com.arcat/arcat
REMOTE · MCP.ARCAT.COM · SCANNED OCT 6
Search building products & manufacturers for AI agents: CAD, BIM, specs by CSI from arcat.com
Available components
How this component scores in each security and reliability category. Every signal is checked automatically against the live server, and we only credit what we can confirm. How we score → Why this is hard to score →
Endpoint Security51
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- Authorisation not fully verified: no authorisation is required to connect, but we couldn't read the whole tool list to see what that exposes. View diagnostics → Unverified
- HTTPS enforcement could not be verified: the plaintext port answered with HTTP 401, which proves neither a plaintext path nor enforcement. View diagnostics → Unverified
- The HSTS (Strict-Transport-Security) header is present. View diagnostics → Pass
- DNSSEC check failed: this domain isn't protected by DNSSEC. See how to fix → View diagnostics → Fail
Transport & Reachability100
- Verified streamable-http transport via a live MCP handshake. View diagnostics → Pass
Schema Quality & AI Usability0
- Schema blocked by authentication: the endpoint requires auth we don't have to read it. See how to fix → Unverified
Stability & Change Management0
- Stability not yet verified: not enough scan history yet (needs a 30-day window).Unverified
Tool Coverage0
- Tool coverage blocked by authentication: the endpoint requires auth we don't have to read its tools.Unverified
Tool Safety0
- Tool safety blocked by authentication: the endpoint requires auth we don't have to read its tools.Unverified
Capabilities0
- Capabilities blocked by authentication: the endpoint requires auth we don't have to read them. See how to fix → Unverified
Unverified: 5 categories
Categories scored 0 because we could not verify them: authentication we do not have, an unreachable endpoint, or not enough scan history. We only credit what we can confirm. Claim this server and supply a read-only token to verify it and lift the score.
How do I install the com.arcat/arcat MCP server?
com.arcat/arcat is a hosted endpoint at https://mcp.arcat.com/mcp, so there is nothing to install locally. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
remote · mcp.arcat.com
claude mcp add --transport http com-arcat-arcat 'https://mcp.arcat.com/mcp'
{
"mcpServers": {
"com-arcat-arcat": {
"url": "https://mcp.arcat.com/mcp"
}
}
} {
"servers": {
"com-arcat-arcat": {
"type": "http",
"url": "https://mcp.arcat.com/mcp"
}
}
} [mcp_servers.com-arcat-arcat] url = "https://mcp.arcat.com/mcp"
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"com-arcat-arcat": {
"type": "remote",
"url": "https://mcp.arcat.com/mcp",
"enabled": true
}
}
} openclaw mcp add com-arcat-arcat --url 'https://mcp.arcat.com/mcp' --transport streamable-http
mcp_servers:
com-arcat-arcat:
url: "https://mcp.arcat.com/mcp" {
"McpServers": {
"com-arcat-arcat": {
"Transport": "http",
"Url": "https://mcp.arcat.com/mcp"
}
}
} assistant mcp add com-arcat-arcat -t streamable-http -u 'https://mcp.arcat.com/mcp'
{
"mcpServers": {
"com-arcat-arcat": {
"type": "http",
"url": "https://mcp.arcat.com/mcp"
}
}
} The mcpServers block is a cross-client convention. Remote transports vary, so check your client's docs.
Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 28 Sept 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 25 Sept 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 5 Sept 26 0
- Authorization: fail → unverified ▼ security
- Transport: unverified → pass ▲ security
- HSTS header: fail → pass ▲ security
- 4 Sept 26 0
- Authorization: unverified → fail ▼ security
- Transport: pass → unverified ▼ security
- HSTS header: pass → fail ▼ security
- 26 Aug 26 0
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 25 Aug 26 0
- Authorization: fail → unverified ▼ security
- Transport: unverified → pass ▲ security
- HSTS header: fail → pass ▲ security
- 22 Aug 26 0
- Authorization: unverified → fail ▼ security
- Transport: pass → unverified ▼ security
- HSTS header: pass → fail ▼ security
- 21 Aug 26 0
- Authorization: fail → unverified ▼ security
- Transport: unverified → pass ▲ security
- HSTS header: fail → pass ▲ security
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 6 Oct 2026 · Probed https://mcp.arcat.com/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=arcat.com | CN=WE1,O=Google Trust Services,C=US | 10 Sept 2026 | 10 Dec 2026 | ECDSA 256 | ECDSA-SHA256 | 750d5db6196776200e63d9c643565771 |
| SANs: arcat.com, *.arcat.com | ||||||
| CN=WE1,O=Google Trust Services,C=US (CA) | CN=GTS Root R4,O=Google Trust Services LLC,C=US | 13 Dec 2023 | 20 Feb 2029 | ECDSA 256 | ECDSA-SHA384 | 7ff31977972c224a76155d13b6d685e3 |
| CN=GTS Root R4,O=Google Trust Services LLC,C=US (CA) | CN=GlobalSign Root CA,OU=Root CA,O=GlobalSign nv-sa,C=BE | 15 Nov 2023 | 28 Jan 2028 | ECDSA 384 | SHA256-RSA | 7fe530bf331343bedd821610493d8a1b |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of mcp.arcat.com. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| com. | present | 19718 | 13 | Verified |
| arcat.com. | absent | Unsigned (proven) parent-signed NSEC/NSEC3 proves an unsigned delegation |
Authentication No authorisation required
The endpoint answered without asking for a token. Anyone who knows the URL can reach it.
