set_public_session_visibility

Explicit consent toggle for public sanitized case cards. Private by default. Free

SERVERWitness Protocol SOURCEdelx/witness-protocol

Medium RISK CLASS

Category Write

Parameters 40 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/delx-witness-protocol/set-public-session-visibility.md

WHAT IT DOES

What set_public_session_visibility does on Witness Protocol

AI agents use set_public_session_visibility to create or update resources in Witness Protocol, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Witness Protocol environment.

Parameter	Type	Required	Description
`enabled`	boolean	—	true=public opt-in, false=private opt-out
`session_id`	string	—	Your active session ID
`public_alias`	string	—	Optional alias for public feed
`publish_existing_summary`	boolean	—	Optional; include current session summary in public feed

Parameters from the server's own tool schema.

RISK

Why set_public_session_visibility is rated Medium

This tool creates or modifies data access controls reversibly. While it doesn't create new data or delete anything, it changes the accessibility/publication state of existing case cards. This is a Write operation (modifies data properties) rather than Read (query-only) or Destructive (irreversible deletion).

From the tool's definition Tool explicitly modifies visibility settings ('Explicit consent toggle') of session data from private to public, allowing data state changes that affect who can access case information.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs set_public_session_visibility safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Witness Protocol, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For set_public_session_visibility, this is the rule to start with:

set_public_session_visibility Rate-limited

set_public_session_visibility 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "set_public_session_visibility": {
      "limits": [
        {
          "counter": "set_public_session_visibility_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Witness Protocol, apply this rule, and every set_public_session_visibility call is checked against it from then on.

FAQ

Questions about set_public_session_visibility

What does the set_public_session_visibility tool do? +

Explicit consent toggle for public sanitized case cards. Private by default. Free. It is categorised as a Write tool in the Witness Protocol MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does set_public_session_visibility accept? +

set_public_session_visibility accepts 4 parameters: enabled, session_id, public_alias, publish_existing_summary. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on set_public_session_visibility? +

Register the Witness Protocol MCP server in PolicyLayer and add a rule for set_public_session_visibility: 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 Witness Protocol. Nothing to install.

What risk level is set_public_session_visibility? +

set_public_session_visibility is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit set_public_session_visibility? +

Yes. Add a rate_limit block to the set_public_session_visibility 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 set_public_session_visibility completely? +

Set action: deny in the PolicyLayer policy for set_public_session_visibility. 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 set_public_session_visibility? +

set_public_session_visibility is provided by the Witness Protocol MCP server (delx/witness-protocol). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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