A
licenseA
qualityC
maintenanceSource-backed Sri Lanka payslip tools for APIT/PAYE, EPF, ETF, stamp duty, net pay, and employer cost.
3
MIT
mythaitaxes-mcp
Server Details
Free Thai personal income tax (PIT) calculator for salaried employees, from mythaitaxes.com.
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- Status
- Healthy
- Uptime
- 100.0% over 72 days
- Last Tested
- Transport
- Streamable HTTP · MCP 2025-06-18
- URL
TDQS
A3.9/5.0
Scored across 1 tool
Disambiguation5/5
Only one tool exists, so no ambiguity between tools.
Naming Consistency5/5
Single tool follows a clear verb_noun pattern, no inconsistency.
Tool Count2/5
One tool is too few for a server named 'mythaitaxes-mcp', suggesting a narrow scope that likely leaves many tax-related operations uncovered.
Completeness2/5
The tool only handles salaried employee annual income tax, missing other tax types (e.g., corporate, VAT, withholding) that the server name implies.
Available Tools
1 toolcalculate_thai_annual_income_taxCalculate Thai Annual Personal Income TaxAInspect
Calculates Thailand personal income tax (PIT) for a salaried employee for a tax year, using current progressive tax brackets, standard allowances, and common deductions (social security, insurance, retirement funds, donations). Returns taxable income, tax owed, effective rate, and refund/amount owed against tax already withheld. Source: mythaitaxes.com.
| Name | Required | Description | Default |
|---|---|---|---|
| rmf | No | Retirement Mutual Fund contribution, max deductible 500,000 THB. | |
| ssf | No | Super Savings Fund contribution, max deductible 200,000 THB. | |
| donations | No | Charitable donations, capped at 10% of income after allowances. | |
| pensionFund | No | Max deductible 500,000 THB. | |
| taxWithheld | No | Tax already withheld by the employer this year, used to compute refund vs. amount owed. | |
| annualIncome | Yes | Total annual gross income in THB, before any deductions. | |
| lifeInsurance | No | Max deductible 100,000 THB. | |
| maritalStatus | No | single | |
| providentFund | No | Max deductible 500,000 THB. | |
| isAge65OrOlder | No | Adds the 190,000 THB senior allowance. | |
| healthInsurance | No | Max deductible 25,000 THB. | |
| numberOfParents | No | Dependent parents supported (30,000 THB each, max 4). | |
| numberOfChildren | No | ||
| spouseHasNoIncome | No | True if married and the spouse has no income (unlocks the 60,000 THB spouse allowance). | |
| childrenBornOnOrAfter2018 | No | 2nd-or-later children born in 2018 or after qualify for a doubled (60,000 THB) allowance. | |
| socialSecurityContribution | No | Annual social security fund contribution, max deductible 10,500 THB. |
TDQS
A4.1/5.0
Behavior4/5
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden. It discloses that calculation uses current tax brackets and common deductions, and mentions the source. However, it does not state whether the calculation is an estimate or based on official law, nor does it describe limitations (e.g., only for salaried income). Overall, it is mostly transparent but could be more explicit.
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?
The description is a single sentence plus a source citation. It is concise and front-loaded with the main action. While not structured with bullet points, it is efficient and covers the essentials without unnecessary words. Slight improvement could be splitting into multiple sentences for clarity.
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 16 parameters (only one required), no output schema, and no siblings, the description provides a good overview. It lists the output fields and cites the source. However, it does not explain the calculation methodology, such as progressive tax brackets or order of deductions. It is complete enough for a typical user but could be enhanced with more detail.
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 description coverage is 88%, meaning most parameters are already described in the schema. The description adds high-level categories (social security, insurance, retirement funds, donations) but does not provide additional details beyond what is in the schema. With high coverage, the baseline is 3, and the description adds minimal extra value.
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 it calculates Thailand personal income tax for a salaried employee, using current brackets, allowances, and deductions. It specifies the outputs: taxable income, tax owed, effective rate, and refund/amount owed. There are no sibling tools to differentiate, but the purpose is precise and unambiguous.
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 it is for a salaried employee in a tax year, using standard deductions. It does not explicitly mention when not to use it or provide alternatives, but since there are no sibling tools, the lack of exclusions is acceptable. The source citation adds credibility but does not replace usage guidance.
Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
1 tool update
- First observed
calculate_thai_annual_income_tax
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