SIBIDZ
REMOTE · SIBIDZ.IO
Peer-to-peer collectible card auctions. Agents search lots, watch items and bid within user limits.
Available components
Last scanned (2 hours ago)
Scores higher than 44% of remote servers
Reachable. Last reached 5 Nov 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 Security57
- The endpoint's TLS certificate is valid, in date, and uses a strong key. View diagnostics → Pass
- Authorisation check failed: no authorisation is required to call this server, and it exposes a tool marked destructive (account). See how to fix → View diagnostics → Fail
- HTTPS is enforced; there's no plaintext access path. View diagnostics → Pass
- HSTS check failed: the Strict-Transport-Security header is absent. See how to fix → View diagnostics → Fail
- 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 Usability74
- 100% of prompts and resources have a non-trivial description (not blank, and not just the item's name).Pass
- AI-judged instruction clarity (fair).Partial
- Tool/resource definitions use about 1449 tokens (~80/item across 18 items; 9 tools + 9 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management13
- Stability observed for 4 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage67
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 0% of tool parameters carry a description.Fail
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 11 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a current MCP spec version (2026-07-28).Pass
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.
- 5 Nov 26 0
- The server rewrote its instructions, which are the text every model session reads security
- Tool “browse” rewrote its description, which is the text the model reads security
- Tool “research” rewrote its description, which is the text the model reads security
- Server version: 8.16.4 → 8.17.52 functional
- Tool “research” changed its title: Identify cards and request market research → Card Stories and card identification cosmetic
- 4 Nov 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.
- 3 Nov 26 +1
- The server rewrote its instructions, which are the text every model session reads security
- Tool “browse” rewrote its description, which is the text the model reads security
- Schema quality: fail → pass ▲ functional
- Server version: 8.12.10 → 8.16.4 functional
- “feedback” added an optional parameter “sentiment” cosmetic
- “browse” dropped the optional parameter “funding_accounts” cosmetic
- “buy” dropped the optional parameter “funding_accounts” cosmetic
- “contact” dropped the optional parameter “funding_accounts” cosmetic
- “feedback” dropped the optional parameter “funding_accounts” cosmetic
- 2 Nov 26 +1
- The server rewrote its instructions, which are the text every model session reads security
- Tool “account” rewrote its description, which is the text the model reads security
- Stability: unverified → 0.03 ▲ functional
- Server version: 8.12.5 → 8.12.10 functional
- 1 Nov 26 60
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 5 Nov 2026 · Probed https://sibidz.io/mcp
TLS valid
Negotiated TLS 1.3 with TLS_AES_128_GCM_SHA256 .
| Subject | Issuer | Valid from | Valid until | Key | Signature | Serial |
|---|---|---|---|---|---|---|
| CN=sibidz.io | CN=YE1,O=Let's Encrypt,C=US | 17 Oct 2026 | 15 Jan 2027 | ECDSA 256 | ECDSA-SHA384 | 50ce79a90281ff978678c863ec925ec5931 |
| SANs: sibidz.io | ||||||
| CN=YE1,O=Let's Encrypt,C=US (CA) | CN=Root YE,O=ISRG,C=US | 3 Sept 2025 | 2 Sept 2028 | ECDSA 384 | ECDSA-SHA384 | 5ddd70dd31f801c85c186a7a04b80afe |
| 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 sibidz.io. — Not signed
| Zone | DS | Keys | Algorithms | Outcome |
|---|---|---|---|---|
| . | trust_anchor | 20326, 38696 | 8, 8 | Verified |
| io. | present | 38690 | 8 | Verified |
| sibidz.io. | 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 |
|---|---|
| x-content-type-options | nosniff |
| 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://sibidz.io/mcp | Verified | 200 | |
| http (plaintext) | http://sibidz.io/mcp | HTTPS enforced | 308 | https://sibidz.io/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 →
account Manage your SIBIDZ account ~42
Read setup status and manage account details or agreements. Sign in only on SIBIDZ during OAuth. Paid actions require request_id and max_fee. See auction://reference.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
bid Join auctions and manage bids ~43
Join a run, authorize a maximum or place an explicit manual bid. Paid actions require request_id and max_fee; automatic increments and maximum cancellation are free. See auction://reference.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
browse Find items and read marketplace records ~88
Read active listings free. Text searches, sales data (query.scope=sales) and private pages need request_id and max_fee. Use detail=full for terms. See auction://reference.
| Name | Type | Req | Description |
|---|---|---|---|
| cursor | string | – | – |
| detail | – | – | – |
| limit | integer | – | – |
| max_fee | string | – | – |
| query | – | – | – |
| ref | – | – | – |
| request_id | – | – | – |
No output schema declared.
