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hive-mcp-auction

An MCP server that implements an inbound reverse Dutch auction for Hive shim slots, allowing agents to bid on rate-limited access via a provably fair descent curve.

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// key findings
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 1 credential: AUCTION_OPEN_HMAC_KEY
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies1 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

lowexpress@4.19.2GHSA-qw6h-vgh9-j6wx

express vulnerable to XSS via response.redirect()

Depend on this server? Get alerted when its CVEs change.Watch this server free →
// required environment variables
This server reads these from process.env. You'll be asked to provide them before it can run.
configAUCTION_DB
🔐 secretAUCTION_OPEN_HMAC_KEYyes (to open) — Shared HMAC secret. Must match the value on hivemorph. Never commit this. Without it, every /v1/auction/open returns 401.
configBASE_RPCno https://mainnet.base.org
configBASE_RPC_URL
configBOGO_DB_PATH
configENABLE_AUCTIONno false Default-off. /v1/auction/open returns 503 unless true. Operator flips after the wallet is verified and HMAC key is set.
configPORT
configPUBLIC_BASE_URLno https://hive-mcp-auction.onrender.com Used to build claim_url / subscribe_url in the envelope.
configUSDC_BASEno 0x833589…2913 USDC contract on Base.
configWALLET_ADDRESSno 0x15184…436e W1 MONROE on Base.
// full audit trail
The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.
// improvement guidance — verified publishers only
We have 2 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/srotzin-hive-mcp-auction-1vyxc3)](https://m8ven.ai/mcp/srotzin-hive-mcp-auction-1vyxc3)
commit: fd3da45b87b62a8d505e0a7fe638ea3c7eea36e4
code hash: ecd7f62c3c20a94147159a2b283001b8b540688fb97c0d708a41e441b845803a
verified: 7/29/2026, 9:16:18 AM
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