Borrowing it
Nothing to install: this file belongs to asgard-ai-platform/mcp-cwa. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/asgard-ai-platform/mcp-cwa/main/CLAUDE.mdgit clone --depth 1 https://github.com/asgard-ai-platform/mcp-cwaWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/instructions/asgard-ai-platform/mcp-cwa/claude-md)<a href="https://agentmods.dev/instructions/asgard-ai-platform/mcp-cwa/claude-md"><img src="https://agentmods.dev/badge/instructions/asgard-ai-platform/mcp-cwa/claude-md/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/instructions/asgard-ai-platform/mcp-cwa/claude-md"><img src="https://agentmods.dev/badge/instructions/asgard-ai-platform/mcp-cwa/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00477 | $0.00477 |
| Opus 5 | $0.00238 | $0.00238 |
| Sonnet 5 | $0.00095 | $0.00095 |
| Haiku 4.5 | $0.00048 | $0.00048 |
Grade A, and why
mcp-cwa CLAUDE.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 9d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
CLAUDE.md
專案概覽
mcp-cwa 是中央氣象署（CWA）Open Data API 的 MCP Server，提供 36 個查詢工具，涵蓋 7 個氣象資料分類。
架構
- 認證模式: Mode A（Query parameter auth）
- HTTP 方法: 全部 GET
- 入口:
mcp_server.py（stdio transport） - 單例:
app.py（FastMCP）
目錄結構
config/settings.py — API key、80 個 endpoint、URL builder、鄉鎮 mapping
tools/base_tool.py — api_get() 共用 HTTP 邏輯
tools/forecast_tools.py — 9 tools（預報）
tools/observation_tools.py — 7 tools（觀測）
tools/earthquake_tools.py — 5 tools（地震）
tools/climate_tools.py — 5 tools（氣候）
tools/warning_tools.py — 7 tools（警特報）
tools/numerical_tools.py — 1 tool（數值預報）
tools/astronomy_tools.py — 2 tools（天文）
常用命令
# 測試連線
CWA_API_KEY=xxx python scripts/auth/test_connection.py
# E2E 測試（需要真實 API key）
CWA_API_KEY=xxx python tests/test_all_tools.py
# 啟動 server
CWA_API_KEY=xxx python mcp_server.py
# 檢視資料結構
CWA_API_KEY=xxx python scripts/auth/inspect_data_structure.py F-C0032-001
環境變數
CWA_API_KEY— CWA Open Data 授權碼（必要）
重要規則
- 所有 tool 都是 read-only（
readOnlyHint=True） - 所有 tool 都是同步
def，不是async def - 參數用
pydantic.Field(description=...) - 不 raise exception，回傳
{"error": msg, "code": N} timeout=60on all requests
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 9d ago First seen · 49 lines · 477 tokens per session scan A 12cb851f2583
mcp-cwa CLAUDE.md is an instructions file published in the GitHub repository asgard-ai-platform/mcp-cwa (0 stars, last pushed 4mo ago), licensed MIT. It adds 477 tokens to every session, about $0.0024 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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