Context Window Supply
REMOTE · CONTEXTWINDOWSUPPLY.COM
Browse merch for AI builders, get US shipping quotes, and create Stripe checkout links.
Available components
Last scanned (3 hours ago)
Scores higher than 60% of remote servers
Reachable. Last reached 18 Oct 2026.
Category E-commerce
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 Security80
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- No authorisation is required to call this server. Every tool declares its destructiveHint and none is destructive, so open access doesn't expose one. See how to fix → View diagnostics → Partial
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- 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 Usability65
- AI-judged instruction clarity (good).Pass
- Tool/resource definitions use about 436 tokens (~87/item across 5 items; 5 tools + 0 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management10
- Stability observed for 3 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage79
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 36% of tool parameters carry a description.Partial
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- All 1 tool(s) whose name or description implies an irreversible operation declare an MCP destructiveHint annotation.Pass
- An AI judge read all 6 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities60
- Spec-recency check failed: implements MCP spec 2025-06-18; the latest is 2026-07-28. See how to fix → Fail
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.
- 18 Oct 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 7 to 10. That category is still filling its 30-day observation window: 2 days of observed history at the previous scan, 3 at this one. The score rises as the window fills, whether or not the server changes.
- 17 Oct 26 +2
- The server rewrote its instructions, which are the text every model session reads security
- Schema quality: 63 → 87 ▼ functional
- Tool coverage: 0% → 36% ▲ functional
- Schema quality: fair → good functional
- Destructive annotations: pass → 100 functional
- New tool “request_refund” functional
- 16 Oct 26 −1
- The server rewrote its instructions, which are the text every model session reads security
- Tool “create_checkout_link” rewrote its description, which is the text the model reads security
- Schema quality: 55 → 63 ▼ functional
- MCP protocol: pass → fail ▼ functional
- Stability: unverified → 0.03 ▲ functional
- MCP protocol version: 2025-11-25 → 2025-06-18 functional
- Server version: 0.2.0 → 1.0.1 functional
- 15 Oct 26 68
First indexed and scored.
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 18 Oct 2026 · Probed https://contextwindowsupply.com/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=contextwindowsupply.com | CN=YE2,O=Let's Encrypt,C=US | 15 Oct 2026 | 13 Jan 2027 | ECDSA 256 | ECDSA-SHA384 | 688b67c82a869d8ab5a3f5a34293c637816 |
| SANs: contextwindowsupply.com, www.contextwindowsupply.com | ||||||
| CN=YE2,O=Let's Encrypt,C=US (CA) | CN=Root YE,O=ISRG,C=US | 3 Sept 2025 | 2 Sept 2028 | ECDSA 384 | ECDSA-SHA384 | 4df3b15dd6c0784c507cd37b58e6f115 |
| CN=Root YE,O=ISRG,C=US (CA) | CN=ISRG Root X2,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | ECDSA 384 | ECDSA-SHA384 | 872165fc34b6e5fba8add5b3705fb53a |
| CN=ISRG Root X2,O=Internet Security Research Group,C=US (CA) | CN=ISRG Root X1,O=Internet Security Research Group,C=US | 13 May 2026 | 2 Sept 2032 | ECDSA 384 | SHA256-RSA | 6c8f1dc727c7117f7baf853ac980f9cd |
Background: What to check on a remote MCP endpoint →
DNSSEC insecure
Validation of contextwindowsupply.com. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| com. | present | 19718 | 13 | Verified |
| contextwindowsupply.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=63072000; includeSubDomains; preload |
| content-security-policy | default-src 'self'; script-src 'self'; style-src 'self'; img-src 'self' data: https:; connect-src 'self'; form-action 'self' https://checkout.stripe.com; frame-ancestors 'none'; base-uri 'none'; object-src 'none'; upgrade-insecure-requests |
| x-content-type-options | nosniff |
| x-frame-options | DENY |
| referrer-policy | strict-origin-when-cross-origin |
| permissions-policy | camera=(), microphone=(), geolocation=(), payment=() |
Background: How OAuth 2.1 works in the 2026 MCP spec →
Transports 2 probes
| Transport | URL | Outcome | Status | Location |
|---|---|---|---|---|
| streamable-http | https://contextwindowsupply.com/mcp | Verified | 200 | |
| http (plaintext) | http://contextwindowsupply.com/mcp | HTTPS enforced | 301 | https://contextwindowsupply.com/mcp |
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 →
create_checkout_link ~63
Checkout is live. Creates a Stripe checkout link for the order that a person opens and pays on Stripe. This tool charges nothing by itself. US shipping only. Never send card details to this server.
| Name | Type | Req | Description |
|---|---|---|---|
| country | string | – | – |
| items | array | yes | – |
No output schema declared.
No examples provided.
get_product ~29
Get one product with sizes, colors and price. Read-only.
| Name | Type | Req | Description |
|---|---|---|---|
| product_id | string | yes | – |
No output schema declared.
No examples provided.
get_shipping_quote ~76
Subtotal, shipping and total for US delivery. Read-only. Rates per item, first/each extra: tee $4.95/$2.25, hoodie $8.95/$2.5, sticker sheet $3.95/$1.95.
| Name | Type | Req | Description |
|---|---|---|---|
| country | string | – | – |
| items | array | yes | – |
No output schema declared.
No examples provided.
request_refund ~154
Files a refund request for a past order. It only files a request: a person reviews it and replies by email. It never refunds anything by itself and never takes card details, so never send card numbers. Needs the order email, the Stripe receipt number or order number, and a reason.
| Name | Type | Req | Description |
|---|---|---|---|
| string | yes | Email address used for the order. | |
| items | string | – | Optional: which items, with color and size. |
| order_reference | string | yes | Stripe receipt number (like 1234-5678) or order number (like CWS-AB12CD34EF). |
| reason | string | yes | What went wrong, for example damaged, misprinted, wrong item or lost in transit. |
No output schema declared.
No examples provided.
search_products ~41
Search Context Window Supply merch (tees, hoodies, stickers for AI builders). Read-only.
| Name | Type | Req | Description |
|---|---|---|---|
| query | string | – | – |
| type | string | – | – |
No output schema declared.
No examples provided.
How do I install the Context Window Supply MCP server?
Context Window Supply is a hosted endpoint at https://contextwindowsupply.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 · contextwindowsupply.com
claude mcp add --transport http com-contextwindowsupply-store 'https://contextwindowsupply.com/mcp'
What is the Context Window Supply MCP server?
Context Window Supply is an MCP server listed in the public MCP registry as com.contextwindowsupply/store. Browse merch for AI builders, get US shipping quotes, and create Stripe checkout links. This page covers its hosted endpoint (https://contextwindowsupply.com/mcp).
Is the Context Window Supply MCP server safe to use?
Context Window Supply scores 70 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 Context Window Supply MCP server expose?
Context Window Supply exposes 5 tools: search_products, get_product, get_shipping_quote, create_checkout_link, request_refund. Their descriptions and schemas cost roughly 363 tokens of context every time the server is loaded.
Does the Context Window Supply MCP server require authentication?
No. We connected to Context Window Supply without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the Context Window Supply MCP server still maintained?
Context Window Supply is still listed as active in the MCP registry. We last reached this channel on 18 October 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.