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

With no annotations, the description carries the burden well: it discloses that the return value is a URL, that a human must open it in a browser, and that no connection exists until the user completes the flow — the key side-effect semantics for this tool. It omits link expiry/reuse, whether repeat calls invalidate earlier links, and any permission prerequisites, which are meaningful gaps for an OAuth-link endpoint.

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?

Two sentences, no filler, with the return value and the human-in-the-loop constraint front-loaded. Every clause carries information an agent needs.

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?

No output schema exists, so the description correctly explains what comes back (a hosted URL). For a 2-parameter tool this is nearly complete, with only link lifetime and repeat-call behavior left unspecified.

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 50%: redirect_path is documented in the schema while provider is only constrained by an enum. The description adds the mapping that provider is LinkedIn or Instagram, but contributes nothing about redirect_path behavior or whether other providers are supported, so it is roughly at the schema baseline.

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?

States a specific verb and resource: it returns a hosted authorization URL for a LinkedIn or Instagram publishing account. The 'publishing account' framing and the human-in-browser requirement make it distinguishable from most siblings, but it never disambiguates against the near-named connect_linkedin_account, which an agent could easily confuse it with.

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?

'Give the link to the user; nothing is connected until they finish' gives clear operational context: this is step one of a two-party flow and the agent must hand off rather than attempt the connection itself. It stops short of naming alternatives (connect_linkedin_account, reconnect_* flows) or stating when not to call it, so it is not a full 5.

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