Chamber MCP server

by ceedot-rock·io.github.ceedot-rock/json-chamber-mcp·v1.2.0

Two-key JSON seal/open. Cloak needs a live license. Open is keys-only.

B82/100grade B

What users say

No reviews yet

Safety scan

B82/100

Adoption

Growing

0 stars159 downloads/wk

Reviews

Nobody has reviewed Chamber yet.

If you have run it, two minutes of your experience saves the next person an afternoon.

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

benefit_check
Entropy + bias gate for $1900 tier. Always available. No TRU8.
chamber_cloak
Seal JSON/text with φ-split + AES-256-GCM. Requires live license.
chamber_info
Package info, cloak license ($9/mo · $99/yr), open is keys-only.
chamber_open
Open a sealed chamber blob. Keys only — no license, no clock.
chamber_status
License status: eval remaining hours, purchased, or dead.

scanner v0.1.5 · 2026-09-19 · same rubric, same numbers if you re-run it

1 medium

Code scan7 source files scanned20/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitylocal package, no credentials required12/15
Maintenancelast push 3 days ago15/15
Maintainer identityregistry namespace matches repository owner6/10

mediumeval / new Function usedexec.eval

dist/license.js: …false, reason: "open-source eval (no VERIFIEDDR_API_KEY)", }; …

Overall 82/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

Runs npx -y json-chamber-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add json-chamber-mcp -- npx -y json-chamber-mcp

Is Chamber MCP server safe?: Mostly: it is graded B (82/100). Read the Chamber safety report
How do I install Chamber?: It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does Chamber need an API key?: Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Chamber maintained?: The last commit was 4 days ago (2026-09-17). The latest release is v1.2.0.