# Lunium — Brazilian PIX and stablecoin payments (com.luniumpay/pix-brazilian-payments): tool descriptions scored

- tools/list taken: 2026-11-02 (UTC)
- From: [Official MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/com.luniumpay%2Fpix-brazilian-payments/versions/latest)
- Connected to: https://api.luniumpay.com/mcp
- Homepage: https://docs.luniumpay.com/skill
- Repository: https://github.com/LuniumPay/lunium-agent-skills
- Scoring rules: v2
- Tools: 20
- Average: 70.0 / 100 (Clear)
- Near-identical pairs: 0

This page shows how Lunium — Brazilian PIX and stablecoin payments (com.luniumpay/pix-brazilian-payments)'s tool descriptions scored, the issues found and the names of its tools and parameters. The descriptions are the server's own: read them where the copy came from.

Forecall asked the URL this server lists in the official MCP Registry for its tools/list once, on the date above, without calling any tool. The server may have changed since.

## Across the server

- Minor: The server's instructions are 5727 characters. Claude Code reads only the first 2,048 by default (Codex 0.154.0 reads them whole). Put what the server is for first.

## Tools

- `lunium_plan_integration`: 41 / 100
  - Major: Says nothing about when to use it, or when not to.
  - Major: Arguments without a description: flow, stack.
- `lunium_get_sandbox_demo`: 42 / 100
  - Major: Arguments without a description: demo_id.
  - Minor: Says nothing about what it returns.
  - Minor: Required identifiers whose description does not say where the value comes from: demo_id. Name the tool or the place that returns it, or models look it up first.
- `lunium_list_settlement_options`: 44 / 100
  - Major: Arguments without a description: direction, asset, network, offset, limit.
  - Minor: No `required` list, so every argument is optional.
  - Minor: Says nothing about what it returns.
- `lunium_check_network_health`: 54 / 100
  - Minor: Says nothing about what it returns.
- `lunium_get_usdt_pix_payment`: 62 / 100
  - Minor: Says nothing about what it returns.
- `lunium_get_usdt_wallet`: 62 / 100
  - Minor: Says nothing about what it returns.
- `lunium_list_usdt_deposits`: 67 / 100
  - Minor: Says nothing about what it returns.
- `lunium_start_sandbox_demo`: 67 / 100
  - Minor: Arguments without a description: flow, request_id.
  - Minor: Required identifiers whose description does not say where the value comes from: request_id. Name the tool or the place that returns it, or models look it up first.
- `lunium_quote_pix_with_usdt`: 71 / 100
  - Minor: No `required` list, so every argument is optional.
- `lunium_check_payer_limit`: 74 / 100
- `lunium_create_pix_charge`: 74 / 100
- `lunium_get_pix_charge`: 74 / 100
- `lunium_contact`: 76 / 100
- `lunium_confirm_crypto_sale`: 79 / 100
  - Minor: The description is long (442 words). It helps selection but costs steps and tokens.
  - Minor: Required identifiers whose description does not say where the value comes from: cashout_id. Name the tool or the place that returns it, or models look it up first.
- `lunium_request_usdt_deposit`: 79 / 100
- `lunium_get_crypto_sale`: 84 / 100
- `lunium_pay_pix_with_usdt`: 84 / 100
- `lunium_quote_crypto_sale`: 84 / 100
  - Minor: The description is long (482 words). It helps selection but costs steps and tokens.
- `lunium_create_sandbox_key`: 89 / 100
- `lunium_verify_pix_payment`: 92 / 100

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