Judgment Pack MCP Server

judgment-pack is the vendor-neutral reference runtime for the Judgment Pack Specification (JPS). It is a reference implementation, not the only valid one: the normative specification, schemas, and conformance corpus are owned by the separate judgment-pack-spec repository, and an independent implementation is judged against the complete normative requirements of the conformance class it claims - not against this…

People who need these tools inside Claude, Cursor, VS Code, or another MCP client. The project is written in Go.

VERIFIED ACTIVE

LAST COMMIT 2026-08-24 · ★ 2 · #746 OF 848 MAINTAINED OTHER · VERIFIED 2026-08-25

Apache-2.0 · Go servers · how we verify → /methodology

01 · Install Judgment Pack

before you install - you'll need

The README does not document required environment variables for a basic install.

Docker

docker run -i --rm ghcr.io/judgment-pack/judgment-pack:0.19.0

Claude Desktop - add to config

{
  "mcpServers": {
    "judgment-pack-judgment-pack-runtime": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/judgment-pack/judgment-pack:0.19.0"
      ]
    }
  }
}

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

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Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as container (OCI image) - can be sandboxed away from your filesystem

repo age created 2026-07-23 - young repo, little track record yet

license Apache-2.0 - declared in the repository

registry namespace io.github.Judgment-Pack is GitHub-verified and matches the repo owner

03 · What Judgment Pack can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v0.19.0 · 2026-08-24

serve the configured graphs and their inventory, read-only (ADR-0029) · hold graph rows members to their exact spelling · bind every graph run to the document it loaded (ADR-0030) · report each compared node's trace in…

v0.18.0 · 2026-08-24

Bump actions/attest from 4.2.1 to 4.2.2 · packs lint: withhold the project-wide evidence check under --id (closes #96) · sync-spec-artifacts: publish from staging, never a partial bundle (closes #97) · Run the declared…

v0.17.0 · 2026-08-10

packs suggest emits candidate row inputs without expectations (ADR-0024) · packs test rows may assert the configured handoff target (ADR-0025) · v0.17.0

04 · Who maintains Judgment Pack

judgment-pack is maintained by judgment-pack. It's the only MCP server we track from this author; the repo dates to Jul 2026.

05 · Facts

repository: github.com/judgment-pack/judgment-pack-runtime
category: other - ranked #746 of 848 actively-maintained other servers as of 2026-08-25.
release cadence: 10+ releases in the last 90 days (latest 2026-08-24)
registry: io.github.Judgment-Pack/judgment-pack (active, first published 2026-07-29 · 18 versions)
packages: oci:ghcr.io/judgment-pack/judgment-pack:0.19.0

06 · Judgment Pack FAQ

What is Judgment Pack?

Is Judgment Pack still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-24 and it shipped 10+ releases in the last 90 days. We re-verify nightly.

How do I install Judgment Pack?

Run `docker run -i --rm ghcr.io/judgment-pack/judgment-pack:0.19.0`. The README does not document required environment variables for a basic install. You can also paste the ready-made client config above.

07 · Alternatives to Judgment Pack

Alternatives to Judgment Pack

Maintained other servers if Judgment Pack isn't the fit.

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