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Context Engineering MCP Server

by croakingtoad

update_prp

Update a Product Requirements Prompt (PRP) with change tracking and optional Archon document synchronization.

Instructions

Update an existing PRP with change tracking and optional Archon synchronization

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesID of the PRP to update
tagsNoUpdated tags for the PRP
authorNoAuthor of the changes
contentYesNew content for the PRP
categoryNoUpdated category for the PRP
createBackupNoWhether to create a backup before updating
updateArchonNoWhether to update Archon document if available
archonDocumentIdNoArchon document ID if updating in Archon
changeDescriptionNoDescription of the changes made
Behavior2/5

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

No annotations are provided, so the description must fully disclose behavior. It mentions change tracking and Archon sync but does not explain that this is a mutation operation, whether backups are created by default, or whether changes are reversible. The safety profile is unclear.

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 that is front-loaded with the action and key differentiators. It includes no unnecessary words or repetition.

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?

Despite having 9 parameters, no output schema, and no annotations, the description is minimal. It fails to clarify whether updates are partial or full, default behavior for backups, or what is returned. Significant gaps remain for a tool of this complexity.

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?

The schema covers all 9 parameters with descriptions, so high coverage gives a baseline of 3. The description adds context around change tracking and Archon sync but does not materially expand on parameter meanings beyond what the schema already states.

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 tool updates an existing PRP and highlights distinctive features (change tracking and Archon synchronization). This distinguishes it from siblings like generate_prp and validate_prp.

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?

Usage is implied by the action 'update existing PRP' but there is no explicit guidance on when to choose this over alternatives, nor exclusions. Sibling tools are contextually different, but no elaboration is provided.

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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