Ccs MCP Server runs on your own machine — the client starts it, so there is no endpoint to ping. 1 044 installs a week from npm. Last commit 10 Sep 2026.
Runtime verification for agent tool calls: Ed25519 signed receipts, fail-closed RCE/SSRF checks.
Today is the operative word: we check Ccs MCP Server every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
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 ccs-mcp-server -- npx -y ccs-mcp-server
{
"mcpServers": {
"ccs-mcp-server": {
"args": [
"-y",
"ccs-mcp-server"
],
"command": "npx"
}
}
}
[mcp_servers.ccs-mcp-server]
command = "npx"
args = ["-y", "ccs-mcp-server"]
{
"mcpServers": {
"ccs-mcp-server": {
"args": [
"-y",
"ccs-mcp-server"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"ccs-mcp-server": {
"args": [
"-y",
"ccs-mcp-server"
],
"command": "npx"
}
}
}
Runtime verification MCP server: fail-closed checks for agent tool calls, signed evidence receipts.
Fail-closed Cedar policy gate + Ed25519 signed receipts for agent tool calls. Denies on any error.
Issue & verify signed (ed25519), hash-chained, timestamped provenance receipts for agent actions.
Independent effect verification and signed receipts for consequential AI agent actions.
Ed25519-signed receipts for every AI agent action. Local-first, verifiable, no server required.
Fair-price checks, leaderboards, and Ed25519 receipt verification for x402/MPP services.
Counter-signed evidence records for agent commerce: receipts, verification, dispute envelopes.
Fail-closed verify-before-you-act gate for AI agents. Signed receipts. Pay-per-call via x402.
Answers built from our own checks of this server.