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ricardodeazambuja

browser-mcp-server

browser_storage_get_indexeddb

Inspect IndexedDB databases and retrieve data from specified databases and object stores.

Instructions

Inspect IndexedDB databases and their data (see browser_docs)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
databaseNameNoSpecific database to inspect (optional)
objectStoreNameNoSpecific object store to query (optional, requires databaseName)
Behavior2/5

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

No annotations provided, so description should disclose behavioral traits. It only says 'inspect' without clarifying read-only nature, side effects, or required permissions. The reference to browser_docs offloads behavioral context.

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?

Very concise single sentence, no unnecessary words. However, the reference to another tool could be removed or integrated. Front-loads purpose effectively.

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 no annotations and no output schema, the description should cover return format, behavior when parameters are omitted, and error cases. It does not, relying on external docs. Incomplete for a tool with minimal structured metadata.

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% with clear parameter descriptions. The description adds minimal value beyond schema, merely stating the overall function. Baseline 3 is appropriate.

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 tool inspects IndexedDB databases and their data. It distinguishes from sibling storage tools like browser_storage_get_cache_storage. However, the reference to 'see browser_docs' is vague about what exactly 'inspect' entails.

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 like browser_storage_get_cache_storage. No context on prerequisites or when inspection is appropriate.

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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