ContextSave

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

Annotation Contradiction: the annotations declare readOnlyHint=true, yet the description says the tool 'saves' content into a single text file, implying a file-writing side effect. This directly contradicts the read-only hint. The description also does not clarify whether it reads from disk, writes a new file, overwrites anything, or what side effects occur.

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?

The description is short, front-loaded with the core purpose, and uses bullets for parameter-specific guidance. It earns its length, but the sentence 'Provide random 3 word unique id or whatever user provided' is slightly informal and could be clearer about whether the id is required or user-supplied.

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?

For a tool with no output schema and a read/write ambiguity, the description omits important context: where the text file is saved, what happens after saving, how globs are resolved relative to project_root_path, and whether this is a mutating action. The contradiction with readOnlyHint makes the overall behavior especially incomplete for an agent deciding whether to call it.

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?

With 0% schema description coverage, the description must compensate, and it does: it explains thread_id as coming from Initialize, id as a random 3-word unique identifier, project_root_path as optional/empty when no project path, and relevant_file_globs as file paths or globs. It does not fully define every parameter's format, but adds substantial meaning beyond the raw schema.

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?

The description states a specific action: saving a description and file contents into a single text file. It clearly identifies the inputs (description, file paths/globs) and output artifact. However, it does not explicitly distinguish itself from FileWriteOrEdit or explain exactly what 'save' produces or where, so it stops 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.

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

The bullets give conditional usage hints such as using the thread_id from Initialize and leaving project_root_path empty when absent. However, there is no explicit guidance on when to use this tool versus sibling tools like ReadFiles or FileWriteOrEdit, and no exclusions or alternatives are named.

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