Octagon Cards
Find UFC cards, read saved estimates and recorded sales, and compare sales of related editions.
What it does
Octagon Cards is an MCP server, a connector that lets an AI assistant use it as a tool. It is hosted: an assistant connects to it over the internet, nothing to install.
No capability identified yet from its description.
Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence). None of this is a test of the tool.
At a glance
How to connect
As declared in the Official MCP Registry · hosted endpoint tested by Electra Index 2h ago (live check)Hosted endpoint
https://mcp.octagon.cards/mcpstreamable-http
In Claude Code: claude mcp add --transport http octagon-cards https://mcp.octagon.cards/mcp
MCP settings (Claude Desktop, Cursor and other MCP clients)
{
"mcpServers": {
"octagon-cards": {
"url": "https://mcp.octagon.cards/mcp"
}
}
}Live check
Electra Index connected to the hosted endpoint 2h agoONLINE Octagon Cards answered an MCP connection on 06 Nov 2026 and introduced itself as Octagon Cards 0.1.2 (MCP protocol 2025-06-18).
3 tools offered to AI assistants
search_ufc_cards· Search Octagon's UFC catalogue by fighter, year, release, card number, parallel or print run. Returns matching edition IDs and links for card identification before a value lookup. A query can match several editions. Does not identify uploadget_ufc_card_evidence· Read the saved estimate and recent recorded sales for one exact UFC card version identified by its catalogue cardId. Prices are USD. The estimate pools raw and graded sales and is not a physical-copy or grader-specific appraisal. Returns daget_ufc_card_comparables· Read up to eight selected comparable sales for an identified UFC card version, including match reasons and differences. Comparisons may include other parallels, releases or fighters. Related editions are not exact-card sales. Returns partia
What "online" means: the server answered an MCP connection at the time of the check. It is not a guarantee of security, quality or continuous uptime. How we test: we open an MCP session and ask for the tool list, as an AI assistant would. We never run a tool and never send a key. Checked every few days. Method
Is this your server? Monitoring Pro: a check every 30 minutes and an email within the hour when it stops answering. Launch offer: $39.99 once, for life.
Facts & evidence
Each fact shows where it was seen and when.| Fact | Value | Evidence | Source | Last confirmed |
|---|---|---|---|---|
| Version | 0.1.2 | DECLARED | SRC-001 Official MCP Registry | 1h ago |
| Hosted endpoint | https://mcp.octagon.cards/mcp | DECLARED | SRC-001 Official MCP Registry | 1h ago |
| Local install (package) | no | DECLARED | SRC-001 Official MCP Registry | 1h ago |
| Remote access (hosted) | yes | DECLARED | SRC-001 Official MCP Registry | 1h ago |
| Website | https://octagon.cards/mcp | DECLARED | SRC-001 Official MCP Registry | 1h ago |
| Registry status | active | DECLARED | SRC-001 Official MCP Registry | 1h ago |
| MCP server | yes | DECLARED | SRC-001 Official MCP Registry | 1h ago |
Change history
- VERSION06 Nov 20260.1.1 → 0.1.2
- VERSION06 Nov 20260.1.0 → 0.1.1
- NEW06 Nov 2026first seen in the index
Is this page accurate?
Flag it and our robot re-checks the official source. Reports never change a score.Is Octagon Cards still online?
Free alerts · no account▲ 0Do you run Octagon Cards? Know when it stops answering
For publishers · optionalIts hosted endpoint can be monitored. Monitoring Pro connects every 30 minutes like an AI assistant, emails you within the hour when it stops answering, keeps a 90-day availability history and adds your answer rate to your badge.
Monitoring never changes a score or a rank.
Questions about Octagon Cards
How do I connect Octagon Cards?
Use the hosted endpoint https://mcp.octagon.cards/mcp in your assistant's MCP settings. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.
What tools does Octagon Cards offer?
When Electra Index connected on 06 Nov 2026, it listed 3 tools: search_ufc_cards, get_ufc_card_evidence, get_ufc_card_comparables. The full list is in "Live check" above.
Is Octagon Cards online?
Yes. Its hosted endpoint answered an MCP connection from Electra Index 2h ago.