NullClear Arbiter MCP Server
by nullclear-protocolio.github.mithgalalfayez/nullclearv1.1.1
Autonomous x402 payment schema-escrow arbiter, spend firewall, failover & ERC-8004 Sybil oracle
context tax
not measurable
security
97/100
cold start
pending
freshness
Active1d ago
Our reading of NullClear Arbiter, from the data
NullClear Arbiter is a database MCP server from nullclear-protocol, listed in the official MCP Registry.
We haven't measured its tool list yet, so its token cost is unknown.
Maintenance is active: the last public signal was in the last day (2026-10-18). For comparison, 64% of database servers are active or maintained.
With 1 GitHub stars it ranks #538 of 1,397 database servers we index.
It runs either locally over stdio or as a hosted endpoint.
Install NullClear Arbiter MCP server
Install in Claude Code
claude mcp add nullclear-protocol -- npx -y @nullclear/mcpInstall in Cursor
{
"mcpServers": {
"nullclear-protocol": {
"command": "npx",
"args": [
"-y",
"@nullclear/mcp"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"nullclear-protocol": {
"command": "npx",
"args": [
"-y",
"@nullclear/mcp"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"nullclear-protocol": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@nullclear/mcp"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"nullclear-protocol": {
"command": "npx",
"args": [
"-y",
"@nullclear/mcp"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Remote endpoints
- streamable-http
https://api.nullclear.dev/mcp
Security signals
97/100 — 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 security policy (SECURITY.md)-3
Checks
- ✓Repository hygiene (archived, activity, license, security policy)
- ○Package metadata (install scripts, provenance) — pending
- ○Tool descriptions (prompt-injection and hidden-text heuristics) — 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)
2026-10-18 · 1d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-10-16 · 3d ago · official registry · v1.1.1
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 |
|---|---|---|---|---|---|
| NullClear Arbiter (this) | 1 | — | not measured | Active | local + 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 | — |
FAQ
›How do I install the NullClear Arbiter MCP server in Claude Code?
Run: claude mcp add nullclear-protocol -- npx -y @nullclear/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does NullClear Arbiter require an API key?
No required environment variables are declared in its published metadata.
›Can I use NullClear Arbiter as a remote (hosted) MCP server?
Yes — it offers both a hosted endpoint and a local stdio package.
›Is NullClear Arbiter in the official MCP registry?
Yes, as io.github.mithgalalfayez/nullclear.
Sources and method
- Official MCP Registry entry
- updated 2026-10-16
- GitHub repository
- fetched 2026-10-19
- Package registry (npm / PyPI)
- listed
- 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. Spot an error? Request a correction or claim the listing.
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