x402 Oracle MCP Server

by kwizzlesurp10-ctrlio.github.kwizzlesurp10-ctrl/x402orclev0.1.0

Paid x402 help: debug 402 errors, review MCP manifests, rewrite Bazaar listings. USDC on Base.

0remoteofficial registry

context tax

~429 tok/turn7 tools

security

100/100

cold start

hosted

freshness

Active1d ago

Our reading of x402 Oracle, from the data

x402 Oracle is a database MCP server from kwizzlesurp10-ctrl, listed in the official MCP Registry.

Its 7 tools add about 429 tokens to every model turn, lighter than the database median of 2,107 tokens across 86 measured servers (measured 2026-10-19).

Maintenance is active: the last public signal was in the last day (2026-10-17). For comparison, 63% of database servers are active or maintained.

With 0 GitHub stars it ranks #676 of 1,397 database servers we index.

It runs as a hosted endpoint, so there is nothing to install.

Install x402 Oracle MCP server

claude mcp add --transport http x402orcle https://x402orcle.vercel.app/mcp

{
  "mcpServers": {
    "x402orcle": {
      "url": "https://x402orcle.vercel.app/mcp"
    }
  }
}

{
  "mcpServers": {
    "x402orcle": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://x402orcle.vercel.app/mcp"
      ]
    }
  }
}

Or add it as a custom connector under Settings → Connectors. The config above bridges via mcp-remote.

{
  "servers": {
    "x402orcle": {
      "type": "http",
      "url": "https://x402orcle.vercel.app/mcp"
    }
  }
}

{
  "mcpServers": {
    "x402orcle": {
      "serverUrl": "https://x402orcle.vercel.app/mcp"
    }
  }
}

Remote endpoints

streamable-httphttps://x402orcle.vercel.app/mcp

Context tax

Connecting this server adds ~429 tokens of tool definitions to every model turn (lean, 7 tools). Measured 2026-10-19 via its hosted endpoint; o200k tokenizer, worst case for clients that load all tools up front. How we measure

Model	Per 1,000 turns	With prompt caching
Claude Opus 5.5	$1.72	$0.086
Claude Sonnet 5.5	$0.858	$0.086
Claude Haiku 5.5	$0.043	—

Input prices as of 2026-10-06. Excludes your own prompt and output.

Tools (7)

oracle_diagnose_40275 tok
Post-mortem a 402 handshake: PAYMENT-REQUIRED shape, bazaar extension, network, asset, resource.url.
oracle_bazaar_rewrite74 tok
Rewrite serviceName (≤32), description (≤500), tags (≤5) for buyer-query rank. Warns on first-index freeze.
oracle_ask69 tok
Paid x402/MCP/A2A/Bazaar consult. JSON wisdom envelope: verdict, wisdom, developer build notes, risk, citations, receipt.
complete_oracle_task65 tok
Outcome A2A task: typed diffs, operator handoff notes, and revenue/risk for a concrete x402 shipping goal.
oracle_review_mcp63 tok
Review an MCP paid-tool server for createPaymentWrapper, free health tool, discovery extension, burner isolation.
oracle_pricing42 tok
Free menu of paid consults, A2A tasks, and connect how-to. No keys requested.
oracle_health41 tok
Free liveness + seller posture (payTo configured, no spend key, network, demo/live).

Security signals

100/100 — no known issues found as of 2026-10-19, from the checks below. This is not a guarantee of safety; review what a server can do before connecting it.

Deductions

No findings from the checks that ran.

Checks

✓Repository hygiene (archived, activity, license, security policy)
✓Tool descriptions (prompt-injection and hidden-text heuristics)
○Package metadata (install scripts, provenance) — pending
○Source scan (secrets, CVEs, risky code) by vectra-guard — pending

Scan it yourself before installing with vectra-guard, the open-source agent security CLI. Scoring rules

Freshness

Active — last maintenance signal 1d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-10-17 · 1d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-17 · 2d ago · official registry · v0.1.0

How it compares in Database

Against the most-starred database servers we index. Token cost is per model turn, measured from each server's live tool list.

Server	Stars	Tools	Tokens / turn	Freshness	Runs
x402 Oracle (this)	0	7	429	Active	hosted
Screenpipe	21,982	—	not measured	Active	—
Genai Toolbox	16,679	—	not measured	Active	hosted
Convex Backend	12,716	—	not measured	Active	—
Kubeshark	12,100	—	not measured	Active	local
Baserow	6,174	—	not measured	Active	—

All database MCP servers

FAQ

›How do I install the x402 Oracle MCP server in Claude Code?

Run: claude mcp add --transport http x402orcle https://x402orcle.vercel.app/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does x402 Oracle require an API key?

No required environment variables are declared in its published metadata.

›Can I use x402 Oracle as a remote (hosted) MCP server?

Yes. It is a hosted MCP server; connect to its URL with any client that supports remote MCP.

›Is x402 Oracle in the official MCP registry?

Yes, as io.github.kwizzlesurp10-ctrl/x402orcle.

›How many tokens does x402 Oracle add to my context?

Its tool definitions total about 429 tokens, resent on every turn.

Sources and method

Official MCP Registry entry: updated 2026-10-17
GitHub repository: fetched 2026-10-19
Tool list (tools/list), measured by us: 2026-10-19
Security signals, computed by us: 2026-10-19
Last checked against all sources: 2026-10-19

The description, packages and links come from the maintainer's own published metadata. Token cost, security signals, freshness and the reading above are MCPSkillHub's own measurements; see the methodology. Editorial standards are owned by Ramachandra Vikas Chamarthi, Founder & AI HPC Architect. Spot an error? Request a correction or claim the listing.