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github_git_get_blob

Retrieve a file's blob content from a GitHub repository by providing the repository owner, name, and blob SHA.

Instructions

Get a blob

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
ownerYesowner
repoYesrepo
file_shaYesfile_sha
Behavior2/5

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

No annotations are available, and the description does not disclose behavioral traits such as what the blob contains (e.g., raw content, encoding), authentication requirements, or rate limits. The description fails to provide context beyond the basic action.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness2/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is extremely concise at three words, but it is under-specified. It does not earn its place by providing useful information; it merely repeats the tool's name in a slightly different form.

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?

Given that there is no output schema, the description should explain what a blob represents and what the return value contains (e.g., raw file content, encoding). The current description is insufficient for an agent to understand the tool's complete behavior.

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 coverage is 100%, but the parameter descriptions are minimal (just parameter names). The description adds no additional meaning beyond what the schema already provides. A baseline of 3 is appropriate since the schema itself is clear.

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 'Get a blob' clearly states the verb and resource, and in the context of sibling git tools like github_git_get_commit and github_git_get_tree, it distinguishes itself by resource type. However, it could be more specific by mentioning it's a Git blob or file content.

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 like github_repos_get_content. The description lacks any context about appropriate usage scenarios or exclusions.

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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