# Cernion Energy Tools MCP MCP Server

Energy-domain MCP tools for Cernion context, evidence and guarded process preparation

**Publisher claimed.** No tool list reported, and Pod has not connected to this server.

## Status

Pod has not dialled Cernion Energy Tools MCP yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

## Connect

A hosted endpoint at `https://api.cernion.de/api/mcp`, over streamable-http. Nothing to install.

```json
{
  "mcpServers": {
    "cernion-energy-tools-mcp": {
      "type": "http",
      "url": "https://api.cernion.de/api/mcp"
    }
  }
}
```

## Known issues

**17 problems reported by people outside the maintainer team.** Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 12.

### Most discussed

### Ask/Sidecar response contract for blueprint-aware read-only execution plans

## Context

OpenClaw now uses the generic Cernion Sidecar bridge instead of domain-specific Sidecar tools. The Sidecar should not know Cernion fachliche REST endpoints such as asset, MaStR, MaKo, steering, billing or other process endpoints.

The intended bridge remains the existing Sidecar-facing `cernion.ask` flow:

- OpenClaw/Sidecar calls the existing `cernion.ask` provider tool / Sidecar API path.
- Cernion resolves intent, capabilities, blueprints, guardrails and evidence internally.
- If 

[Read the thread](https://github.com/energychain/cernion-energy-tools/issues/271) · 2026-06-23 · closed · 12 comments

### Security: sichere Token-Provisionierung und Tenant/User-Bindung

# Issue 25 — Sichere Token-Provisionierung und Tenant/User-Bindung

**Bereich:** Security / Auth / Multi-Tenant · **Priorität:** Kritisch · **Ziel-Release:** v0.55

## Problem

`POST /api/tokens` kann aktuell ohne gültige Authentifizierung aufgerufen werden. Dadurch kann ein externer Client einen neuen `ck_`-Token erzeugen. Zusätzlich können neue Tokens ohne `tenantId` erstellt werden; diese Tokens sind tenant-neutral und damit nicht eindeutig auf einen Mandanten begrenzt. Eine User-Bindung exis

[Read the thread](https://github.com/energychain/cernion-energy-tools/issues/157) · 2026-05-29 · closed · 10 comments

### Discovery: OpenClaw Sidecar fuer Cernion Fach- und Prozesswissen

## Ausgangsidee

Cernion soll perspektivisch nicht nur einzelne Fachfunktionen bereitstellen, sondern als Fach- und Prozesswissensschicht fuer Stadtwerke nutzbar werden. OpenClaw, Hermes oder ein vergleichbarer Agent-Orchestrator koennte davor als Assistenz- und Uebersetzungsschicht fuer Mitarbeitende dienen: Der Mensch arbeitet in natuerlicher Sprache und rollenspezifischen Workflows, waehrend Cernion die fachlichen Begriffe, Prozesslogik, Evidenz, Guardrails und REST-faehigen Microservices lie

[Read the thread](https://github.com/energychain/cernion-energy-tools/issues/254) · 2026-06-19 · closed · 8 comments

### v0.63: Cernion Answer Dossier / Babelfish prompt architecture

## Goal

Implement **v0.63: Cernion Answer Dossier / Babelfish prompt architecture**.

Cernion should become the fachliche Orchestrierungsmaschine for energy-domain prompts. External GenAI systems such as MS365 Copilot, n8n, AnythingLLM, OpenWebUI or other agentic runtimes should not own the domain reasoning. They should only render prose from a Cernion-produced dossier.

