MarketNow Registry / Security / arbiter-mcp-firewall

arbiter-mcp-firewall

Arbiter: MCP tool-call firewall, integration binary

Security v0.0.54 by unknown

Trust score

64/100

Install risk

Review advised

Source

crates

Indexed

2026-09-10

Install

$ cargo install arbiter-mcp-firewall --locked

Heuristic signals advise review before installing: young package, low adoption, stale repository, or name similarity to a popular package.

How MarketNow scored this

Sentinel Index Heuristics — a security-first estimate from public signals:

Package age and release activity (stale repositories lose points)
Verified adoption: registry downloads or GitHub stars, not follower counts
Typosquat distance against the 150 most-installed MCP packages
Injection markers scanned in the package description

Heuristic, not a guarantee. For verified agent credentials and revocation, see the MarketNow Trust API.

What is arbiter-mcp-firewall?

Arbiter: MCP tool-call firewall, integration binary Indexed by MarketNow with trust 64/100 (Review advised).

How do I install it?

Run $ cargo install arbiter-mcp-firewall --locked Heuristic signals advise review before installing: young package, low adoption, stale repository, or name similarity to a popular package.

What does the trust score mean?

Security-first heuristic over public signals (age, adoption, typosquat distance, injection markers). It is not a popularity ranking and not a guarantee of safety. arbiter-mcp-firewall scores 64/100.