Set the symbol on a specific pane by index
AI agents use pane_set_symbol to create or update resources in TradingView MCP Bridge — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your TradingView MCP Bridge environment.
This tool writes/modifies the TradingView chart configuration by updating the symbol shown in a specific pane. It is reversible (the symbol can be changed back), so it falls under Write rather than Destructive. Misuse could cause an AI agent to inadvertently change the chart view, disrupting analysis workflows, but has no financial or system-level impact.
From the tool's definition 'Set the symbol on a specific pane by index' — modifies the chart state by changing which symbol is displayed on a pane
Documented attack patterns abuse exactly the kind of access pane_set_symbol gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and TradingView MCP Bridge, and nothing reaches the server without passing your rules. This is the rule we recommend for pane_set_symbol:
{
"version": "1",
"default": "deny",
"tools": {
"pane_set_symbol": {
"limits": [
{
"counter": "pane_set_symbol_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}pane_set_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.
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Set the symbol on a specific pane by index. It is categorised as a Write tool in the TradingView MCP Bridge MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the TradingView MCP Bridge MCP server in PolicyLayer and add a rule for pane_set_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 TradingView MCP Bridge. Nothing to install.
pane_set_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 pane_set_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 pane_set_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.
pane_set_symbol is provided by the TradingView MCP Bridge MCP server (tradesdontlie/tradingview-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 78 TradingView MCP Bridge tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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78 TradingView MCP Bridge tools catalogued and risk-classified — across an index of 42,500+ MCP servers.