In its default stateful mode the V8 heap is saved as a content-addressed snapshot, so an agent can build up state across many turns. Host capabilities (network, filesystem, subprocess, WebAssembly, module imports, and…
Mcp-v8 source profile. From the maintainer documentation: “In its default stateful mode the V8 heap is saved as a content-addressed snapshot, so an agent can build up state across many turns. Host capabilities (network, filesystem, subprocess, WebAssembly, module imports, and calls to other MCP servers) are all off by default and unlocked only by explicit OPA/Rego policies.”
The project provides a local client configuration using mcp-v8. Follow the repository’s build and installation steps before copying it, and replace example paths with the paths on your own computer.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| run_js | both |
| get_execution | stateful |
| get_execution_output | stateful |
| cancel_execution | stateful |
| list_executions | stateful |
{
"mcpServers": {
"js": {
"command": "mcp-v8",
"args": [
"--stateless"
]
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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