start_process
Start a new Process execution against a card. Resolves the process by ID or display name and creates an active Execution at the first workflow state (lowest rank). The Huly server
This record as markdown: /tools/dugynoo-huly-mcp/start-process.md
What start_process does on Huly
AI agents invoke start_process to trigger actions in Huly. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.
Why start_process is rated High
This tool executes a workflow process against a card, initiating a series of automated operations whose side effects are determined by the process definition and card state. While not immediately destructive, it represents a trigger for external automation that could have significant downstream consequences (notifications, state changes, further automations).
From the tool's definition Tool name 'start_process' and description states it 'Start a new Process execution' and 'creates an active Execution' — this triggers external workflow operations whose effects depend on which process is invoked and the card context.
Attacks that exploit this kind of access
The rule that runs start_process safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Huly, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For start_process, this is the rule to start with:
start_process 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Huly, apply this rule, and every start_process call is checked against it from then on.
Questions about start_process
Start a new Process execution against a card. Resolves the process by ID or display name and creates an active Execution at the first workflow state (lowest rank). The Huly server. It is categorised as a Execute tool in the Huly MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Huly MCP server in PolicyLayer and add a rule for start_process: 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 Huly. Nothing to install.
start_process is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the start_process 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 start_process. 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.
start_process is provided by the Huly MCP server (dugynoo/huly-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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