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For energy suppliers pricing with ene't Navigator

An enet Navigator API and MCP server that reads grid fees and peak-load windows from your machine account

Pexon builds an enet Navigator API connector so Claude, ChatGPT or Copilot can read location properties, peak-load windows and grid fees on the customer's own Navigator machine account. ene't documents HTTP Basic authentication and publishes OpenAPI for two of those reads. The grid-charge specification returned an empty body on 5 November 2026. No Navigator MCP server was published.

What we build

A first ene't Navigator tool list, written as the manifest your IT team signs

Built on what ene't GmbH documents: location properties, electricity control zones, balancing areas, gas market areas, peak-load windows, switching times, grid charges. Backends named below are documented resources; "confirmed in blueprint" means the vendor documentation sits behind a login and the resource is checked against your release first.

# enet-navigator-mcp-server: tool manifest, draft for blueprint week 1
# Every tool runs as the person asking. Nothing is written without a person confirming.
tools:
  get_location_properties:        # address, date -> control zone, balancing area and gas market area
    backend: GET /standorteigenschaften
    mode: read
  get_peak_load_windows:          # address, year, voltage level -> peak-load windows, switching times and network operator
    backend: GET /strom
    mode: read
  get_peak_load_by_operator_code: # operator code, year, voltage level -> peak-load windows
    backend: GET /strom/codenummer
    mode: read
  get_grid_charges:               # address, customer group, period -> grid charges, metering costs and levies
    backend: confirmed in blueprint
    mode: read
  get_price_sheet:                # network operator -> published price-sheet data
    backend: confirmed in blueprint
    mode: read
audit: every call logged with user, tool, arguments and the ene't Navigator response

The manifest is the contract. A question that needs an operation not on it gets a new line and a review, not a wider permission.

Checked 5 November 2026

ene't Navigator at a glance: interfaces, access and what exists for AI

What we found
InterfacesLocation properties REST (REST/JSON, docs public) · Peak-load windows REST (REST/JSON, docs public) · Grid-charge package (electricity) (REST/JSON, docs public) · BO4E repository REST (REST/JSON, docs public)
AuthenticationA company admin creates a machine account in Navigator and assigns a licence that selects which webservices it may call. Each request sends that username and password as HTTP Basic authentication. ene't documents HTTP 401 for a wrong username or password and HTTP 403 when the licence does not cover the webservice.
Vendor MCP serverNo vendor server. No Navigator MCP server is named on the ene't pages read on 5 November 2026. A search that day, and a public GitHub repository search, did not return one from ene't.
Vendor AI assistantNone found.
Other connectorsCURSOR EVI documents a script that calls an ene't grid-charge service and links a swagger UI. On 5 November 2026 that UI did not return the specification without authentication. It is not an MCP server.

ene't GmbH (DE). Energy suppliers that price electricity and gas in Germany. ene't's homepage, read on 5 November 2026, says more than 600 companies in the energy-supply industry are regular customers of ene't GmbH. That figure is the company, not a Navigator-only count.

Why ene't Navigator is hard for agents

Where a ene't Navigator connection needs engineering, not configuration

01 · Host

The API is ene't's, the account is the customer's

Calls go to ws.enet-navigator.de. The connector runs in the customer's network and uses the customer's machine account. Navigator is not a database on a server in the customer's rack.

02 · Docs

Two specifications were readable, and the grid-charge file was empty

OpenAPI for location properties and peak-load windows was read on 5 November 2026. The grid-charge, market-partner and price-sheet URLs returned HTTP 200 with an empty body. Those tools do not name a path.

03 · Licence

Basic authentication is not the permission

The username identifies the machine account. The licence on that account decides which packages answer. HTTP 403 means the licence does not include the webservice that was called.

04 · Writes

The same host also accepts POST and DELETE

The peak-load specification includes POST /strom. The BO4E repository specification includes POST and DELETE. Those methods stay off the manifest. The connector does not publish a price sheet or change a licence.

