Budget-capped agent wallet: pay x402 services in tANE, a free testnet token with no cash value
Connect Runs on your machine
claude mcp add 16ane -e ANE_VAULT_ADDRESS=<ANE_VAULT_ADDRESS> -e ANE_AGENT_PRIVATE_KEY=<ANE_AGENT_PRIVATE_KEY> -- npx -y @16ane/[email protected]{
"mcpServers": {
"16ane": {
"command": "npx",
"args": [
"-y",
"@16ane/[email protected]"
],
"env": {
"ANE_VAULT_ADDRESS": "<ANE_VAULT_ADDRESS>",
"ANE_AGENT_PRIVATE_KEY": "<ANE_AGENT_PRIVATE_KEY>"
}
}
}
}{
"mcpServers": {
"16ane": {
"command": "npx",
"args": [
"-y",
"@16ane/[email protected]"
],
"env": {
"ANE_VAULT_ADDRESS": "<ANE_VAULT_ADDRESS>",
"ANE_AGENT_PRIVATE_KEY": "<ANE_AGENT_PRIVATE_KEY>"
}
}
}
}{
"servers": {
"16ane": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@16ane/[email protected]"
],
"env": {
"ANE_VAULT_ADDRESS": "<ANE_VAULT_ADDRESS>",
"ANE_AGENT_PRIVATE_KEY": "<ANE_AGENT_PRIVATE_KEY>"
}
}
}
}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 |
|---|---|
ANE_VAULT_ADDRESSRequired | The vault whose owner delegated a budget to this agent (see `npx -y @16ane/mcp-server init`) |
ANE_AGENT_PRIVATE_KEYOptional, secret | The delegated agent key, never an owner key. Optional: by default the key from `init` is read |
Details
| Package | @16ane/[email protected] (NPM, stdio) |
| First published | 25 Oct 2026 |
| Last updated | 25 Oct 2026 |
| Registry name | io.github.bytesbrains/16ane |
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