Brain MCP
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| BRAIN_VAULT | No | Path to the markdown vault | ./vault |
| BRAIN_EMBED_URL | No | URL of the embedding service | http://127.0.0.1:8091/embed |
| BRAIN_AGENT_LOGS | No | Path to agent logs | ./agentlogs |
| BRAIN_COLLECTION | No | Name of the Qdrant collection | brain |
| BRAIN_QDRANT_HOST | No | Qdrant host | 127.0.0.1 |
| BRAIN_QDRANT_PORT | No | Qdrant port | 6333 |
| BRAIN_DASHBOARD_PORT | No | Port for the dashboard UI | 8090 |
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
Features and capabilities supported by this server
Protocol revision2025-11-25
| 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 |
|---|---|
| brain_grepB | Exact/regex search via ripgrep. Returns file:line:match. |
| brain_searchB | Dense + BM25 prefetch, RRF fusion. Optional path_prefix narrows scope. |
| brain_readA | Read a vault file by relative path. |
| brain_batch_readA | Read up to 5 vault files in one call. |
| brain_listB | List files in the vault with depth and pattern limits. |
| brain_statsA | Collection size, disk usage, embed service health, .md count. |
| brain_writeA | Create or overwrite a vault file. Auto-reindexes. |
| brain_appendB | Append to a vault file. Auto-reindexes. |
| brain_logC | Timestamped daily log entry (YYYY-MM-DD.md). Auto-reindexes. |
| brain_lessonB | Persist a reusable lesson under knowledge/agent-lessons/. Auto-reindexes. |
| brain_task_claimC | Atomically claim a task for parallel agent coordination. |
| brain_task_releaseA | Release a task claim if you own it. |
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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