Caduceus Memory MCP
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| HERMES_HOME | No | Hermes-compatible memory home directory. | ~/.hermes |
| CADUCEUS_HOME | No | Primary Caduceus home override. If set, overrides HERMES_HOME. | |
| CADUCEUS_DB_PATH | No | SQLite fact store path. | $HOME/memory_store.db (under resolved home) |
| CADUCEUS_MEMORY_DIR | No | Markdown memory directory. | $HOME/memories (under resolved home) |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": false
} |
| prompts | {
"listChanged": false
} |
| resources | {
"subscribe": false,
"listChanged": false
} |
| experimental | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| memory_summaryA | Return the always-on shared memory summary. |
| memory_searchC | Search the shared memory fact store. |
| memory_listC | List recent facts from the shared memory fact store. |
| memory_addA | Add a durable fact to shared memory. Use target='user' for identity, preferences, and working style. Use target='memory' for projects, tools, paths, decisions, and setup notes. |
| memory_updateC | Update a fact by id. |
| memory_removeA | Remove a fact by id and remove the matching Markdown bullet if present. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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