mcp server
Agent Arena Registry
On-chain ERC-8004 agent registry. Search, register, and check reputation across 16 chains.
Description as published by the maintainer. Source
- version 1.0.0
- slowing
- retrieval
slowing — Registry entry last updated 2026-02-23. Dashed tags are derived by ZBS Index from the published description, not stated by the maintainer.
What this server can do
3 functions, named and described by the server itself. Parameter names are shown because they say more about what a function does than its name usually does.
get_agent_profile(agentId, chainId)- Retrieve the full profile of a specific agent by their on-chain ID. Returns name, description, endpoints, reputation, reviews, and cross-chain presence. Free endpoint. Required: chainId, agentId.
register_agent(acta, name, oasf, services, agentWallet, description, x402Support, capabilities, preferredChain)- Register a new AI agent on the Base blockchain ERC-8004 registry. Mints an on-chain identity NFT and indexes the agent for discovery. Requires $0.05 USDC payment via x402 on Base mainnet. Required: name, description.
search_agents(acta, oasf, chain, limit, query, minScore)- Search the Agent Arena registry for AI agents by capability, name, or description. Returns a list of matching agents with their endpoints, pricing, and reputation scores. Requires $0.005 USDC payment via x402 on Base mainnet. Required: query.
Last successful function declaration observed on . Source: https://agentarena.site/api/mcp. We list what the server declared; we do not call any of these functions.
Endpoint status observed on . Source: https://agentarena.site/api/mcp.
Signals
These are separate measurements of different things. They are deliberately not combined into one score, because a popularity number that mixes website traffic with saves and stars cannot be checked or acted on.
| Signal | Value | What it measures | Window | Observed | Source |
|---|---|---|---|---|---|
| Latest published version | 1.0.0 | Latest version string the maintainer published to the registry. | as of fetch | Model Context Protocol | |
| Registry record last updated | 2026-02-23 | When the registry record was last updated by its maintainer. | point in time | Model Context Protocol | |
| First listed in the MCP Registry | 2026-02-23 | Date this server was first published to the official MCP Registry. Not a usage or quality measure. | point in time | Model Context Protocol | |
| mcp tools declared | 3 tools | Number of functions the server itself declared when asked to list them. This is what the server offers an agent, not a measure of how well any of them work. | as of probe | agentarena.site | |
| mcp endpoint status | ok | The server listed 3 functions when asked. | as of probe | agentarena.site |
Where to get it
This record as data
Every field on this page, with its source and observation date, is in the catalog JSON. Fetch the whole kind at once instead of parsing this HTML.
GET /api/v1/entries/mcp_server.json