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bvandevliet

Betaflight MCP

by bvandevliet

set_i2c1_clockspeed_khz

Set the clock speed of I2C bus 1 in kHz to configure communication timing for connected peripherals.

Instructions

Set i2c1_clockspeed_khz: I2C bus 1 clock speed in kHz. (Requires: USE_I2C_DEVICE_1) [UINT16, default: 800]

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
valueYesValue for i2c1_clockspeed_khz (UINT16)
Behavior3/5

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

No annotations are provided, so the description bears the burden. It discloses the prerequisite and default, but does not mention whether the change requires a reboot, is persistent, or any side effects on other buses or devices.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single sentence with appended specification in parentheses. It is concise and front-loaded, with no unnecessary words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple setter of a numeric parameter, the description is mostly complete with purpose, prerequisite, type, and default. Missing details like persistence or effect timing, but these are not critical for an agent to invoke the tool correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% with one parameter. The description adds type (UINT16) and default value (800), which is not present in the schema's description (only says integer).

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the verb 'Set' and the resource 'I2C bus 1 clock speed in kHz'. It distinguishes from sibling tools like set_i2c2_clockspeed_khz by specifying bus 1.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

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

The description mentions a prerequisite (USE_I2C_DEVICE_1) and default value, but provides no explicit guidance on when to use this tool versus alternatives or any conditions for changing the clock speed.

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

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