| Result | No authorisation required |
|---|---|
| HTTP status | 200 |
| Header | Value |
|---|---|
| strict-transport-security | max-age=31536000; includeSubDomains |
| content-security-policy | default-src 'none'; frame-ancestors 'none' |
| x-content-type-options | nosniff |
| x-frame-options | DENY |
| referrer-policy | no-referrer |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://mcp.arcat.com/mcp | Verified | 200 | |
| http (plaintext) | http://mcp.arcat.com/mcp | Inconclusive | 401 |
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
browse_csi_sections Browse CSI Sections ~226
Browse CSI MasterFormat building product categories. No parameters: list all divisions (e.g., "07 - Thermal and Moisture Protection"). Division only: list all entries under that division. Division + level: filter by hierarchy depth: Level 1 = Groups (e.g., 07 10 00 Dampproofing and Waterproofing) Level 2 = Sections (e.g., 07 21 00 Thermal Insulation) Level 3 = Narrowscope (e.g., 07 21 13 Board Insulation) Add section to drill into a specific parent (e.g., division "07", level 2, section "072000").
| Name | Type | Req | Description |
|---|---|---|---|
| division | string | – | CSI division code (e.g., "07"). Omit to list all divisions. |
| level | integer | – | Hierarchy depth within division: 1=group, 2=section, 3=narrowscope |
| section | string | – | Parent section code to filter within (e.g., "072000" to see sections under Thermal Protection) |
| Name | Type | Req | Description |
|---|---|---|---|
| sections | array | yes | – |
| total | integer | yes | – |
No examples provided.
get_manufacturer Get Manufacturer Profile ~55
Get detailed profile for a specific building product manufacturer by their ARCAT ID. Returns company info, CSI sections, available content types, and product count.
| Name | Type | Req | Description |
|---|---|---|---|
| manufacturer_id | integer | yes | ARCAT manufacturer ID (seq/coid) |
| Name | Type | Req | Description |
|---|---|---|---|
| arcat_url | string | – | – |
| available_content | array | – | – |
| csi_sections | array | – | – |
| error | string | – | – |
| location | object | – | – |
| manufacturer_id | – | – | – |
| name | string | – | – |
| product_count | number | – | – |
| website | string | – | – |
No examples provided.
search_manufacturers Search Manufacturers ~131
Search for building product manufacturers by name, keyword, or CSI MasterFormat section. Returns company details with links to their ARCAT profile.
| Name | Type | Req | Description |
|---|---|---|---|
| csi_division | string | – | CSI MasterFormat 04 division (e.g., "07") |
| csi_section | string | – | CSI MasterFormat 04 section code (e.g., "074600") |
| limit | integer | – | Max results (1-50, default 20) |
| offset | integer | – | Pagination offset |
| query | string | – | Text search (e.g., "terra cotta", "Owens Corning") |
| Name | Type | Req | Description |
|---|---|---|---|
| results | array | yes | – |
| total | integer | yes | – |
No examples provided.
search_products Search Building Products ~163
Search for building products by keyword, CSI MasterFormat section, or content format. Returns product details with links to specifications, CAD, BIM, and catalog downloads on arcat.com.
| Name | Type | Req | Description |
|---|---|---|---|
| csi_division | string | – | CSI MasterFormat 04 division (e.g., "07") |
| csi_section | string | – | CSI MasterFormat 04 section code (e.g., "074600") |
| format_filter | string | – | Filter by available content format |
| limit | integer | – | Max results (1-50, default 20) |
| made_in_usa | boolean | – | Filter for Made in USA products only |
| offset | integer | – | Pagination offset |
| query | string | – | Text search (e.g., "fiber cement rainscreen") |
| Name | Type | Req | Description |
|---|---|---|---|
| results | array | yes | – |
| total | integer | yes | – |
No examples provided.
What is the com.arcat/arcat MCP server?
com.arcat/arcat is an MCP server listed in the public MCP registry as com.arcat/arcat. Search building products & manufacturers for AI agents: CAD, BIM, specs by CSI from arcat.com. This page covers its hosted endpoint (https://mcp.arcat.com/mcp).
Is the com.arcat/arcat MCP server safe to use?
com.arcat/arcat scores 30 out of 100 on VerifyMCP. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the com.arcat/arcat MCP server expose?
com.arcat/arcat exposes 4 tools: search_products, search_manufacturers, get_manufacturer, browse_csi_sections. Their descriptions and schemas cost roughly 575 tokens of context every time the server is loaded.
Does the com.arcat/arcat MCP server require authentication?
No. We connected to com.arcat/arcat without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the com.arcat/arcat MCP server still maintained?
com.arcat/arcat is still listed as active in the MCP registry. We last reached this channel on 6 October 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.