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gasconc

Pylon MCP Server

by gasconc

pylon_update_issue

Update an existing Pylon issue by changing its title, state, priority, assignee, tags, or custom fields using its unique ID.

Instructions

Update an existing issue in Pylon.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
tagsNoTags for the issue
stateNoState of the issue
titleNoTitle of the issue
issue_idYesThe unique identifier of the issue to update
priorityNoPriority of the issue
assignee_idNoUser ID to assign the issue to
custom_fieldsNoCustom fields
Behavior2/5

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

With no annotations, the description must disclose behavioral traits but only says 'update'. It does not mention whether this is a partial or full update, error behavior for nonexistent issues, or permission requirements. The mutation aspect is implied by the verb, but no additional transparency is offered.

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 concise sentence with no superfluous words. It is front-loaded and efficiently communicates the core purpose.

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?

With 7 parameters, no output schema, and no annotations, the description is severely under-specified. It lacks any information about update semantics, optionality, return values, or errors, making it insufficient for an AI agent to use correctly.

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

Parameters3/5

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

Schema coverage is 100%, so baseline is 3. The description adds no parameter-specific meaning beyond what the schema already documents. It does not compensate for the lack of usage context, but does not need to since the schema covers all parameters.

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 the verb 'update' and the resource 'existing issue', which distinguishes it from create, get, and list operations on issues. It does not mention specific fields, but the action is unambiguous.

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?

No guidance is provided on when to use this tool versus alternatives like pylon_create_issue or pylon_update_task. The description gives no context for selection or prerequisites.

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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