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io.github.0xsims/rubric-protocol

Official registry Security

AI compliance attestation for EU AI Act, SR 11-7, HIPAA. Free local tier, no key required.

Source code Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package @rubric-protocol/mcp-server
Claude Code 
claude mcp add rubric-protocol -e 'RUBRIC_API_KEY=<your rubric_api_key>' -- npx -y @rubric-protocol/mcp-server@2.0.2
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "rubric-protocol": {
            "command": "npx",
            "args": [
                "-y",
                "@rubric-protocol/mcp-server@2.0.2"
            ],
            "env": {
                "RUBRIC_API_KEY": "<your rubric_api_key>"
            }
        }
    }
}

Environment variables

  • RUBRIC_API_KEY secret Rubric API key for Hedera mainnet anchoring. Optional — omit for free local PQ-signed attestation.

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. Rubric Protocol MCP Server
  2. Quickstart
  3. Tools
  4. Get a Free API Key
  5. Regulatory Coverage
  6. Links

Rubric Protocol MCP Server

AI compliance attestation for Claude Desktop, Cursor, Windsurf, and any MCP-compatible host.

Every AI decision PQ-signed, Merkle-chained, and anchored to Hedera mainnet. Built for EU AI Act Article 12, SR 11-7, HIPAA, and NIST AI RMF.

Quickstart

Add to your claude_desktop_config.json:

{ "mcpServers": { "rubric": { "command": "npx", "args": ["-y", "@rubric-protocol/mcp-server@latest"], "env": { "RUBRIC_API_KEY": "your-key-here" } } } }

Free local tier, no key required:

{ "mcpServers": { "rubric": { "command": "npx", "args": ["-y", "@rubric-protocol/mcp-server@latest"] } } }

Restart Claude Desktop. Rubric tools appear automatically.

Tools

47 tools across 8 modules. Default profile exposes the core 8; set RUBRIC_MCP_MODULES=all (or a comma list, e.g. core,compliance) for more.

core (default): attest, verify, get_proof, register_agent, status, framework_detect, cost_estimate, bundle_query attestation: attest_batch, attestation_status, attestation_get, pipeline_trace, bundle_get verification: verify_chain, verify_tree, verify_batch, zk_verify, zk_proof_get, ledger_lookup compliance: annex4_generate, annex4_status, c2pa_attest, c2pa_assertion, credential_issue, credential_get, compliance_query, compliance_report, filing_generate regulatory: gpai_register, gpai_downstream, nist_rmf_certify, nist_rmf_status, jurisdiction_map, jurisdiction_assess, jurisdiction_gap governance: incident_create, incident_attest, incident_resolve, human_review, adversarial_session_start, adversarial_session_conclude registry: agent_add, agent_get, model_register, model_get ops: usage_report, auditor_token_create

The only MCP tools whose outputs are ML-DSA-65 (FIPS 204) signed, Hedera-anchored, and exportable as EU AI Act Annex IV, OSCAL, C2PA, and W3C Verifiable Credential evidence.

Get a Free API Key

Run register_agent directly inside Claude Desktop, no browser required. Or visit https://rubric-protocol.com

Regulatory Coverage

EU AI Act | SR 11-7 | NIST AI RMF | HIPAA | NYC Local Law 144 | ECOA Reg B

https://rubric-protocol.com https://www.npmjs.com/package/@rubric-protocol/mcp-server https://registry.modelcontextprotocol.io

Frequently asked questions

What is io.github.0xsims/rubric-protocol?

AI compliance attestation for EU AI Act, SR 11-7, HIPAA. Free local tier, no key required.

How do I install io.github.0xsims/rubric-protocol?

It runs on your machine. In Claude Code: claude mcp add rubric-protocol -e 'RUBRIC_API_KEY=<your rubric_api_key>' -- npx -y @rubric-protocol/mcp-server@2.0.2. For other clients, paste the JSON configuration from this page into their MCP settings.

Does io.github.0xsims/rubric-protocol need an API key?

Yes. It expects RUBRIC_API_KEY, which you set in its configuration.

Is io.github.0xsims/rubric-protocol open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains io.github.0xsims/rubric-protocol?

It is published by 0xsims. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.