Is the eMetals AI™ Taiwan Steel Data MCP server safe?

No scan can promise that. What its definitions show: 4 tools, 1 of which can change, send or delete something, and 0 findings from fixed checks. Allow the reads, ask before each change, and deny the deletes; the permissions block on this page does that.

Can the eMetals AI™ Taiwan Steel Data MCP server delete data?

No tool is classed as destructive: going by their definitions, none of them deletes, cancels or revokes anything.

Can the eMetals AI™ Taiwan Steel Data MCP server do things that cannot be undone?

No tool is classed as irreversible: none of them sends, pays, publishes or merges, going by their definitions.

What tools does the eMetals AI™ Taiwan Steel Data MCP server have?

4 tools: 1 write, 3 read. emetals_estimate_cbam, emetals_search_steel_specs, emetals_search_inventory and emetals_search_suppliers.

Does the eMetals AI™ Taiwan Steel Data MCP server need sign-in or OAuth?

Its remote endpoint listed its tools to an anonymous client, without sign-in.

Does the eMetals AI™ Taiwan Steel Data MCP server send data to outside services?

None of its tools sends, posts or publishes, or takes a recipient, channel or URL.

Has the eMetals AI™ Taiwan Steel Data MCP server changed its tools?

Not since anlyon.dev started tracking it. Last scanned Nov 8, 2026.

eMetals AI™ Taiwan Steel Data MCP server

tw.emetals/emetals-aiemetals.twstreamable-httpv1.0.0Scanned 7 days ago

Taiwan steel data: grade specs and properties, live stock, metal suppliers, and CBAM cost estimates.

4 tools: 1 change things and 3 only read.

Reads private data · 1
Reads text others write · 1
Can send data out · 0
No findings

Tools listed without sign-in. Remote posture

With Anlyon

1 tool here changes things. Govern it.

Anlyon lists the tools and adopts none.
Each tool you adopt gets approvals and receipts.
Your agent never holds the key.

Govern this server →

A tool your agent calls directly is not routed through Anlyon and is not governed by it. anlyon.dev only lists and labels, and these labels are the same either way.

What the eMetals AI™ Taiwan Steel Data MCP server can do

The eMetals AI™ Taiwan Steel Data MCP server is published by emetals.tw, a domain the MCP Registry verified. It has 4 tools. It can create or change data (1 tool: emetals_estimate_cbam), but cannot delete data. 3 tools only read.

1 tool reads private data (emetals_search_suppliers); 1 tool brings in text other people can write (emetals_search_suppliers).

None of the fixed checks matched anything in its tool definitions. That is not a safety guarantee.

Its remote endpoint lists its tools without sign-in.

Last scanned Nov 8, 2026, version 1.0.0.

Tools

Grouped by what each tool does, most consequential first. Open one for its reasons and full description; descriptions are the publisher's own words.

4 tools

Changes things 1Creates or changes something that can be changed back.Claude Code: ask

emetals_estimate_cbam估算鋼材出口歐盟的內含碳排（tCO₂e）與 CBAM 憑證成本。可給製程路線（採行業平均碳強度）或直接給碳強度（例如 EPD 的 A1–A3 值）。未提供 EU ETS 碳價時只算碳排量，不自行假設碳價。結果為粗估，未扣除免費配額遞減與原產國已付碳價。No findings
Why it is in this group
- Nothing in its name or description says what it does, so it is counted as a write.
- The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
Description, as the server wrote it
估算鋼材出口歐盟的內含碳排（tCO₂e）與 CBAM 憑證成本。可給製程路線（採行業平均碳強度）或直接給碳強度（例如 EPD 的 A1–A3 值）。未提供 EU ETS 碳價時只算碳排量，不自行假設碳價。結果為粗估，未扣除免費配額遞減與原產國已付碳價。
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: false

