send_via_power_automate

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

With no annotations, the description carries the burden of behavioral disclosure. It mentions the auth-bypass trait and the parameter note about Azure AD auth, but it does not explain what happens after sending, potential side effects, or error behavior. This is a minimal disclosure that leaves significant unknowns for a mutation-like operation.

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 a single, front-loaded sentence that immediately states the action and the key differentiator. Every word earns its place, with no filler or redundancy.

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?

The tool is simple with only 2 well-described parameters, so the schema covers inputs well. However, there is no output schema and no description of return values or behavior on success/failure. Given the lack of annotations, the description should provide more context about what the agent can expect when invoking the tool, which it does not.

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 100%, so the baseline is 3. The description itself does not elaborate on parameters beyond what the schema provides. The flowUrl property includes a useful note about omitting the sig parameter, but this is part of the schema, not the main description, and no additional meaning is added.

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 the tool's function with a specific verb and resource: 'Send a message via Power Automate flow'. It also distinguishes itself from sibling send tools by mentioning it 'bypasses Graph API auth restrictions', which sets it apart from the standard send_chat_message and send_channel_message tools.

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 description indicates the tool is for use when Graph API auth restrictions are a concern, providing clear context for when this tool is appropriate. However, it does not explicitly name alternatives or state 'use when not possible via Graph API', so it falls short of fully explicit when/when-not guidance.

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