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github_repos_create_commit_comment

Post a comment on a specific commit in a GitHub repository to provide feedback or context.

Instructions

Create a commit comment

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
ownerYesowner
repoYesrepo
commit_shaYescommit_sha
bodyNoRequest body (JSON object)
Behavior2/5

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

Without annotations, the description carries full burden for behavior. It only repeats the action ('Create a commit comment') without disclosing whether authentication is required, what happens on failure, or any side effects. This is insufficient for a mutation tool.

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

Conciseness3/5

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

The description is very concise (one sentence) but under-specified. While it is front-loaded, it lacks essential details that would improve utility without being overly verbose.

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?

No output schema is provided, and the description does not explain the return value (e.g., the created comment object), required permissions, or the expected format of the body parameter. This leaves significant gaps for an agent to use the tool correctly.

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?

Input schema has 100% description coverage, so the description adds no new meaning beyond the parameter names. The description implies 'body' is the comment content but does not clarify its structure or optionality. Given high schema coverage, baseline 3 is appropriate.

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 clearly states the action ('create') and the resource ('commit comment'), distinguishing it from other comment creation tools like issue or PR review comments. However, it lacks additional detail about the exact scope (e.g., 'on a specific commit').

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 such as `github_issues_create_comment` or `github_pulls_create_review_comment`. The description does not include exclusions or context for typical usage.

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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