PocketLedger MCP

Parse expense text

parse_expense_text

Read-onlyIdempotent

Parse natural-language expense text without saving it, returning candidate amount, currency, merchant, category, date, and missing fields.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "text": "<text>"
    },
    "name": "parse_expense_text"
  }
}

Input Schema

Name	Required	Description
`text`	Yes
`locale`	No
`timezone`	No	IANA timezone used to interpret dates and relative words like today or yesterday, e.g. 'UTC'.
`date_context`	No
`default_currency`	No	ISO 4217 currency code, e.g. USD, EUR, GBP.

Output Schema

Name	Required	Description	Default
No arguments

Schema Changelog

Changes observed during successful MCP inspections.

First observedJul 4, 2026

TDQS

A3.9/5.0

Behavior3/5

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

Annotations already provide readOnlyHint=true, idempotentHint=true, and destructiveHint=false, covering safety and idempotency. The description adds that it returns candidate fields, but since an output schema exists, this is marginal extra context.

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, front-loaded sentence that efficiently conveys purpose without extraneous words.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given that an output schema documents return values and annotations cover behavioral traits, the description provides sufficient context for a parse tool. It lacks details on error handling but is complete for its intended use.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 40% (only timezone and default_currency have descriptions). The tool description does not explain any parameters (e.g., text, locale, date_context), so it fails to compensate for the low coverage.

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 (parse), the resource (natural-language expense text), and the outcome (returns candidate fields). It explicitly distinguishes itself from sibling tools like record_expense by noting 'without saving it'.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies when to use the tool: to preview parsed data without saving. It mentions 'without saving it', which hints at alternatives that do save (e.g., record_expense), but does not explicitly list when not to use or name alternatives.

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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