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pinecone_delete_vectors

Delete vectors from a Pinecone index using vector IDs, a metadata filter, or by removing all vectors in a namespace.

Instructions

Delete vectors from a Pinecone index by ID or filter.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
api_keyYesPinecone API key
index_hostYesIndex host URL from describe_index
idsNoArray of vector IDs to delete
delete_allNoDelete all vectors in the namespace
namespaceNoNamespace to delete from
filterNoMetadata filter - delete matching vectors
Behavior2/5

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

No annotations provided, and the description only mentions deletion but not irreversible nature, permission requirements, effects of combining parameters (e.g., ids + filter), or namespace default behavior.

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?

Single sentence, no redundant words, immediately communicates core functionality.

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, a nested object, and no output schema, the description is too brief. It lacks details on how deletion methods interact, return values, limits, or namespace behavior, making it incomplete for proper usage.

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 has 100% description coverage, so the description adds no new parameter meaning beyond the schema's own descriptions. Baseline of 3 is appropriate.

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 action (delete) and resource (vectors from a Pinecone index), and specifies two methods (by ID or filter), distinguishing it from siblings like query or upsert.

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 vs alternatives such as upsert or query, nor prerequisites or exclusion conditions. The agent is left to infer use cases without explicit 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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