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lucasgerads

pymcuprog-mcp

by lucasgerads

flash

Erase target microcontroller, write a hex file, and verify the result in a single operation to program a device reliably.

Instructions

Erase, write, and verify a hex file in one operation.

This is the recommended way to program a device. It erases the target, writes the hex file, and verifies the result. hexfile: absolute path to the .hex file on disk. Returns 'OK' on success.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
hexfileYes
deviceNo
toolNo
serialnumberNo
serialportNo
baudrateNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior3/5

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

With no annotations, the description must convey behavioral traits. It discloses that the tool erases (destructive), writes, and verifies, and returns 'OK'. However, it does not mention error handling, required privileges, or potential side effects beyond erasure.

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

Conciseness4/5

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

The description is concise with three sentences, but the parameter explanation is inserted inline rather than structured. It could be more front-loaded with the operation summary, but overall it is not verbose.

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

Completeness2/5

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

Given 6 parameters (only 1 explained) and an output schema that likely contains more than just 'OK', the description is incomplete. It does not cover optional parameters or elaborate on output, despite having high complexity.

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

Parameters2/5

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

Schema description coverage is 0%, so the description must explain parameters. It only describes hexfile with 'absolute path to the .hex file on disk', leaving five other parameters (device, tool, serialnumber, etc.) unexplained without any defaults or usage context.

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

Purpose4/5

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

The description clearly states that the tool erases, writes, and verifies a hex file in one operation, making the core purpose explicit. However, it does not differentiate from sibling tools like write_hex or erase beyond calling it the 'recommended way'.

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

Usage Guidelines2/5

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

The description says 'this is the recommended way to program a device' but provides no explicit guidance on when to use this tool versus alternatives like write_hex, verify_hex, or build_and_flash. It lacks when-not-to-use or prerequisite conditions.

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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