Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| CLAUDE_SESSION_ID | No | Explicit session ID | |
| CLAUDE_PROJECTS_DIR | No | Override projects directory | ~/.claude/projects |
| CLAUDE_CHECKPOINTS_DIR | No | Override checkpoints directory | ~/.claude/checkpoints |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| checkpoint_context | Save your current context state as a named checkpoint. Use this when you're well-oriented and want to be able to return to this mental state later. Good moments to checkpoint:
The checkpoint captures your entire conversation history up to this point. |
| reset_to_checkpoint | Reset your context back to a saved checkpoint, injecting a handoff message to your future self. The message_to_self will appear as if you wrote it just before the reset. Use it to brief your future self on:
After calling this, your context will be restored to the checkpoint state plus your handoff message. |
| list_checkpoints | List all available checkpoints for the current session. Shows when each was created and any notes attached. |
| get_context_stats | Get statistics about your current context window health. Returns:
Use this to decide when you might want to checkpoint or reset. |
| delete_checkpoint | Delete a checkpoint you no longer need. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |