# obrotomierz open data

> Polish savings bonds, retail bonds in 195 countries, EU bank account bonuses. Open data, CC BY 4.0.

- name: pl.obrotomierz/open-data
- version: 1.0.1
- connection class: R0 (autonomous)
- trust: 82/100 flags: no-repository
- quality: 86/100 (good)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/pl.obrotomierz%2Fopen-data
- tools: https://api.protogrid.dev/v1/servers/pl.obrotomierz%2Fopen-data/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "open-data": {
      "type": "http",
      "url": "https://obrotomierz.pl/mcp"
    }
  }
}
```


## Trust

- hygiene: 80
- liveness: 98
- freshness: 100
- provenance: 55
- drivers: +dns-namespace +website +reachable +uptime-95% +updated-11d-ago -no-repository
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 86/100 (good)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 88 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 4 of 4 tools declare readOnlyHint or destructiveHint
- fail `tools.directory_hints`: no tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: get_retail_government_bonds_by_country (idempotentHint); get_polish_savings_bonds_offer (idempotentHint); get_eu_bank_account_opening_bonuses (idempotentHint); …
- pass `tools.token_cost`: about 528 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump
- pass `tools.hidden_text`: no hidden text in tool names, descriptions, schemas or annotations

### stability: 100 (weight 15)

- pass `stability.changes`: 4 tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name
- pass `stability.new_links`: no tool change named a new site

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 4, about 528 tokens to load them all
- tool set hash: e9f8178106b8d5d9a4486e98176dd317
- tools last changed: 2026-11-03T19:26:50.589Z
- badge: [![protogrid quality](https://protogrid.dev/badge/pl.obrotomierz/open-data.svg)](https://protogrid.dev/servers/pl.obrotomierz/open-data)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

- 2026-11-03 `get_eu_bank_account_opening_bonuses` changed (annotations)
- 2026-11-03 `get_retail_government_bonds_by_country` changed (annotations)
- 2026-11-03 `get_polish_savings_bond_series` changed (annotations)
- 2026-11-03 `get_polish_savings_bonds_offer` changed (annotations)

Full history: https://api.protogrid.dev/v1/servers/pl.obrotomierz%2Fopen-data/changes

## Remotes

- https://obrotomierz.pl/mcp (streamable-http, auth none, reachable true, uptime30d 0.95454544)

## Packages

_none_

## Tools (4)

- `get_eu_bank_account_opening_bonuses`: Banks in the 27 EU countries that pay a cash bonus for opening a personal current account, read one by one from bank websites, with the amount, deadline and source page. With a country code: every bank paying a bonus there. Without it: the number of banks with a bonus in each country.
- `get_polish_savings_bond_series`: Details of one Polish retail treasury savings bond series by its code (for example EDO1136 or COI1130): terms, margin, early redemption fee and the interest rate in every interest period that has started.
- `get_polish_savings_bonds_offer`: Polish retail treasury savings bonds (obligacje oszczędnościowe Skarbu Państwa: OTS, ROR, DOR, TOS, COI, EDO, ROS, ROD) currently on sale: series code, term, first-period interest rate, inflation margin and early redemption fee, from the official issue letters of the Polish Ministry of Finance.
- `get_retail_government_bonds_by_country`: Whether a country sells government bonds to individuals at issue and how they pay (inflation plus a fixed margin, market real rate, fixed, floating, step-up or prize), for all 195 countries, with the official source for each. Without a country: the number of countries in each category and the countries paying inflation plus a fixed margin.