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Read a file from the editable source tree

read_source_file
Read-onlyIdempotent

Return the bytes of one source file (the platform's editable copy of the pre-build code), letting an AI in any future chat fetch and edit content without needing the original local files. Use list_source_files first to discover paths. For the served dist, use read_file instead.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameNo
pathYesSite-relative path inside the source tree, e.g. 'src/App.tsx'.
siteIdNo
maxBytesNoPer-file size cap. Default 1048576, hard max 5242880.

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYes
pathYes
sizeYes
siteIdYes
contentYes
encodingYes
request_idNoServer-assigned request correlation id. Quote it when contacting support.

Schema Changelog

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

  1. Changed1 schema field changed
    • addedOutput schema / properties / request_id
      Added value: +{
      +  "description": "Server-assigned request correlation id. Quote it when contacting support.",
      +  "type": "string"
      +}
  2. First observed

TDQS

A4.4/5.0
Behavior4/5

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

Annotations already declare readOnlyHint=true and destructiveHint=false. Description adds context that it returns bytes and the file is the 'editable copy' of pre-build code, which is helpful but not critical given annotation coverage.

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?

Two sentences, zero waste. Essential information is front-loaded and concise.

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

Completeness5/5

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

Given the presence of an output schema and comprehensive annotations, the description fully covers purpose, usage guidance, and context. No gaps remain.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 50% (2 of 4 parameters have descriptions). The description adds no parameter-specific information beyond what the schema already provides, failing to compensate for the uncovered parameters.

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?

Clearly states 'Return the bytes of one source file', specifying verb (return) and resource (source file). Distinguishes from sibling 'read_file' by referencing the served dist.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly instructs to use 'list_source_files first to discover paths' and to use 'read_file instead' for served dist, providing clear when-to and when-not-to guidance.

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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TDQS

A3.9/5.0
Disambiguation4/5

Most tools target a distinct resource and action—deploy, file, domain, snapshot, form, analytics—and the descriptions carefully clarify overlap (e.g., deploy_site vs update_site vs begin_deploy). A few pairs like read_file/read_source_file or list_file_hashes/list_source_files could be confused, but the pattern is clear enough to avoid misselection.

Naming Consistency5/5

Every tool follows a consistent verb_noun snake_case pattern (add_, list_, get_, read_, update_, delete_, verify_, etc.), with singular verbs for single resources and plural verbs for batches. This makes the surface highly predictable.

Tool Count2/5

39 tools is well beyond the typical well-scoped surface and many could be consolidated (e.g., read_file/read_files/read_source_file/read_source_files, or the multiple deploy entry points). The broad domain explains some of the count, but the set feels bloated and will slow tool selection.

Completeness3/5

The core deploy lifecycle is well covered: create/read/update/delete sites, patch files, manage custom domains, and configure forms. However, there are notable gaps—snapshots can be created and listed but not restored or deleted, and there is no explicit rollback-to-previous-deploy mechanism, which are common expectations for a deployment platform.