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file_read

file_read
Read-onlyIdempotent

Read a file from a WordPress site's wp-content directory by specifying a path relative to wp-content, enabling inspection of themes, plugins, uploads, and other stored files.

Instructions

Read a file inside wp-content.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "path": "<path>"
    },
    "name": "file_read"
  }
}

Input Schema

NameRequiredDescriptionDefault
pathYesPath relative to wp-content

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.1

TDQS

B3.3/5.0
Behavior3/5

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

The annotations already declare readOnlyHint, idempotentHint, destructiveHint=false, and openWorldHint, so the safety profile is covered. The description adds the wp-content sandbox constraint, which is useful context. However, it does not disclose behavior around binary files, encoding, size limits, or errors, so it is adequate but not rich.

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 wasted words. The core action and scope appear immediately. There is no unnecessary exposition.

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?

For a simple one-parameter read tool with strong annotations, the description is sufficient to invoke it correctly. However, there is no output schema, and the description does not mention what is returned, such as raw file content or text encoding. That leaves a meaningful gap for an agent reading arbitrary files.

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 schema already documents that path is relative to wp-content. The description reinforces that scope but adds no syntax, validation, or format details beyond the schema. This meets the baseline expected 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 states a specific verb and resource: read a file. It also scopes the operation to wp-content. It does not explicitly distinguish itself from the sibling file_list tool, so it falls short of a 5.

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 gives no guidance on when to use this tool versus alternatives such as file_list or db_query. It also omits any exclusions or prerequisites. Usage is only implied by the tool name and the phrase 'Read a file'.

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