photon_open_docs_page

THE RISK

High Risk

This tool performs a browser action (navigating the current browser tab), which is an Execute-category operation. It triggers an external operation (browser navigation) whose effects depend on the arguments provided. While the navigation target is documentation pages, the act of controlling the browser tab is an execution action, not merely reading data.

From the tool's definition Navigate the current browser tab to a Photon documentation page by route or URL

Documented attack patterns abuse exactly the kind of access photon_open_docs_page gives an agent:

HOW TO CONTROL PHOTON_OPEN_DOCS_PAGE

PolicyLayer is an MCP gateway — it sits between your AI agents and Photon MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for photon_open_docs_page:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "photon_open_docs_page": {
      "limits": [
        {
          "counter": "photon_open_docs_page_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

photon_open_docs_page stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register Photon MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RATE-LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

More Photon MCP Server tools

Write settings View or update settings Write setup Set up ${unresolved.name} — call this tool to begin. Read photon_get_current_page_summary Return the title, route, URL, and first visible paragraphs from the current Photon documen Read photon_list_docs List Photon documentation pages, optionally filtered by section such as guides, reference, Read photon_search_docs Search the Photon documentation site for pages about MCP, CLI, Beam, WebMCP, deployment, d

All 6 Photon MCP Server tools →

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Go deeper

High-risk tools in Photon MCP Server → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

What does the photon_open_docs_page tool do? +

Navigate the current browser tab to a Photon documentation page by route or URL. It is categorised as a Execute tool in the Photon MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on photon_open_docs_page? +

Register the Photon MCP Server MCP server in PolicyLayer and add a rule for photon_open_docs_page: 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 Photon MCP Server. Nothing to install.

What risk level is photon_open_docs_page? +

photon_open_docs_page is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit photon_open_docs_page? +

Yes. Add a rate_limit block to the photon_open_docs_page 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.

How do I block photon_open_docs_page completely? +

Set action: deny in the PolicyLayer policy for photon_open_docs_page. 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.

What MCP server provides photon_open_docs_page? +

photon_open_docs_page is provided by the Photon MCP Server MCP server (portel-dev/photon). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Photon MCP Server tool call.

Deterministic rules across all 6 Photon MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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Free to start. No card required.

6 Photon MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

// WHAT PHOTON_OPEN_DOCS_PAGE ON PHOTON MCP SERVER DOES

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