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jus1-c

Forensics Utils MCP Server

by jus1-c

chromium_parse_indexeddb_tool

Parse IndexedDB records from a Chromium profile directory. Apply optional filters for host, database, object store, and include deletions to retrieve relevant browser data for forensic analysis.

Instructions

Parse Chromium IndexedDB records from a browser profile. Typical profile path: "C:\Users<user>\AppData\Local\Google\Chrome\User Data\Default".

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
limitNoMaximum number of records to return
host_idNoOptional exact IndexedDB host/origin directory filter
profile_pathYesAbsolute path to the Chromium profile directory
database_nameNoOptional exact IndexedDB database name filter
include_deletionsNoInclude deleted/non-live records when available
object_store_nameNoOptional exact object store filter

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior2/5

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It merely states 'Parse' and gives a path example, but does not mention whether the operation is read-only, what happens with deletion records, or any side effects.

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 brief and front-loaded with the core purpose. The additional path example is useful and does not distract. Every sentence earns its place.

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 full schema coverage and an output schema, the description fails to provide use-case context, alternative tool comparisons, or behavioral caveats. With many sibling tools and no annotations, the description leaves the agent to infer when and how to use it.

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?

All six parameters have schema descriptions (100% coverage), so the schema fully documents their semantics. The description adds no parameter-specific detail except the profile path example, which is already implied by the parameter name.

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 uses a specific verb ('Parse') and identifies the exact resource ('Chromium IndexedDB records') and source ('browser profile'). This clearly distinguishes it from sibling tools like chromium_parse_history or chromium_parse_cookies.

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?

The description provides no guidance on when to use this tool versus alternatives. It only shows a typical profile path, which hints at how to run it but not when to prefer it over other Chromium parse tools.

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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