Shared memory MCP server for multi-agent projects. Agents (Claude, Cursor, Codex, AntiGravity) write to a local `.agent-mem/` folder so the next agent picks up where the last one died.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add on-board --env AGENT_PROJECT_DIR='<AGENT_PROJECT_DIR>' -- uvx onboard-memory-mcp~/.codex/config.toml
[mcp_servers.on-board]
command = "uvx"
args = ["onboard-memory-mcp"]
env = { AGENT_PROJECT_DIR = "<AGENT_PROJECT_DIR>" }
# codex mcp add on-board --env AGENT_PROJECT_DIR='<AGENT_PROJECT_DIR>' -- uvx onboard-memory-mcp~/.cursor/mcp.json
{
"mcpServers": {
"on-board": {
"command": "uvx",
"args": [
"onboard-memory-mcp"
],
"env": {
"AGENT_PROJECT_DIR": "<AGENT_PROJECT_DIR>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"on-board": {
"type": "stdio",
"command": "uvx",
"args": [
"onboard-memory-mcp"
],
"env": {
"AGENT_PROJECT_DIR": "<AGENT_PROJECT_DIR>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"on-board": {
"command": "uvx",
"args": [
"onboard-memory-mcp"
],
"env": {
"AGENT_PROJECT_DIR": "<AGENT_PROJECT_DIR>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"on-board": {
"command": "uvx",
"args": [
"onboard-memory-mcp"
],
"env": {
"AGENT_PROJECT_DIR": "<AGENT_PROJECT_DIR>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"on-board": {
"command": "uvx",
"args": [
"onboard-memory-mcp"
],
"env": {
"AGENT_PROJECT_DIR": "<AGENT_PROJECT_DIR>"
}
}
}
}Environment variables
AGENT_PROJECT_DIR
Replace the placeholders with your own credentials and keep them out of version control.