Only reads 3Looks things up and changes nothing.Show 3 read-only tools

emetals_search_inventory搜尋 eMetals AI™ 平台上架中的鋼材現貨（板材、型鋼、條線、鋼捲、餘料等）：品名、材質、尺寸、數量、價格、所在縣市、是否為附 EPD 綠鋼與碳強度。價格為 0 表示需詢價。供應商身分不公開，請引導使用者到回傳的連結登入詢價。No findings
Why it is in this group
- The name "emetals_search_inventory" says "search": a word for reading.
Description, as the server wrote it
搜尋 eMetals AI™ 平台上架中的鋼材現貨（板材、型鋼、條線、鋼捲、餘料等）：品名、材質、尺寸、數量、價格、所在縣市、是否為附 EPD 綠鋼與碳強度。價格為 0 表示需詢價。供應商身分不公開，請引導使用者到回傳的連結登入詢價。
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: false
emetals_search_steel_specs查詢鋼種（牌號）的規範、說明、用途、化學成分上下限（%）與依厚度分段的機械性質（降伏強度、抗拉強度 MPa、伸長率 %）。資料來自鋼廠公開型錄（中鋼、東和、唐榮、燁聯、榮剛、中鋼鋁業、名佳利等），約 1,300 支牌號，涵蓋 JIS、ASTM、CNS、EN、SAE 等規範，每筆標明 source。同一牌號在不同產品（熱軋、厚板、條線、型鋼）的規範可能不同，會…No findings
Why it is in this group
- The name "emetals_search_steel_specs" says "search": a word for reading.
Description, as the server wrote it
查詢鋼種（牌號）的規範、說明、用途、化學成分上下限（%）與依厚度分段的機械性質（降伏強度、抗拉強度 MPa、伸長率 %）。資料來自鋼廠公開型錄（中鋼、東和、唐榮、燁聯、榮剛、中鋼鋁業、名佳利等），約 1,300 支牌號，涵蓋 JIS、ASTM、CNS、EN、SAE 等規範，每筆標明 source。同一牌號在不同產品（熱軋、厚板、條線、型鋼）的規範可能不同，會分別列出。例：SS400、SPCC、A572 Gr.50、S45C。
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: false
emetals_search_suppliers搜尋台灣金屬材料與加工供應商名錄（已在 eMetals AI™ 入駐的優先列出），可依公司名、材質、縣市篩選。回傳公司名、所在縣市區域、材質與加工類別、eMetals AI™ 公司頁連結；不提供電話或 email，聯絡請透過連結在平台詢價。Reads private dataReads text others writeNo findings
Why it is in this group
- The name "emetals_search_suppliers" says "search": a word for reading.
What it can reach
- private-dataThe description's first sentence says "email": it reads mail.
- untrusted-inputThe description's first sentence says "email": it reads inbound email, which other people can write.
Description, as the server wrote it
搜尋台灣金屬材料與加工供應商名錄（已在 eMetals AI™ 入駐的優先列出），可依公司名、材質、縣市篩選。回傳公司名、所在縣市區域、材質與加工類別、eMetals AI™ 公司頁連結；不提供電話或 email，聯絡請透過連結在平台詢價。
Annotations the server declares
- readOnlyHint: true
- destructiveHint: false
- idempotentHint: true
- openWorldHint: false

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Exfil surface

Which tools read private data, which read text someone else can write, and which can send data out. One of each is a path a prompt injection can use.

No private-data, untrusted-input, outbound path in this server alone: no tool is tagged outbound.

Reads private data1: Reads files, mail, messages, databases, secrets, calendars or repositories.; emetals_search_suppliers
Reads text others write1: Brings in text someone else can write: web pages, inbound email, messages, issues and comments.; emetals_search_suppliers
Can send data out0: Can carry data to people or systems: it sends, posts or publishes, or takes a recipient, channel or URL.

Other servers in the same agent add their own tools to these paths. Audit your whole setup to see them together.

Remote posture

What anyone on the internet sees at the remote endpoint: an anonymous initialize and tools/list, and the public OAuth metadata.

Tools listed without sign-in

Looked at Nov 8, 2026, 06:19 UTC, unchanged since Nov 8, 2026. No credentials were sent and no tool was called. What is looked at.

Reachable: yes
HTTP status of an anonymous initialize: 200
tools/list served without credentials: yes
Tools that change things, listed without credentials: 1
Protocol version: 2025-06-18
WWW-Authenticate on 401: not observed
resource_metadata in WWW-Authenticate: not observed
RFC 9728 protected resource metadata: not observed
Authorization servers: not observed
Legacy HTTP+SSE transport: no
Dynamic client registration: not observed
Client ID metadata documents: not observed

WarnThe whole server
The endpoint served tools/list without credentials, and the list has 1 tool that changes things (1 write). Whether a call also works without credentials was not tested: tools are never called.
Matched text
https://emetals.tw/mcp: tools/list returned 4 tools to an anonymous client, including emetals_estimate_cbam (write)
What this check looks for

Findings

Matches of fixed checks, with the text they matched.

No check matched anything in these tool definitions. That is not a safety guarantee.

History

Changes to its tool definitions and to its remote endpoint, newest first.

No change seen yet. Its tools are rescanned every day, and a remote endpoint is looked at once a week.

All changes to this server

Install

Pinned to version 1.0.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http emetals-ai https://emetals.tw/mcp

claude mcp add --transport http emetals-ai https://emetals.tw/mcp

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change or a way out, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json

{
  "permissions": {
    "allow": [
      "mcp__emetals-ai__emetals_search_steel_specs",
      "mcp__emetals-ai__emetals_search_inventory",
      "mcp__emetals-ai__emetals_search_suppliers"
    ],
    "ask": [
      "mcp__emetals-ai__emetals_estimate_cbam"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. A read that can send data out (it takes a URL, say) asks first too. It assumes the server is installed as emetals-ai. Review it before you use it.

Capability tags behind 1 rule

mcp__emetals-ai__emetals_search_suppliers private-data, untrusted-input

Keep the decision: fail CI when the tools change, follow every change, or show a badge.

Pin in CI

Fail a build when the tools you reviewed are not the tools the server serves today.

curl -s "https://anlyon.dev/api/v1/servers/tw.emetals/emetals-ai/verify?hash=508b6f6319e8da8cbd7c99058f60fd85977c8b1a861dfd63a69b663af8a9f6bf" | jq -e '.changed == false'

Pinned hash 508b6f6319e8, from Nov 8, 2026, 06:18 UTC.

Watch

Get told when its tools change: a new tool, a new description, a new class.

https://anlyon.dev/servers/tw.emetals/emetals-ai/changes.xml

An Atom feed. Works in any feed reader or Slack's RSS app.

Badge

[![anlyon.dev](https://anlyon.dev/badge/tw.emetals/emetals-ai.svg)](https://anlyon.dev/servers/tw.emetals/emetals-ai)

Source: MCP Registry. Synced Nov 8, 2026, 07:17 UTC.