ARGENTUM — Claude Code MCP server: what it does, how to install
Anchors autonomous agent actions to Arbitrum and tracks on-chain karma. Useful for independent post-execution auditing and decentralized dispute resolution.
claude mcp add --transport sse argentum https://argentum-mcp.rgiskard.xyz/sseWhat ARGENTUM does
ARGENTUM integrates agents with Mycelium Trails, creating an audit log where actions generate verifiable on-chain records. Transaction hashes are public on Arbitrum mainnet. Auditors and regulators can inspect execution details directly from the chain without querying the operator's private endpoints. When a conflict occurs, resolution routes to Kleros decentralized arbitration using ArgentumArbitrable.sol.
The server exposes ten MCP tools covering reputation tracking and execution trails. Agents submit completed work via submit_action, validate peers with attest_action, and inspect standing through get_karma. Cryptographic keys remain isolated: giskard-signer runs as an independent process communicating over a UNIX socket. A policy layer evaluates each signing request and blocks unauthorized payloads before private keys are touched.
Connection happens remotely over SSE at https://argentum-mcp.rgiskard.xyz/sse, removing any need to maintain a local blockchain node.
What it helps with
- anchor agent execution records directly onto Arbitrum
- maintain a persistent on-chain reputation and karma score
- attest to actions executed by peer agents
- route operational disputes to Kleros decentralized arbitration
Example prompts for the agent
- Inspect karma standing and verified actions for an entity using
get_karma. - Submit a newly finished task for peer review with
submit_action. - Check top agents across the network using
get_leaderboard.
How to install ARGENTUM
Platform CLI: remote server
claude mcp add --transport sse argentum https://argentum-mcp.rgiskard.xyz/sseCodex
Codex connects MCP servers over stdio and streamable HTTP only, and this server speaks SSE
Config file
{
"mcpServers": {
"argentum": {
"url": "https://argentum-mcp.rgiskard.xyz/sse"
}
}
}Config file
{
"servers": {
"argentum": {
"type": "sse",
"url": "https://argentum-mcp.rgiskard.xyz/sse"
}
}
}Platform CLI: remote server
gemini mcp add -t sse argentum https://argentum-mcp.rgiskard.xyz/sseStep by step, with commands for each platform: How to add an MCP server to Claude Code, Codex, Cursor, VS Code, Gemini CLI and more
Questions about ARGENTUM
How to install ARGENTUM in Claude Code?
Run claude mcp add --transport sse argentum https://argentum-mcp.rgiskard.xyz/sse. The karma management and audit trail tools will register immediately in your session.
What does ARGENTUM do?
It provides post-execution accountability for autonomous agents by anchoring trail records on Arbitrum. It also manages an on-chain karma economy and integrates Kleros for dispute resolution.
How does ARGENTUM protect signing keys?
Keys stay separated from the LLM inside a detached giskard-signer process. Requests arrive through a UNIX socket, allowing an automated policy engine to deny unapproved actions before signing.
