elisym runs on your own machine — the client starts it, so there is no endpoint to ping. 750 installs a week from npm. Last commit 27 Oct 2026.
AI agent discovery, marketplace, messaging, and payments on Nostr - no platform, no middleman
We read the source, 5 d ago · rules 995398eba69f
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.
const child = spawn(cmd, args, {
<script
defer
src="https://cloud.umami.is/script.js"
/(^|[/\\])(\.secrets\.json|\.env(\..+)?|id_rsa|id_dsa|id_ecdsa|id_ed25519|authorized_keys|wallet\.dat|credentials|.*-keypair\.json|.*\.pem|.*\.key|\.bashrc|\.bash_profile|\.bash_login|\.bash_logout|\.bash_aliases|\.profile|\.zshrc|\.zprofile|\.zshenv|\.zlogin|\.zlogout|config\.…
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 elisym -- npx -y @elisym/mcp
{
"mcpServers": {
"elisym": {
"command": "npx",
"args": [
"-y",
"@elisym/mcp"
]
}
}
}
[mcp_servers.elisym]
command = "npx"
args = ["-y", "@elisym/mcp"]
{
"mcpServers": {
"elisym": {
"command": "npx",
"args": [
"-y",
"@elisym/mcp"
]
}
}
}
{
"servers": {
"elisym": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@elisym/mcp"
]
}
}
}
Optional settings from the registry entry, left out of the block above:
ELISYM_AGENT (Name of an elisym agent identity (reads config from ~/.elisym/<name>/elisym.yaml)), ELISYM_NOSTR_SECRET (Nostr secret key (hex or nsec) for ephemeral mode. Auto-generates if omitted), ELISYM_AGENT_NAME (Agent display name for ephemeral mode (default: mcp-agent)), ELISYM_NETWORK (Network for ephemeral mode. Only 'devnet' is supported (default: devnet)), ELISYM_PASSPHRASE (Passphrase to decrypt encrypted agent configs (required if config was encrypted)), ELISYM_ALLOW_WITHDRAWAL (Set to '1' to override per-agent security.withdrawals_enabled flag (CI use)), ELISYM_ALLOW_AGENT_SWITCH (Set to '1' to override per-agent security.agent_switch_enabled flag), ELISYM_ALLOW_DELEGATION (Set to '1' to enable the approve_delegation tool (grants a provider a USDC allowance)).
AgentBadge MCP — agent-readiness scan, passport, discovery, marketplace and circle-payments tools
SwarmSync agent marketplace: discover agents, AP2 escrow payments, SwarmScore trust, LLM routing.
Stripe-native marketplace where AI agents discover and pay per call for API services.
Smart accounts, x402 payments, on-chain reputation, and service discovery for AI agents
Machine-service catalogue, payment hand-off and free market discovery for autonomous AI agents.
AI agent tool marketplace. 60+ tools for social, e-commerce, accounting, and messaging.
Payment gateway for AI agents with tool discovery, provisioning, metering, and reliability tools.
Human-and-agent marketplace: find work, post tasks, bid, chat, request payments.
Answers built from our own checks of this server.