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CosmGrid

Local MCP Dev Runner

by CosmGrid

Read project file

read_file

Read a UTF-8 text file from a registered project to retrieve its content for analysis or further processing.

Instructions

Read one UTF-8 text file inside a registered project.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pathYes
projectYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
pathYes
contentYes
projectYes

Schema Changelog

Changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. First observedv2.0.0

TDQS

A3.6/5.0
Behavior3/5

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

No annotations are provided, so the description carries the behavioral disclosure burden. It does disclose that the operation is a non-mutating read of exactly one UTF-8 text file within a registered project. However, it does not mention path resolution, error behavior, or access prerequisites beyond 'registered project'.

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 a single, front-loaded sentence with no filler or repetition. Every word adds meaning: 'Read', 'one', 'UTF-8 text file', and 'inside a registered project' are all relevant to invoking the tool correctly.

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 tool with two required string parameters and an output schema, the description covers the core operation and scope adequately. The main gap is the absence of routing guidance among the many file-related siblings, but the low complexity and existing output schema keep the definition reasonably complete.

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 provides only minLength constraints with 0% description coverage. The description adds limited semantics by implying that 'path' refers to a text file and that 'project' must be a registered project, but it does not clarify path format, whether paths are relative or absolute, or what values are valid for project.

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 a specific verb ('Read'), a specific resource ('one UTF-8 text file'), and a scope ('inside a registered project'). The singular 'one' helps distinguish it from the sibling tool 'read_files', so an agent can tell them apart.

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?

The description provides no guidance on when to use this tool versus alternatives such as 'read_files', 'list_directory', 'find_files', or 'file_info'. It does not mention exclusions, prerequisites, or why an agent would choose this tool over its siblings.

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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