State of Climate Tech H1 2026 report is out now!
Setup guide

Connecting Claude to Net Zero Insights

Nine steps, about a minute. You add the connector in Claude’s settings and sign in with your Net Zero Insights account.

ClaudeNet Zero Insights
Before you start

A Claude account (web or desktop app) and your Net Zero Insights login. No developer access or API key needed.

1

Open Settings

In Claude on the web or in the desktop app, click your profile picture and open Settings.

https://claude.ai/settings
2

Go to Connectors

In the Settings sidebar, find Connectors. It sits under the Customize heading — Customize is a group label, not something you click.

SettingsGeneralAccountPrivacyBillingUsageCapabilitiesCustomizeSkillsConnectorsPluginsMemory
ConnectorsAdd ▾
CanvaWeb
GmailWeb
Net Zero InsightsWebCustom
3

Add a custom connector

Click Add, then choose Add custom connector.

ConnectorsAdd ▾
Browse connectorsAdd custom connector
4

Enter the connector details

Give it a name and paste the connector URL, then click Add. Leave the OAuth Client ID and Secret blank — the server registers a client for you.

Add custom connector

Net Zero Insights
Shown in your connectors list.
The HTTPS address where the server accepts MCP requests.
Advanced settings
OAuth Client ID (optional)
OAuth Client Secret (optional)
Leave both blank.
CancelAdd
5

Continue past the server check

Claude checks the server and pre-fills the next step with what it finds. Click Continue.

Add custom connector

Checking server
Connect to the serverDone
401
Find the authorization serverDone
200
Verify the OAuth configurationDone
200

Server found. The next step is pre-filled with what was detected.

CancelContinue
6

Confirm the authentication settings

Authentication should be Always required, and OAuth client should be “No client ID — register one automatically”. Both are detected for you.

Authentication
Always requiredDetectedEach user signs in through the server’s OAuth flow before they can use any tools.
Required when the server asksConnects without credentials first and prompts users to sign in when the server asks.
NoneNo sign-in. For open servers, or servers that use an API key instead of OAuth.
OAuth client
Use hosted client metadataThe server reads client details from a URL. Nothing to set up, but the server must support it.
No client ID — register one automaticallyDetectedOAuth clients are registered with the server as users connect. This is what our server uses.
Use your own OAuth clientEnter a client ID you registered with the server yourself.
7

Sign in

Sign in with your Net Zero Insights credentials. This authorises MCP access; it does not open the Net0 Platform.

MCP access

Sign in to authorise MCP access

This connects an AI client to your Net Zero Insights account. It does not open the Net0 Platform.

Email
Password
Forgot your password?
Log in
or
Sign in with Microsoft
8

Allow MCP access

Review the requested access and click Allow.

MCP access

Allow MCP access

An MCP client wants to use your Net Zero Insights account. This is not a sign-in to the Net0 Platform.

ClientClaude
Requested accessRead company data from your Net Zero Insights account
Deny
Allow
9

Set tool permissions

Choose Always allow so Claude can use the connector’s tools without asking every time.

SettingsGeneralAccountPrivacyBillingUsageCapabilitiesCustomizeSkillsConnectorsPluginsMemory
Net Zero InsightsDisconnect
https://api-stage.netzeroinsights.com/mcp
Tool permissionsChoose when Claude is allowed to use these tools.
Other tools 48✓ Always allow ▾
Find companies
Find deals
Find investors
Find reports
You’re all set

Type “Use Net Zero Insights” in any prompt.

Start with this one to see what the connector can do:

I’ve just connected the Net Zero Insights MCP connector.

Based on what you know about my work, identify the five most valuable ways Net Zero Insights can support it. For each one, explain the capability, when to use it, the specific value of NZI data, and provide an example prompt.

Use Net Zero Insights