mittwald_context_set_session
Set user context in Redis session (session-aware, multi-tenant safe)
This record as markdown: /tools/mittwald-mcp-server/mittwald-context-set-session.md
What mittwald_context_set_session does on Mittwald MCP Server
AI agents use mittwald_context_set_session to create or update resources in Mittwald MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mittwald MCP Server environment.
Why mittwald_context_set_session is rated Medium
This tool modifies session state in Redis rather than merely retrieving it. While not destructive (changes are reversible), it creates or updates session context data. The description explicitly mentions 'Set' and 'session' which indicates Write operations.
From the tool's definition Tool description states 'Set user context in Redis session' which modifies session data. The sibling tools include create/update operations (mittwald_app_create_node, mittwald_app_create_php, mittwald_app_dependency_update) indicating a Write-oriented…
Attacks that exploit this kind of access
The rule that runs mittwald_context_set_session safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Mittwald MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For mittwald_context_set_session, this is the rule to start with:
mittwald_context_set_session 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 Mittwald MCP Server, apply this rule, and every mittwald_context_set_session call is checked against it from then on.
Questions about mittwald_context_set_session
Set user context in Redis session (session-aware, multi-tenant safe). It is categorised as a Write tool in the Mittwald MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Mittwald MCP Server MCP server in PolicyLayer and add a rule for mittwald_context_set_session: 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 Mittwald MCP Server. Nothing to install.
mittwald_context_set_session 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 mittwald_context_set_session 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 mittwald_context_set_session. 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.
mittwald_context_set_session is provided by the Mittwald MCP Server MCP server (mittwald/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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