flax_status

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

readOnlyHint=true already tells the agent this is a safe read, so the description's added burden is modest. It does add that the tool reports reachability plus session metadata, which is useful context. It omits what happens on an unreachable bridge (error vs. negative status), whether there are timeouts, and whether it depends on project configuration being set.

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 sentence with the primary outcome (reachable or not) front-loaded, followed by the secondary payload (session metadata). No filler, no repetition of the name.

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 no explanation, and a zero-parameter read-only probe is a simple tool. The remaining gap is the ambiguity against editor_host_status/server_info and the unstated failure behavior, neither of which is covered elsewhere.

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?

The tool takes zero parameters, so there is no parameter semantics to explain and the baseline of 4 applies. The description correctly implies no arguments are needed by scoping the call to 'the configured project'.

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 gives a specific verb and resource: it reports reachability of the Flax Editor bridge for the configured project and returns session metadata. That is concrete enough to act on. It does not, however, differentiate itself from the similarly-named siblings editor_host_status, server_info, or project_info, so an agent could plausibly pick the wrong health-check tool.

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 usage is only implied: this is a connectivity/preflight check, so an agent can infer calling it before editor_* operations. There is no explicit when-to-use, no exclusion, and no pointer to editor_host_status or server_info as alternatives for overlapping status questions.

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