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On this page
  • Compatibility
  • Prerequisites
  • Setup
Integrations

Claude Desktop

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Claude for Microsoft 365

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This page was last updated and tested on 2026-06-02. The setup is stable, but Claude Desktop updates can change UI labels or configuration keys without notice — if something stops working, check this page for an updated guide.

Claude Desktop ships with a Cowork agent harness — skills, plugins, MCP servers, and multi-agent coordination — that can be pointed at any Anthropic-compatible endpoint, including your private-gpt server. This lets you run the full Cowork experience against your self-hosted models without routing data through Anthropic’s first-party infrastructure.

For the official Anthropic documentation on third-party inference, see Claude Desktop third-party inference.

Compatibility

Tested against private-gpt on 2026-05-27.

FeatureStatusNotes
Chat & streaming✅
Web search✅
File tools (read, write, edit)✅
Skills✅
Plugins✅
MCP servers✅
Multi-agent (sub-agents)✅
Native connectors (Gmail, Notion, Slack, …)❌Not available on third-party gateways — use MCP servers
Code tab config parity⚠️Some keys may not propagate to Code-tab sessions

Prerequisites

  • Claude Desktop installed and up to date
  • Developer mode enabled: Help → Troubleshooting → Enable Developer Mode
  • private-gpt server running (see serve)

The Configure Third-Party Inference option lives under Menu → Developer. If it is missing, update Claude Desktop and restart with developer mode enabled. Users on corporate or Team plans may not see it — it may be plan-gated.

Setup

1

Open the third-party inference panel

In Claude Desktop: Menu → Developer → Configure Third-Party Inference

2

Set the gateway values

FieldValue
ConnectionGateway
Gateway base URLhttp://localhost:<port>/<root_path>
Gateway API keyserver.auth.secret (any value if auth is disabled)
Gateway auth schemeBearer

private-gpt exposes an Anthropic-compatible API, so no adapter or proxy is needed. If root_path is empty, omit the trailing path:

http://localhost:8080
3

Apply and relaunch

Click Apply locally → Relaunch now.

After relaunch, log out of your Anthropic account and choose Continue with Gateway.

4

Select your model

Use the model picker to enter the model identifier exposed by your private-gpt server (e.g. default). This name must match a model registered in your server’s settings.yaml.