wallet_add_network
Add a custom network with custom API URLs.
This record as markdown: /tools/markmhendrickson-mcp-server-bitcoin/wallet-add-network.md
What wallet_add_network does on Bitcoin wallet MCP server
AI agents use wallet_add_network to create or update resources in Bitcoin wallet MCP server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Bitcoin wallet MCP server environment.
Why wallet_add_network is rated Medium
This tool modifies wallet configuration by adding custom networks and API URLs. While reversible (networks can be removed or reconfigured), the ability to inject custom API URLs into a Bitcoin wallet creates a high-severity risk: a compromised AI agent could redirect transaction communication to attacker-controlled endpoints, enabling man-in-the-middle attacks on subsequent financial operations.
From the tool's definition Tool name 'wallet_add_network' and description 'Add a custom network with custom API URLs' indicate creation/modification of network configuration data. The verb 'Add' and action of configuring custom API endpoints represent reversible data modification.
Attacks that exploit this kind of access
The rule that runs wallet_add_network safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Bitcoin wallet MCP server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For wallet_add_network, this is the rule to start with:
wallet_add_network stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Bitcoin wallet MCP server, apply this rule, and every wallet_add_network call is checked against it from then on.
Questions about wallet_add_network
Add a custom network with custom API URLs. It is categorised as a Write tool in the Bitcoin wallet MCP server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Bitcoin wallet MCP server MCP server in PolicyLayer and add a rule for wallet_add_network: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Bitcoin wallet MCP server. Nothing to install.
wallet_add_network is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the wallet_add_network rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for wallet_add_network. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
wallet_add_network is provided by the Bitcoin wallet MCP server MCP server (markmhendrickson/mcp-server-bitcoin). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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