Gives coding agents persistent memory, semantic code search and shared project context, tracking decisions and lessons across sessions.
Setup
Choose your client, copy the config, then fill in any required environment variables.
Local
claude mcp add contextstream --env CONTEXTSTREAM_API_KEY='<CONTEXTSTREAM_API_KEY>' -- npx -y @contextstream/mcp-server~/.codex/config.toml
[mcp_servers.contextstream]
command = "npx"
args = ["-y", "@contextstream/mcp-server"]
env = { CONTEXTSTREAM_API_KEY = "<CONTEXTSTREAM_API_KEY>" }
# codex mcp add contextstream --env CONTEXTSTREAM_API_KEY='<CONTEXTSTREAM_API_KEY>' -- npx -y @contextstream/mcp-server~/.cursor/mcp.json
{
"mcpServers": {
"contextstream": {
"command": "npx",
"args": [
"-y",
"@contextstream/mcp-server"
],
"env": {
"CONTEXTSTREAM_API_KEY": "<CONTEXTSTREAM_API_KEY>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"contextstream": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@contextstream/mcp-server"
],
"env": {
"CONTEXTSTREAM_API_KEY": "<CONTEXTSTREAM_API_KEY>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"contextstream": {
"command": "npx",
"args": [
"-y",
"@contextstream/mcp-server"
],
"env": {
"CONTEXTSTREAM_API_KEY": "<CONTEXTSTREAM_API_KEY>"
}
}
}
}claude_desktop_config.json
{
"mcpServers": {
"contextstream": {
"command": "npx",
"args": [
"-y",
"@contextstream/mcp-server"
],
"env": {
"CONTEXTSTREAM_API_KEY": "<CONTEXTSTREAM_API_KEY>"
}
}
}
}.trae/mcp.json
{
"mcpServers": {
"contextstream": {
"command": "npx",
"args": [
"-y",
"@contextstream/mcp-server"
],
"env": {
"CONTEXTSTREAM_API_KEY": "<CONTEXTSTREAM_API_KEY>"
}
}
}
}Remote
claude mcp add --transport http contextstream 'https://mcp.contextstream.io/mcp?default_context_mode=fast&src=registry'~/.codex/config.toml
[mcp_servers.contextstream]
url = "https://mcp.contextstream.io/mcp?default_context_mode=fast&src=registry"
# codex mcp add contextstream --url 'https://mcp.contextstream.io/mcp?default_context_mode=fast&src=registry'~/.cursor/mcp.json
{
"mcpServers": {
"contextstream": {
"url": "https://mcp.contextstream.io/mcp?default_context_mode=fast&src=registry"
}
}
}.vscode/mcp.json
{
"servers": {
"contextstream": {
"type": "http",
"url": "https://mcp.contextstream.io/mcp?default_context_mode=fast&src=registry"
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"contextstream": {
"httpUrl": "https://mcp.contextstream.io/mcp?default_context_mode=fast&src=registry"
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"contextstream": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://mcp.contextstream.io/mcp?default_context_mode=fast&src=registry"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"contextstream": {
"url": "https://mcp.contextstream.io/mcp?default_context_mode=fast&src=registry"
}
}
}Environment variables
CONTEXTSTREAM_API_KEY
Replace the placeholders with your own credentials and keep them out of version control.