MarketNow Registry / Security / openhammer

openhammer

Standalone MCP server (no LLM) exposing shell + filesystem tools to a remote agent over Streamable HTTP. Run it on a laptop or deploy it on a server to give any authenticated MCP client controlled com

MarketNow trust score 60/100 Security v1.1.1 by harry-hathorn
Trust score
60/100
Install risk
Runs registry code
Downloads / week
3
Source
npm-registry
Indexed
2026-09-10

Install

$ npx -y openhammer

Installing via npx/uvx/npm install executes arbitrary code from the public registry on your machine. This is the install-risk semantic of the MarketNow catalog — verify the publisher before running it.

Adoption evidence: 3 weekly registry downloads.

How MarketNow scored this

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

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

What is openhammer?

Standalone MCP server (no LLM) exposing shell + filesystem tools to a remote agent over Streamable HTTP. Run it on a laptop or deploy it on a server to give any authenticated MCP client controlled com Indexed by MarketNow with trust 60/100 (Runs registry code).

How do I install it?

Run $ npx -y openhammer Installing via npx/uvx/npm install executes arbitrary code from the public registry on your machine. This is the install-risk semantic of the MarketNow catalog — verify the publisher before running it.

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. openhammer scores 60/100.