In short:

```text
Cernion = Fachlogik, Prozesswissen, Evidence, State Machine, Guardrails, Prompt-Maschine
External renderer

[Read the thread](https://github.com/energychain/cernion-energy-tools/issues/220) · 2026-06-14 · closed · 6 comments

### Product discovery: Model Viability Management Review Workbench selector and matrix-sync panel

## Context

`origin/main` now contains both reusable source contracts for the next Stadtwerk-Mauer Workbench slice:

- `GET /api/dashboard/model-viability-evidence-gate` from #445/#450: deterministic, read-only evidence rows for one supplied operating-model candidate; no ranking, economics, legal/regulatory decision or execution.
- canonical Blueprint-Pack seed `stadtwerk-mauer-model-viability-management-review-v1` from #451/#470, including a four-row `demoProcessMatrix`, `roleLegend.M = Mitwirk

[Read the thread](https://github.com/energychain/cernion-energy-tools/issues/471) · 2026-07-22 · open · 4 comments

### Most recent

### Route Wallet Governance readiness through Capability Broker, CoPilot and Sidecar

## Context

Depends on the wallet governance preview service from the concept artifact:

`Cernion/AgentOS/10 Working Artifacts/2026-07-30-CET-Wallet-Governance-Konzept-EEG2027-FlexBG.md`

Product framing: the Corrently Wallet should act as a bilateral governance instrument between Netzanschlussnutzer and Netzbetreiber/Lieferant/MSB. CET should make that concept usable from the existing agent surfaces without allowing autonomous contract changes, market communication writes or device control.

##

[Read the thread](https://github.com/energychain/cernion-energy-tools/issues/505) · 2026-07-30 · open · 2 comments

### Wire Willi-Mako knowledge wrapper into read-only CET consumer services

## DevOps / Claude Code Handoff

### Context
Issue #494 / PR #495 added the dedicated CET wrapper service for Willi-Mako / Marktkommunikation knowledge:

- `services/willi-mako.service.js`
- Actions:
  - `willi-mako.search`
  - `willi-mako.resolveStructure`
- Internal MCP tool behind it:
  - `cernion_willi_mako_search`

This solves the base CET-internal access layer. The next step is to wire this service into selected CET consumers so MaKo knowledge can actually support validation planning, doss

[Read the thread](https://github.com/energychain/cernion-energy-tools/issues/496) · 2026-07-25 · closed · 2 comments

### Add dedicated Willi-Mako Marktkommunikation MCP wrapper service

## DevOps / Claude Code Handoff

### Context
CET already has a generic Knowledge RAG wrapper (`services/knowledge-rag.service.js`) backed by the internal Cernion MCP client (`src/mcp-client.js`) and the MCP tool `cernion_rag_search`.

For Marktkommunikation / Willi-Mako knowledge we should **not** expand the generic `knowledge-rag` service. Add a dedicated CET microservice wrapper so MaKo knowledge can be used for validation logic, structural hints, and explanation context without coupling it to

[Read the thread](https://github.com/energychain/cernion-energy-tools/issues/494) · 2026-07-24 · closed · 1 comment

### Open WebUI: document Cernion deployment profile, RBAC and safety runbook

## Kontext

The current Open WebUI README documents a local demo stack and explicitly disables auth for local testing. For any shared Cernion demo or Stadtwerk sandbox, we need a safe deployment profile that distinguishes local-only use from team/shared use.

Open WebUI supports user/global tool servers, RBAC and model/tool settings. Cernion needs a concise runbook so the integration is not accidentally exposed with local demo defaults.

## Ziel

Create/extend documentation for a Cernion Open We

[Read the thread](https://github.com/energychain/cernion-energy-tools/issues/428) · 2026-07-14 · closed · 2 comments

### Open WebUI: define draft-only Process Intake tool contract

## Kontext

Cernion separates read-only Evidence Lookup from Process Intake / Write Boundary. Open WebUI can later expose process-facing tools, but only if the server-side contract enforces tenant scope, roles, allowed operations, side-effect boundaries and HITL.

This issue is the smallest implementable slice: define and test a draft-only Process Intake tool contract for Open WebUI. It must not execute real process mutations.

## Ziel

Add a draft-only OpenAPI tool contract that accepts a user-

[Read the thread](https://github.com/energychain/cernion-energy-tools/issues/427) · 2026-07-14 · closed · 2 comments

### Open WebUI: add read-only Cernion Evidence OpenAPI tool server

## Kontext

Open WebUI can connect external services as OpenAPI tool servers. For Cernion, this is the right path for agentic tool use: Open WebUI should call an explicit read-only Evidence Lookup contract instead of embedding Cernion domain logic in a chat bridge or Workspace Tool.

## Ziel

Add a minimal external OpenAPI tool server under `integrations/open-webui/` that exposes Cernion Evidence Lookup as a read-only tool for Open WebUI Native Function Calling.

## Scope

- New server module un

[Read the thread](https://github.com/energychain/cernion-energy-tools/issues/426) · 2026-07-14 · closed · 2 comments

### Open WebUI: make Sidecar bridge configurable and session-lifecycle safe

## Kontext

Cernion has an existing Open WebUI integration in `integrations/open-webui/`. The current bridge exposes an OpenAI-compatible `/v1/chat/completions` endpoint and forwards requests to a hard-coded, expiring Sidecar session.

Open WebUI should remain an interchangeable agent frontend. Cernion Energy Tools must keep ownership of capability, blueprint, policy, evidence-router and write-boundary decisions.

## Ziel

Make the existing Open WebUI Sidecar bridge usable beyond a one-off demo 

[Read the thread](https://github.com/energychain/cernion-energy-tools/issues/425) · 2026-07-14 · closed · 0 comments

[See all 16 reports Pod holds for Cernion Energy Tools MCP](/mcp/cernion-energy-tools-mcp/issues) — of 17 qualified upstream.

## Firsthand observations

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