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Veynor MCP Server

Prediction market intelligence for AI agents, enabling real-time access to whale trades, market data, signals, and AI-synthesized analysis from Kalshi and Polymarket via a standardized protocol.

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// key findings
⚠️
Known vulnerabilities in dependencies: 5 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
🔐
You'll be asked for 8 credentials: ANTHROPIC_API_KEY, CREDENTIAL_ENCRYPTION_KEY, KALSHI_PRIVATE_KEY, MCP_ADMIN_SECRET, POLY_BUILDER_API_KEY, POLY_BUILDER_SECRET, STRIPE_SECRET_KEY, STRIPE_WEBHOOK_SECRET
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies5 high1 medium9 low

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

high@modelcontextprotocol/sdk@1.10.2GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.10.2GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.10.2GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

highnodemailer@6.9.0GHSA-p6gq-j5cr-w38f

Nodemailer: Message-level raw option bypasses disableFileAccess/disableUrlAccess, enabling arbitrary file read and full-response SSRF in the delivered message

highnodemailer@6.9.0GHSA-rcmh-qjqh-p98v

Nodemailer’s addressparser is vulnerable to DoS caused by recursive calls

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.
🔐 secretANTHROPIC_API_KEYsk-ant-... # Required for AI synthesis tools
🔐 secretCREDENTIAL_ENCRYPTION_KEY
configDB_PATH
configKALSHI_API_KEY_ID
🔐 secretKALSHI_PRIVATE_KEY
configKALSHI_PRIVATE_KEY_PATH
🔐 secretMCP_ADMIN_SECRETyour-secret-here
configMCP_PORT
🔐 secretPOLY_BUILDER_API_KEY
configPOLY_BUILDER_PASSPHRASE
🔐 secretPOLY_BUILDER_SECRET
configSTRIPE_ADVANCED_PRICE_ID
configSTRIPE_PRO_PRICE_ID
🔐 secretSTRIPE_SECRET_KEY
🔐 secretSTRIPE_WEBHOOK_SECRET
configVEYNOR_API_URLThe server runs on port 3001 by default. The Next.js app must be running at — the MCP server reads data files from disk and calls the intelligence endpoint via localhost HTTP.
configWIDE_SPREADS_PATH
// 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 4 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/veynor-xyz-veynor-mcp-nfz9d1)](https://m8ven.ai/mcp/veynor-xyz-veynor-mcp-nfz9d1)
commit: a32ecd603b93f6de446171209de5feff0871b19c
code hash: 3bee6b5328ea91876e94c32a5427f24c2f2efdf6de2e7f1fe04ece199a377e74
verified: 7/30/2026, 9:14:55 AM
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