Append a flat reply under an existing timeline comment to continue threaded podcast project discussions. Provide the comment ID, author, and reply body.
Append a flat reply under an existing timeline comment (threaded discussion).
| Name | Required | Description | Default |
|---|---|---|---|
| body | Yes | ||
| author | Yes | ||
| comment_id | Yes | ||
| project_path | No |
| Name | Required | Description | Default |
|---|---|---|---|
| result | Yes |
Changes observed during successful MCP inspections.
v0.1.1Input schema / properties / project_path / anyOfAdded value: +[
+ {
+ "type": "string"
+ },
+ {
+ "type": "null"
+ }
+]Input schema / properties / project_path / defaultAdded value: +nullInput schema / properties / project_path / typeRemoved value: -"string"Input schema / requiredPrevious value: -[
- "project_path",
- "comment_id",
- "body",
- "author"
-]New value: +[
+ "comment_id",
+ "body",
+ "author"
+]v0.1.0Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden of behavioral disclosure for a write operation. It usefully notes the reply is 'flat' (no nested threading), but says nothing about notification side effects, editability, required permissions, or what happens if the parent comment is resolved or deleted.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
A single front-loaded sentence that states the action and its placement without preamble. The parenthetical '(threaded discussion)' is mildly redundant with 'reply under an existing comment' but costs little.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
An output schema exists so return values need not be explained, but for a mutation tool with zero annotations and 0% parameter coverage the description is too thin. Nothing tells the agent how the three required fields should be supplied or how the optional project_path affects behavior.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 0% across 4 parameters, so the description must compensate and largely does not. 'Existing timeline comment' hints that comment_id must reference a valid parent and 'reply' hints at body, but 'author' and the optional 'project_path' are entirely unaddressed in both the schema and the description.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
Names a specific verb ('append') and resource ('reply') and constrains it to 'an existing timeline comment', which implicitly separates it from the sibling add_comment_tool that creates top-level comments. It never names that sibling or any other alternative, so the differentiation is inferential rather than explicit.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
The phrase 'under an existing timeline comment' implies the precondition that a parent comment must already exist, and 'threaded discussion' signals the conversational context. However, it gives no explicit when-to-use vs add_comment_tool/add_comment_action_tool, and no exclusions or prerequisites around visibility or permissions.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.