Nexus Convergence

MCP server wrapping the Balanced Intelligence Convergence Pipeline.

Exposes the full pipeline as 4 MCP tools usable by any MCP-compatible client (Claude Code, Claude Desktop, etc.).

Tools

converge_query

Fan out a query to multiple LLMs, run consensus, return structured result.

{
  "query": "Is this treatment effective?",
  "models": ["gpt-4o", "claude-3-5-sonnet-20241022", "gemini-1.5-pro"],
  "policy_set": "hipaa"
}

Returns: run_id, agreement_score, stability, agreed_claims, disputed_claims, final_answer.

get_evidence_ladder

Return the full Evidence Ladder for a query — immutable audit trail of every pipeline step.

{ "query_id": "run-uuid" }

Returns: ordered list of entries from QUERY → DECOMPOSE → MODEL_EXECUTE → CONSENSUS → VERIFY → CONCLUDE.

check_compliance

Check content against HIPAA/EU_AI_ACT/NIST/CUSTOM policies.

{
  "content": "Patient SSN is 123-45-6789",
  "categories": ["HIPAA"]
}

Returns: passed, blocked, violations, warnings, logs.

list_model_disagreements

Return where models diverged — inversions (direct contradictions), disputed claims, low-similarity pairs.

{ "query_id": "run-uuid" }

Returns: inversions, disputed_claims, low_similarity_pairs.

MCP configuration

Add to your MCP config:

{
  "mcpServers": {
    "nexus-convergence": {
      "command": "npx",
      "args": ["-y", "@gonzih/nexus-convergence-mcp"],
      "env": {
        "CONVERGENCE_SERVICE_URL": "http://your-convergence-service:3000",
        "CONSENSUS_SERVICE_URL": "http://your-consensus-service:3001",
        "EVIDENCE_SERVICE_URL": "http://your-evidence-service:3002",
        "COMPLIANCE_SERVICE_URL": "http://your-compliance-service:3003",
        "NEXUS_API_KEY": "your-api-key"
      }
    }
  }
}

Environment

CONVERGENCE_SERVICE_URL=http://localhost:3000
CONSENSUS_SERVICE_URL=http://localhost:3001
EVIDENCE_SERVICE_URL=http://localhost:3002
COMPLIANCE_SERVICE_URL=http://localhost:3003
NEXUS_API_KEY=your-api-key

Development

npm ci
npm run build
npm start
npm test