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Spirit Cards MCP Server

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Spirit Cards is listed as active in the registry but did not answer our last check. It exposes 9 tools. Last commit 6 Oct 2026.

Read-only Spirit Cards MCP: PoW-mined NFT cards on Robinhood Chain — stats, cards, leaderboard.

Uptime history 33 days of history · worst day 0%
33 days agonow
0.0%
Uptime 24h
0 of 91 checks
9
Tools
read from the server
350 ms
Response time
average over 24h
0
Stars
last commit 6 Oct 2026

Spirit Cards does not always answer

Over the last week it answered 0.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 12 min ago.

run in your terminal
claude mcp add spirit-cards-mcp --transport http https://spiritcards.fun/api/mcp
Settings → Connectors → Add custom connector, then paste this address
https://spiritcards.fun/api/mcp
~/.codex/config.toml
[mcp_servers.spirit-cards-mcp]
url = "https://spiritcards.fun/api/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "spirit-cards-mcp": {
      "url": "https://spiritcards.fun/api/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "spirit-cards-mcp": {
      "type": "http",
      "url": "https://spiritcards.fun/api/mcp"
    }
  }
}

Available tools 9

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

card
get_card
Full profile of a Spirit Cards token by id: species, element, rarity tier, HP/ATK/DEF, and the deterministic on-chain seed. Works for any minted token id.
collection
get_collection_stats
Live collection statistics for Spirit Cards: total minted, max supply, current mint price (ETH), difficulty (requiredBits/baseBits), cooldown, merge fee, burned/forged counters, paused flag, chainId and contract.
leaderboard
get_leaderboard
On-chain activity-points leaderboard (mine/merge/stake/pvp-win points), top N wallets.
mining
get_mining_guide
Step-by-step guide to mine a Spirit Card: the exact proof-of-work rule, the live difficulty / price / cooldown / chip discount, where to get a miner (browser at /mine, public CLI), the exact contract call, and how to get a valid nonce with the find_nonce tool.
nonce
find_nonce
Grind a proof-of-work nonce for a miner address so it can mint immediately: work = keccak256(chainId ‖ core ‖ miner ‖ nonce), using the live requiredBits threshold. Returns the first nonce whose work has at least requiredBits leading zero bits, within a ~20 s wall-clock cap. If the difficulty is high it may return found:false — retry or lower maxAttempts.
pool
get_pool
Staking-pool / dividend status: accrued pool, split shares, vault total weight, undistributed rewards.
project
get_project_info
What Spirit Cards is: the game, the five-node loop (mine → merge → battle → stake → points), the chain (Robinhood Chain, CORE contract, explorer, ETH gas), official links, the collection (species / rarity tiers / battle elements) and the key economy (max supply, price step, fee split). Call get_mining_guide to start mining.
recent
get_recent_activity
Recent on-chain activity (mints / pack opens) from the latest blocks.
verify
verify_nonce
Recompute the proof-of-work for a (miner, nonce) pair exactly as the contract does: work = keccak256(chainId ‖ contract ‖ miner ‖ nonce). Returns the hash, its leading-zero-bit count, the current requiredBits threshold, and whether it would be accepted on-chain.

Endpoints

URLTransportStateLatencyChecked
https://spiritcards.fun/api/mcp streamable-http answering 350 ms 12 min ago

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Spirit Cards — questions

Answers built from our own checks of this server.

What can Spirit Cards do?
It exposes 9 tools, read directly from the server on our last check. Among them: find_nonce, get_card, get_collection_stats, get_leaderboard, get_mining_guide, get_pool and 3 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Spirit Cards working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 91 checks got a reply (0.0%), average response time 350 ms. The bar chart above shows every period we have measured.
The registry lists Spirit Cards as active — why does it not respond?
The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.
How do I connect Spirit Cards?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Spirit Cards need an API key?
No. Spirit Cards completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 9 of them are readable on this page. This is what we observed, not what the docs claim.
Is Spirit Cards open source?
The code is open source: it is published under the MIT licence, written in JavaScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at spiritcards.fun, which runs on its operator's own terms.