# io.github.gregario/onepiece-oracle (npm · onepiece-oracle)

One Piece TCG MCP server with card search, deck analysis, and set browsing

- Trust score: 70/100 (medium)
- Change this week: +44
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

- npm · `onepiece-oracle`: 70/100 (this document), [markdown](https://verifymcp.io/servers/gregario-onepiece-oracle/onepiece-oracle.md), [page](https://verifymcp.io/servers/gregario-onepiece-oracle/onepiece-oracle)

## Channel facts

- Registry: `npm`
- Package: `onepiece-oracle`
- Version: `0.1.0`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-08-03.

- **Supply Chain Security**: 87/100
  - No malware found by supply-chain analysis.
  - Only part of the dependency tree could be resolved (96 of 100), so this covers what we could see, not the whole tree.
  - No install/post-install scripts declared.
  - Only part of the dependency tree could be resolved (96 of 100), so this covers what we could see, not the whole tree.
- **Provenance & Transparency**: 45/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 118 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 77/100
  - AI-judged instruction clarity (excellent).
  - Tool/resource definitions use about 642 tokens (~107/item across 6 items; 6 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 27/100
  - Stability observed for 8 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add gregario-onepiece-oracle -- npx -y onepiece-oracle
```

### Codex

```bash
codex mcp add gregario-onepiece-oracle -- npx -y onepiece-oracle
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "gregario-onepiece-oracle": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "onepiece-oracle"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add gregario-onepiece-oracle --command npx --arg -y --arg onepiece-oracle
```

### Hermes

```yaml
mcp_servers:
  gregario-onepiece-oracle:
    command: "npx"
    args: ["-y", "onepiece-oracle"]
```

### Other

```json
{
  "mcpServers": {
    "gregario-onepiece-oracle": {
      "command": "npx",
      "args": [
        "-y",
        "onepiece-oracle"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-08-03 (score 70, +1)

No change was recorded against any check on this day. Stability & Change Management went from 23 to 27. That category is still filling its 30-day observation window: 7 days of observed history at the previous scan, 8 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-08-02 (score 69, +33)

- [security regression] Provenance: unverified → fail
- [security improvement] Install scripts: unverified → pass
- [security improvement] Known CVEs: unverified → partial
- [security improvement] Malware scan: unverified → pass
- [security] Stability: Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet.
- [functional regression] Capabilities: pass → unverified
- [functional regression] Tool coverage: 100 → unverified
- [functional improvement] License: unverified → pass
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] Dependency health: unverified → partial
- [functional improvement] Stability: unverified → 0.23
- [functional] Licence: MIT

### 2026-08-01 (score 36, +31)

- [security] Stability: Stability not yet verified: not enough scan history yet (needs a 30-day window).
- [functional improvement] MCP protocol: unverified → pass
- [functional improvement] Tool coverage: unverified → 100

### 2026-07-31 (score 5, −35)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-30 (score 40, −40)

- [security regression] Known CVEs: partial → unverified
- [security regression] Malware scan: pass → unverified
- [security regression] Provenance: fail → unverified
- [security regression] Install scripts: pass → unverified
- [functional regression] License: pass → unverified
- [functional regression] Dependency health: partial → unverified
- [functional regression] Maintenance: pass → unverified
- [functional] Licence: MIT

### 2026-07-28 (score 80, +54)

- [security regression] Provenance: unverified → fail
- [security improvement] Known CVEs: unverified → partial
- [security improvement] Install scripts: unverified → pass
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] License: unverified → pass
- [functional improvement] Tool coverage: unverified → 100
- [functional] First check of Tool coverage: 100
- [functional] First check of Schema quality: pass
- [functional] First check of Schema quality: excellent
- [functional] First check of Schema quality: fail
- [functional] Licence: MIT

### 2026-07-27 (score 26)

First indexed and scored.

## MCP tools (6)

### `search_cards` (~288 tokens)

Search One Piece TCG cards by name, color, type, cost, power, rarity, attribute, character type, or set. Returns card details with effects.

Input parameters:

- `attribute` (string): Attribute: Slash, Strike, Ranged, Special, Wisdom
- `card_type` (string): Card type: LEADER, CHARACTER, EVENT, STAGE
- `color` (string): Card color: Red, Blue, Green, Purple, Yellow, Black
- `cost` (number): Exact cost value
- `cost_max` (number): Maximum cost
- `cost_min` (number): Minimum cost
- `has_counter` (boolean): Filter cards with/without counter value
- `limit` (number): Max results (default 10)
- `offset` (number): Offset for pagination
- `power_max` (number): Maximum power
- `power_min` (number): Minimum power
- `query` (string): Search card name, number, effect text, or character type
- `rarity` (string): Rarity: C, UC, R, SR, SEC, L, SP CARD, P, TR
- `set` (string): Set name or code (e.g., "OP-01", "ROMANCE DAWN")
- `type` (string): Character type (e.g., "Straw Hat Crew", "Navy", "Supernovas")

### `browse_sets` (~80 tokens)

Browse One Piece TCG sets. List all sets with card counts, or view cards in a specific set.

Input parameters:

- `limit` (number): Max cards to show when browsing a set
- `set_name` (string): Set name or code to browse (e.g., "OP-01", "ROMANCE DAWN"). Omit to list all sets.

### `card_versions` (~79 tokens)

Show all printings/versions of a One Piece TCG card, including alternate art variants. Search by card name or card number.

Input parameters:

- `card_name` (string): Card name to look up (e.g., "Monkey.D.Luffy")
- `card_number` (string): Card number to look up (e.g., "OP01-001")

### `browse_leaders` (~52 tokens)

Browse all One Piece TCG Leader cards. Filter by color to find leaders for a specific deck color.

Input parameters:

- `color` (string): Filter by color: Red, Blue, Green, Purple, Yellow, Black

### `analyze_cost_curve` (~67 tokens)

Analyze the cost curve of a One Piece TCG deck list. Shows cost distribution, color breakdown, and card type spread.

Input parameters:

- `deck_list` (string, required): Deck list as text. Format: "4 Monkey.D.Luffy" or "4x OP01-001" per line.

### `find_counters` (~76 tokens)

Find One Piece TCG cards with counter values. Useful for building defensive deck strategies. Filter by color and cost.

Input parameters:

- `color` (string): Filter by color: Red, Blue, Green, Purple, Yellow, Black
- `cost_max` (number): Maximum cost for counter cards
- `limit` (number): Max results

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/gregario-onepiece-oracle/onepiece-oracle#diagnostics

## Score history

- 2026-08-03: 70
- 2026-08-02: 69
- 2026-08-01: 36
- 2026-07-31: 5
- 2026-07-30: 40
- 2026-07-28: 80
- 2026-07-27: 26

## Links

- npm package: https://www.npmjs.com/package/onepiece-oracle
- Socket report: https://socket.dev/npm/package/onepiece-oracle
- Repository: https://github.com/gregario/onepiece-oracle
- Changelog RSS feed: https://verifymcp.io/servers/gregario-onepiece-oracle/onepiece-oracle/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/gregario-onepiece-oracle/onepiece-oracle/changelog.json
- HTML version of this page: https://verifymcp.io/servers/gregario-onepiece-oracle/onepiece-oracle