delimit_context_init

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

Despite no annotations, the description discloses side effects (creates venture directory and metadata files) and idempotency. It adds behavioral context beyond the schema, though it could mention error handling or output format, but output schema exists.

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 extremely concise: a single-sentence function statement followed by clearly labeled sections (When to use, When NOT to use, Sibling contrast, Side effects). Every sentence adds value.

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?

Given the tool's simplicity (1 optional parameter, no required), high schema coverage, and presence of output schema, the description covers purpose, usage, side effects, and idempotency. No gaps.

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 coverage is 100% for the only parameter 'venture', so the baseline is 3. The description does not add meaning beyond the schema (it essentially repeats the schema's description). With high coverage, this is acceptable.

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 clearly states that the tool initializes a context filesystem namespace for a venture, using specific verb and resource. It distinguishes from siblings by contrasting scope (venture vs conversation) and versioning (snapshot/branch).

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?

Explicitly states when to use ('once per venture, the first time you want to persist cross-session/cross-model context') and when not to use, providing specific alternative tools (delimit_memory_store for single-session memory; delimit_context_read for reading artifacts). Also contrasts with sibling memory tools.

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