agent-custody runs on your own machine — the client starts it, so there is no endpoint to ping. 394 installs a week from npm. Last commit 15 Oct 2026.
MCP gateway that checks each agent tool call against a signed grant and policy, and signs a receipt
We read the source, 20 h ago · rules ccca72095570
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
"payload": "eyJfdHlwZSI6Imh0dHBzOi8vaW4tdG90by5pby9TdGF0ZW1lbnQvdjEiLCJwcmVkaWNhdGUiOnsiYWdlbnQiOnsiaWQiOiJjbGF1ZGUtY29kZSIsInByb3ZlbmFuY2UiOiJjbGFpbWVkIn0sImV4ZWN1dGlvbiI6eyJwcm92ZW5hbmNlIjoiY2xhaW1lZCIsInJlYXNvbiI6InBvbGljeTEiLCJzdGF0dXMiOiJkZW5pZWQifSwiZmFjdHMiOnt9LCJpc3N1…
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add agent-custody -- npx -y @agent-custody/receipts
{
"mcpServers": {
"agent-custody": {
"args": [
"-y",
"@agent-custody/receipts"
],
"command": "npx"
}
}
}
[mcp_servers.agent-custody]
command = "npx"
args = ["-y", "@agent-custody/receipts"]
{
"mcpServers": {
"agent-custody": {
"args": [
"-y",
"@agent-custody/receipts"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"agent-custody": {
"args": [
"-y",
"@agent-custody/receipts"
],
"command": "npx"
}
}
}
Signed receipts and Cedar policies for AI agent tool calls. Claude Code hooks, MCP gateway.
Governed MCP gateway: policy gate on every tool call, hash-chained DSSE receipt on every result.
MCP proxy that checks every tools/call against Agent Trust policy, with evidence, before it runs.
Policy-gated x402 MCP for agent workflows with TEE receipts, 18 tools, and no custody.
Fail-closed Cedar policy gate + Ed25519 signed receipts for agent tool calls. Denies on any error.
MCP gateway with runtime security policy, tool-call-level control, and audit of agent actions.
Policy proxy for MCP tool calls. A denied call never reaches the downstream server.
Policy-gated agent spend with signed receipts and rail-extract audit
Answers built from our own checks of this server.