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zwczwczwc

Chroma MCP Server

by zwczwczwc

chroma_modify_collection

Rename or update metadata of an existing Chroma collection to maintain accurate descriptions and organization.

Instructions

Modify a Chroma collection's name or metadata.

Args:
    collection_name: Name of the collection to modify
    new_name: Optional new name for the collection
    new_metadata: Optional new metadata for the collection

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
new_nameNo
new_metadataNo
collection_nameYes
Behavior2/5

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

No annotations provided, so description must carry full burden. It only says 'modify' implying mutation, but lacks details on side effects, revertibility, required permissions, or whether other collection properties are affected. Minimal disclosure.

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?

Description is short and front-loaded with purpose. The docstring lists parameters efficiently with no extraneous text.

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?

No output schema and minimal schema coverage; description should provide more context about return values, errors, or behavioral outcomes of modification. It lacks completeness for a tool with no annotations.

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 0%, but description explains all three parameters (collection_name, new_name, new_metadata) in a docstring format. It adds basic meaning beyond property titles, though no detailed constraints or formats.

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 'Modify a Chroma collection's name or metadata' with a specific verb and resource. It distinguishes from sibling tools like chroma_list_collections, chroma_create_collection, etc., which focus on different operations.

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 on when to use this tool versus alternatives, no prerequisites, and no conditions for safe usage. The description only lists parameters without context.

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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