MCP Nexus
by BMKoscak
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| NEXUS_HOST | No | Where the server listens. There is no login, so keep it on localhost. | 127.0.0.1 |
| NEXUS_PORT | No | Where the server listens. | 8765 |
| GEMINI_API_KEY | No | Google Gemini provider key (overrides keys saved in the UI). GOOGLE_API_KEY also works for Gemini. | |
| GOOGLE_API_KEY | No | Alternative provider key for Gemini (overrides keys saved in the UI) | |
| NEXUS_DATA_DIR | No | SQLite database and the encryption key | ./data |
| OPENAI_API_KEY | No | OpenAI provider key (overrides keys saved in the UI) | |
| OLLAMA_BASE_URL | No | Local models | http://localhost:11434 |
| NEXUS_SECRET_KEY | No | Key used to encrypt API keys, webhook URLs and connector secrets (Fernet key; otherwise data/secret.key is used) | |
| ANTHROPIC_API_KEY | No | Anthropic provider key (overrides keys saved in the UI) | |
| NEXUS_PLUGINS_DIR | No | Custom connectors | ./plugins |
| NEXUS_DEFAULT_MODEL | No | First model selected, as provider/model | ollama/llama3.2 |
| NEXUS_WORKSPACE_DIR | No | The only folder the filesystem and sqlite connectors can touch | ./workspace |
| NEXUS_SLACK_WEBHOOK_URL | No | Ready-made slack destination webhook URL | |
| NEXUS_DISCORD_WEBHOOK_URL | No | Ready-made discord destination webhook URL | |
| NEXUS_FETCH_BLOCK_PRIVATE | No | Stop the web connector reaching localhost or your LAN | true |
| NEXUS_AUTO_APPROVE_OUTBOUND | No | Initial value of Send without asking | false |
| NEXUS_APPROVAL_TIMEOUT_SECONDS | No | Unanswered approvals are denied after this | 120 |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Server capabilities have not been inspected yet.
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
This server cannot be deployed
Maintenance
ActivityMaintained
ResponsivenessNo issues