// MCP TOOL REFERENCE

AGENT0 TOOLS

34 tools from the Agent0 MCP Server, categorised by risk level.

View the Agent0 policy → Token cost: 4,689 tokens →

// ALL 34 AGENT0 TOOLS

READ 26 tools

Read a2a_get_task Get details of a specific A2A task including messages and artifacts. Read a2a_list_tasks List A2A tasks/conversations with a specific agent. Returns task IDs, statuses, and summaries. Read a2a_query_task Query an A2A task to get its current status, messages, and artifacts. Optionally limit how much conversatio... Read append_feedback_response Append an owner response to existing feedback. Only the agent owner can respond. Requires configured wallet... Read get_agent Get detailed information about a specific ERC-8004 agent by its ID (format: chainId:tokenId, e.g. '11155111... Read get_agent_owner Get the current owner address of an ERC-8004 agent. Returns the wallet address that owns the agent NFT. Read get_auth_status Check if a wallet is configured for write operations. Shows key source, chain ID, and whether the SDK is in... Read get_derivation_message Get the message that must be signed with your wallet to derive an ERC-8004 agent key. Sign this message wit... Read get_feedback Get a specific feedback entry for an agent by reviewer address and feedback index. Returns the full feedbac... Read get_platform_stats Get aggregate statistics about the ERC-8004 agent ecosystem on a specific chain. Returns total agents, acti... Read get_registries Get the ERC-8004 registry contract addresses for a specific chain. Returns identity, reputation, and valida... Read get_reputation_summary Get reputation summary (feedback count and average value) for a specific agent. Optionally filter by tag. R... Read get_supported_chains List all blockchain networks that support ERC-8004 agent registration. Returns chain IDs, names, registry c... Read get_wallet_balance Check the derived wallet's ETH and USDC balance on a specific chain. Defaults to Base mainnet (8453). Retur... Read give_feedback Submit on-chain feedback/review for an ERC-8004 agent. Requires configured wallet. Creates a permanent, ver... Read is_agent_owner Check if a specific address (or the configured wallet) owns an ERC-8004 agent. If no address is provided, c... Read kfdb_ecosystem_stats Get aggregate statistics about the ERC-8004 agent ecosystem from KFDB. Returns total agents, feedback entri... Read kfdb_feedback_analysis Analyze feedback/reputation for a specific ERC-8004 agent from KFDB. Returns individual feedback entries wi... Read kfdb_find_similar Find agents similar to a given agent or description using KFDB semantic search. Provide either an agent_id ... Read kfdb_get_agent_details Get rich details about a specific ERC-8004 agent from the KFDB knowledge graph. Returns full profile with d... Read kfdb_search_agents Search 133K+ ERC-8004 agents indexed in KFDB by name, description, or chain. Uses semantic search when avai... Read load_agent Load a full agent object by ID with updatable methods. Returns the complete agent data including metadata, ... Read rpc_call Make a raw JSON-RPC call to any supported chain. Supports standard Ethereum JSON-RPC methods like eth_call,... Read search_agents Search for ERC-8004 registered AI agents by name, capabilities, tools, skills, or reputation. Returns agent... Read search_feedback Search feedback/reviews for agents. Can search by agent ID, reviewer wallet, tags, or across multiple agent... Read x402_request Make an HTTP request with built-in x402 payment handling. If the server returns 402 Payment Required, inspe...

WRITE 5 tools

Write a2a_send_message Send a message to an ERC-8004 agent via the A2A (Agent-to-Agent) protocol. The agent must have an A2A endpo... Write a2a_task_message Send a follow-up message to an existing A2A task. Continues the conversation within the task context. Write configure_wallet Configure wallet for ERC-8004 write operations (register, feedback, etc.). Provide a wallet signature for k... Write register_agent Register a new AI agent on-chain via ERC-8004. Requires configured wallet. Creates the agent with name, des... Write update_agent Update an existing agent's properties (description, endpoints, metadata). Requires configured wallet and ag...

DESTRUCTIVE 2 tools

Destructive a2a_cancel_task Cancel an in-progress A2A task. Requires configured wallet. Destructive revoke_feedback Revoke previously submitted feedback. Only the original reviewer can revoke. Requires configured wallet.

FINANCIAL 1 tools

Financial transfer_agent Transfer ownership of an ERC-8004 agent NFT to a new address. Requires configured wallet and agent ownershi...

// RUNNING THIS SERVER

The managed route: connect Agent0 through the PolicyLayer gateway — every tool call above is checked against your policy before it runs, with a full audit log.

DIRECT INSTALL (UNMANAGED) npx -y @rickydata/agent0-mcp

// FAQ

How many tools does the Agent0 MCP server have? +

The Agent0 MCP server exposes 34 tools across 4 categories: Read, Write, Destructive, Financial.

How do I enforce policies on Agent0 tools? +

Route the Agent0 server through the PolicyLayer gateway. Define allow, deny, or approval rules per tool in the dashboard — they are enforced on every call before it reaches the server.

What risk categories do Agent0 tools fall into? +

Agent0 tools are categorised as Read (26), Write (5), Destructive (2), Financial (1). Each category has a recommended default policy.

Let agents act without letting them run wild.

Route your MCP servers through PolicyLayer and every tool call is checked against your policy before it runs — allow, deny, or require approval. Per-identity grants. Full audit log. Live in minutes.

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