No examples provided.
buy Buy items and negotiate offers ~132
Buy or negotiate under frozen terms. Paid actions require request_id and max_fee; interest, decline and withdrawal are free. Pay the seller directly. See auction://reference.
| Name | Type | Req | Description |
|---|---|---|---|
| accept_terms | – | – | – |
| action | – | – | – |
| coming_soon_id | – | – | – |
| entry_id | – | – | – |
| interested | boolean | – | – |
| max_fee | string | – | – |
| offer_hash | – | – | – |
| offer_id | – | – | – |
| offer_terms_hash | – | – | – |
| price | string | – | – |
| request_id | – | yes | – |
| sale_contact_consent | – | – | – |
| terms_hash | – | – | – |
| unit | – | – | – |
No output schema declared.
No examples provided.
contact Contact support or message about an item ~104
Send free support or appeals, or paid private item messages with request_id and max_fee. Reads are free; messages never authorize spending. See auction://reference.
| Name | Type | Req | Description |
|---|---|---|---|
| action | – | yes | – |
| conversation_id | – | – | – |
| decision_id | – | – | – |
| entry_id | – | – | – |
| human | boolean | – | – |
| max_fee | string | – | – |
| message | string | – | – |
| request_id | – | yes | – |
| text | string | – | – |
| to | string | – | – |
No output schema declared.
No examples provided.
credits Manage credits and top-ups ~42
Prepare top-ups or approve transfers, withdrawals, accounts and exports. Paid authority requires request_id and max_fee; x402 also requires an explicit cap. See auction://reference.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
feedback Review a trade and confirm handover ~88
Submit an immutable review under its frozen fee or confirm handover free. Paid reviews require request_id and max_fee. Read eligibility first. See auction://reference.
| Name | Type | Req | Description |
|---|---|---|---|
| action | – | yes | – |
| comment | string | – | – |
| confirmed | – | – | – |
| entry_id | – | yes | – |
| max_fee | string | – | – |
| rating | integer | – | – |
| request_id | – | yes | – |
| sentiment | – | – | – |
No output schema declared.
No examples provided.
research Card Stories and card identification ~43
Read the free offer; approve a Card Story or separate photo identification with request_id and max_fee. New stories publish canonical card research and email a PDF. See auction://reference.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
sell Prepare listings and manage selling ~38
Prepare private listings, then approve exact publication, edits or withdrawal. Paid stages require request_id and max_fee; preparation never publishes. See auction://reference.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
How do I install the SIBIDZ MCP server?
SIBIDZ is a hosted endpoint at https://sibidz.io/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 · sibidz.io
claude mcp add --transport http io-sibidz-sibidz 'https://sibidz.io/mcp'
What is the SIBIDZ MCP server?
SIBIDZ is an MCP server listed in the public MCP registry as io.sibidz/sibidz. Peer-to-peer collectible card auctions. Agents search lots, watch items and bid within user limits. This page covers its hosted endpoint (https://sibidz.io/mcp).
Is the SIBIDZ MCP server safe to use?
SIBIDZ scores 63 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 SIBIDZ MCP server expose?
SIBIDZ exposes 9 tools: account, browse, sell, bid, buy, and 4 more. Their descriptions and schemas cost roughly 620 tokens of context every time the server is loaded.
Does the SIBIDZ MCP server require authentication?
No. We connected to SIBIDZ without credentials and it answered, so anything it exposes is reachable by anyone who knows the address.
Is the SIBIDZ MCP server still maintained?
SIBIDZ is still listed as active in the MCP registry. We last reached this channel on 5 November 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.