sam_build · AWS Labs Timestream for InfluxDB MCP Server MCP

WHAT IT DOES

What sam_build does on AWS Labs Timestream for InfluxDB MCP Server

AI agents invoke sam_build to trigger actions in AWS Labs Timestream for InfluxDB MCP Server. 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.

THE RISK

High Risk

Why sam_build needs a policy

SAM build runs the build process for serverless applications, which involves executing arbitrary build commands, installing dependencies, and compiling code. This is a code execution operation with wide-ranging side effects depending on the build configuration and scripts invoked. Without a description, confidence is reduced but the tool name itself strongly indicates Execute category rather than Read or Write.

From the tool's definition Tool name 'sam_build' indicates AWS SAM (Serverless Application Model) build command execution. Despite empty description, SAM build is a code compilation and packaging operation that executes build scripts and external tools.

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

POLICY

How to control sam_build

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

policy.json

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

sam_build 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 AWS Labs Timestream for InfluxDB 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

Related tools and policies

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All 805 AWS Labs Timestream for InfluxDB MCP Server tools →

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Go deeper

Govern code and CI agents → Branch allowlists, approval on merges, and rate caps on the build and pipeline tools agents trigger.
High-risk tools in AWS Labs Timestream for InfluxDB 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.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →
PolicyLayer vs alternatives → How deterministic, per-call MCP policy compares with gateways, identity layers, and authorisation platforms.

FAQ

Questions about sam_build

What does the sam_build tool do? +

sam_build. It is categorised as a Execute tool in the AWS Labs Timestream for InfluxDB 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 sam_build? +

Register the AWS Labs Timestream for InfluxDB MCP Server MCP server in PolicyLayer and add a rule for sam_build: 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 AWS Labs Timestream for InfluxDB MCP Server. Nothing to install.

What risk level is sam_build? +

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

Can I rate-limit sam_build? +

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

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

sam_build is provided by the AWS Labs Timestream for InfluxDB MCP Server MCP server (awslabs.timestream-for-influxdb-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every AWS Labs Timestream for InfluxDB MCP Server tool call.

Start from AWS Labs Timestream for InfluxDB MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →

Free to start. No card required.

805 AWS Labs Timestream for InfluxDB MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.