update_tech_skill · Lapras MCP: Risk & Policy

WHAT IT DOES

What update_tech_skill does on Lapras

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

PARAMETERS

Parameter	Type	Required	Description
`tech_skill_list`	array	Yes	List of tech skills with experience years

Parameters from the server's own tool schema.

WHY IT NEEDS A POLICY

Why update_tech_skill needs a policy

The tool updates (modifies) user profile data regarding technical skills, certifications, and qualifications. This is a reversible Write operation—the user can later modify or delete these skills. It does not delete data (Destructive), execute arbitrary code (Execute), handle financial transactions (Financial), or trigger uncontrolled external operations.

From the tool's definition Tool name is 'update_tech_skill' and description explicitly states 'Update tech skills' on a user profile platform (lapras.com). This is a modification operation on user data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_tech_skill Rate-limited

update_tech_skill 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": {
    "update_tech_skill": {
      "limits": [
        {
          "counter": "update_tech_skill_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Lapras, so you can run agents against it safely.

FAQ

Questions about update_tech_skill

What does the update_tech_skill tool do? +

Update tech skills（経験技術・スキル・資格） on LAPRAS(https://lapras.com). It is categorised as a Write tool in the Lapras MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does update_tech_skill accept? +

update_tech_skill accepts 1 parameter: tech_skill_list. Required: tech_skill_list. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on update_tech_skill? +

Register the Lapras MCP server in PolicyLayer and add a rule for update_tech_skill: 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 Lapras. Nothing to install.

What risk level is update_tech_skill? +

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

Can I rate-limit update_tech_skill? +

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

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

update_tech_skill is provided by the Lapras MCP server (@lapras-inc/lapras-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.