One interface per row

How the ene't Navigator interfaces differ

01

Location properties REST

REST/JSON. Documentation is public. OpenAPI read on 5 November 2026: GET /standorteigenschaften on ws.enet-navigator.de/standorteigenschaften, for an address and a date

REST/JSON. Docs public.

02

Peak-load windows REST

REST/JSON. Documentation is public. OpenAPI read the same day: GET /strom and GET /strom/codenummer on ws.enet-navigator.de/hochlastzeitfenster; POST is in the file and stays off the manifest

REST/JSON. Docs public.

03

Grid-charge package (electricity)

REST/JSON. Documentation is public. the catalog describes BO Fremdkosten for an address and a period; the linked OpenAPI URL returned an empty body on 5 November 2026, so no path is named

REST/JSON. Docs public.

04

BO4E repository REST

REST/JSON. Documentation is public. OpenAPI read the same day includes GET, POST and DELETE; only a refusal of the writes is in scope here, not a tool

REST/JSON. Docs public.

ene't Navigator holds the records. An assistant without a governed way in answers from whatever someone pasted into the chat. The connector is the governed way in: named operations, the person's own permissions, every call logged.

What the connector answers, and what it will not do

Questions it answers

  • Which control zone, balancing area and gas market area apply to this address?
  • What peak-load windows and switching times apply here for this year and voltage level?
  • What grid fees, metering costs and levies does the grid-charge package describe for this address and period?

What it will not do

  • Change a price sheet, a licence or a machine account. Those are administration, not a read.
  • Call POST or DELETE on the BO4E repository, or POST a peak-load request. The public specifications include those methods and they stay off the manifest.
  • Treat GET /standorteigenschaften as the grid-charge calculation. That path returns location properties. The grid-charge package is a separate service whose path was not in the empty specification.

When this is the wrong page

If the system is KISTERS BelVis or VIVAVIS IDSpecto, use that connector. Navigator is ene't's hosted market-data API, not a portfolio or a meter-data system on the customer's server. An ene't MCP server was not found on 5 November 2026. If one appears, this page is the read-only restriction, not a second writer.

Start with the Readiness Blueprint.

Two weeks, €4,900 fixed price. Week one agrees the tool list with your ene't Navigator owners and checks every backend against your release and licence. Week two tests whether a person's own ene't Navigator permissions reach through the connector. You keep the manifest and a costed build plan, whoever builds it. All prices are net and exclude VAT.

What we need from you: a named ene't Navigator administrator, a test or sandbox system we may call, and one business owner who can say which questions the assistant should answer first. The first production connector is usually a use-case pilot from €15,000; it runs in your environment, and the code is yours.

Sources: ene't homepage · Partner page, webservices and machine accounts · Grid-charge package, electricity · FAQ: client authentication · OpenAPI: location properties · OpenAPI: peak-load windows · OpenAPI: BO4E repository. Read 5 November 2026. Vendor documentation changes; verify against the current release.

Questions ene't Navigator teams ask before the first tool call

Does ene't ship an MCP server for Navigator?

Not one that was named on the Navigator pages read on 5 November 2026. A search that day, and a public GitHub repository search for an ene't Navigator MCP server, did not return one from ene't.

What can an assistant read from the enet Navigator API?

Location properties for an address, including the electricity control zone and balancing area and the gas market area, from GET /standorteigenschaften. Peak-load windows, switching times and the network operator from GET /strom. Grid fees, metering costs and levies are described on the electricity grid-charge package. That OpenAPI body was empty, so the path is confirmed in the blueprint.

Can the assistant call a webservice the machine account is not licensed for?

No. A company admin creates the machine account and assigns a licence that selects the webservices it may call. ene't documents HTTP 403 when the licence does not cover the webservice, and HTTP 401 when the username or password is wrong.

What does an enet Navigator connector cost?

The two-week Readiness Blueprint is fixed at €4,900: the tool list, which packages the machine account may call, identity tested end to end, and a costed build plan. The production connector is usually a use-case pilot from €15,000. Prices are net, excluding VAT.

Next step

Not a sales call. An architecture call.

Thirty minutes with the engineer who would build the connector, with your ene't Navigator administrator in the room if you like.

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