inscribe_arcane_symbol
Complete a declared magic-user Symbol and durably enchant a named surface with Death, Discord, Fear, Hopelessness, Insanity, Pain, Sleep, or Stunning. A saved character pays the required 10,000 gp automatically; an unsaved NPC caster requires explicit confirmation that the material components are...
This record as markdown: /tools/torch-to-crown/inscribe-arcane-symbol.md
What inscribe_arcane_symbol does on Torch-to-Crown
AI agents use inscribe_arcane_symbol to create or update resources in Torch-to-Crown, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Torch-to-Crown environment.
Why inscribe_arcane_symbol is rated Medium
An AI agent can call inscribe_arcane_symbol faster than any human can review: one bad instruction and it creates or modifies resources in Torch-to-Crown by the hundred, each call as confident as the last.
Attacks that exploit this kind of access
The rule that runs inscribe_arcane_symbol safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Torch-to-Crown, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For inscribe_arcane_symbol, this is the rule to start with:
inscribe_arcane_symbol 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 Torch-to-Crown, apply this rule, and every inscribe_arcane_symbol call is checked against it from then on.
Questions about inscribe_arcane_symbol
Complete a declared magic-user Symbol and durably enchant a named surface with Death, Discord, Fear, Hopelessness, Insanity, Pain, Sleep, or Stunning. A saved character pays the required 10,000 gp automatically; an unsaved NPC caster requires explicit confirmation that the material components are available. It is categorised as a Write tool in the Torch-to-Crown MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Torch-to-Crown MCP server in PolicyLayer and add a rule for inscribe_arcane_symbol: 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 Torch-to-Crown. Nothing to install.
inscribe_arcane_symbol 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 inscribe_arcane_symbol 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 inscribe_arcane_symbol. 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.
inscribe_arcane_symbol is provided by the Torch-to-Crown MCP server (Diogenes187/Torch-to-Crown). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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