# Penguin Statistics

> Penguin Statistics, an MCP server by penguin-stats.io, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Crowdsourced Arknights drop rates by stage and item, for the CN, US, JP and KR game servers

- Canonical: https://www.anchorterminal.com/tools/penguin-stats
- Markdown: https://www.anchorterminal.com/tools/penguin-stats.md (~900 tokens)
- Slim: https://www.anchorterminal.com/tools/penguin-stats.min.md (~830 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/tools/penguin-stats.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-24

# Penguin Statistics

> Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/

- Kind: MCP server, by penguin-stats.io (https://mcp.penguin-stats.io/)
- Category: Data providers (https://www.anchorterminal.com/categories/data-providers.md)
- Listed because: It's published in the registry under penguin-stats.io, a namespace the registry only gives to whoever proves they control that domain.
- What the official MCP registry says: Crowdsourced Arknights drop rates by stage and item, for the CN, US, JP and KR game servers

## Facts

- MCP registry: `io.penguin-stats/penguin-stats` 1.0.0
- Endpoint: https://mcp.penguin-stats.io/mcp (streamable HTTP)
- Source: https://github.com/penguin-statistics/backend-next
- Website: https://mcp.penguin-stats.io/
- GitHub stars: 202
- Registry entry updated: 2026-10-23

## Tools

- Tools it lists (6, about 6,482 tokens of context, `tools/list` without credentials over MCP 2026-07-28, checked 2026-10-24 00:14 UTC):
  - `get_dataset_info` (read-only): Describes the Penguin Statistics drop data: what its numbers mean (times, quantity, drop rate, sanity per item, window), the game servers with their time zones…
  - `get_item_drop_rates` (read-only): Where to farm an item: ranks every stage of a game server that drops it, with sanity per item, drop rate (items per run), runs (times) and quantity. Use it for…
  - `get_stage_drops` (read-only): What one stage drops on a game server: each item with drop rate (items per run), sanity per item, runs (times) and quantity, highest rate first, then the items…
  - `list_events` (read-only): Lists the events (limited-time activities) of a game server: status now (open, upcoming or closed), open and close times, whether a rerun. By default the open…
  - `search_items` (read-only): Finds items (materials, battle records, chips, furniture, event items) by name in any language (zh, en, ja, ko), by alias or nickname (土块, 狗粮), by pinyin…
  - `search_stages` (read-only): Finds stages by code (1-7, S2-12, YW-4; full-width characters work too), by stage ID (main_01-07), or by the name or ID of their zone (第十章, Under Tides), and…
- How its tools read to an agent (0 errors, 0 warnings, 0 notes, about 6,482 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score):

- Create a video and download its frames: https://www.anchorterminal.com/assets/listing-video/index.html?listing=penguin-stats
- JSON: https://www.anchorterminal.com/api/v1/tools/penguin-stats.json
- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming

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Query this catalogue directly over MCP: https://www.anchorterminal.com/mcp (Streamable HTTP, no key). How: https://www.anchorterminal.com/agents/#mcp