Read-only source search and retrieval across configured GitHub repositories
Connect Runs on your machine
claude mcp add project-brain -e PROJECT_BRAIN_REPO_LIST=<PROJECT_BRAIN_REPO_LIST> -e PROJECT_BRAIN_STATE_DIR=<PROJECT_BRAIN_STATE_DIR> -e PB_GITHUB_TOKEN=<PB_GITHUB_TOKEN> -e PB_FETCH_TTL=<PB_FETCH_TTL> -- docker run -i --rm ghcr.io/gentleelephant/project-brain:v2.0.3{
"mcpServers": {
"project-brain": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/gentleelephant/project-brain:v2.0.3"
],
"env": {
"PROJECT_BRAIN_REPO_LIST": "<PROJECT_BRAIN_REPO_LIST>",
"PROJECT_BRAIN_STATE_DIR": "<PROJECT_BRAIN_STATE_DIR>",
"PB_GITHUB_TOKEN": "<PB_GITHUB_TOKEN>",
"PB_FETCH_TTL": "<PB_FETCH_TTL>"
}
}
}
}{
"mcpServers": {
"project-brain": {
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/gentleelephant/project-brain:v2.0.3"
],
"env": {
"PROJECT_BRAIN_REPO_LIST": "<PROJECT_BRAIN_REPO_LIST>",
"PROJECT_BRAIN_STATE_DIR": "<PROJECT_BRAIN_STATE_DIR>",
"PB_GITHUB_TOKEN": "<PB_GITHUB_TOKEN>",
"PB_FETCH_TTL": "<PB_FETCH_TTL>"
}
}
}
}{
"servers": {
"project-brain": {
"type": "stdio",
"command": "docker",
"args": [
"run",
"-i",
"--rm",
"ghcr.io/gentleelephant/project-brain:v2.0.3"
],
"env": {
"PROJECT_BRAIN_REPO_LIST": "<PROJECT_BRAIN_REPO_LIST>",
"PROJECT_BRAIN_STATE_DIR": "<PROJECT_BRAIN_STATE_DIR>",
"PB_GITHUB_TOKEN": "<PB_GITHUB_TOKEN>",
"PB_FETCH_TTL": "<PB_FETCH_TTL>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
PROJECT_BRAIN_REPO_LISTRequired | Comma-separated owner/repo slugs or a path to a file with one slug per line |
PROJECT_BRAIN_STATE_DIRRequired | Writable directory for repository caches, indexes, and locks |
PB_GITHUB_TOKENOptional, secret | Optional GitHub token for private repositories |
PB_FETCH_TTLOptional | Minimum interval between on-demand repository refreshes |
Details
| Package | ghcr.io/gentleelephant/project-brain:v2.0.3 (OCI, stdio) |
| First published | 8 Aug 2026 |
| Last updated | 8 Aug 2026 |
| Registry name | io.github.Gentleelephant/project-brain |
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