after adding or scanning, and no mention of prerequisites such as the profile existing or keys being configured. The agent must infer all usage context from the one-line purpose statement.

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