High Risk →

url-unshorten

Follow redirect chains and return final destination URLs. Apiosk slug: url-unshorten. Cost per call: $0.0025. This tool executes the API through Apiosk's uniform /execute contract.

Accepts freeform code/query input (query)

Part of the Apiosk MCP server. Enforce policies on this tool with Intercept, the open-source MCP proxy.

apiosk-mcp-server Execute Risk 4/5

AI agents invoke url-unshorten to trigger processes or run actions in Apiosk. Execute operations can have side effects beyond the immediate call -- triggering builds, sending notifications, or starting workflows. Rate limits and argument validation are essential to prevent runaway execution.

url-unshorten can trigger processes with real-world consequences. An uncontrolled agent might start dozens of builds, send mass notifications, or kick off expensive compute jobs. Intercept enforces rate limits and validates arguments to keep execution within safe bounds.

Execute tools trigger processes. Rate-limit and validate arguments to prevent unintended side effects.

apiosk.yaml
tools:
  url-unshorten:
    rules:
      - action: allow
        rate_limit:
          max: 10
          window: 60
        validate:
          required_args: true

See the full Apiosk policy for all 160 tools.

Tool Name url-unshorten
Category Execute
MCP Server Apiosk MCP Server
Risk Level High

View all 160 tools →

Agents calling execute-class tools like url-unshorten have been implicated in these attack patterns. Read the full case and prevention policy for each:

Browse the full MCP Attack Database →

Other tools in the Execute risk category across the catalogue. The same policy patterns (rate-limit, validate) apply to each.

url-unshorten is one of the high-risk operations in Apiosk. For the full severity-focused view — only the high-risk tools with their recommended policies — see the breakdown for this server, or browse all high-risk tools across every MCP server.

What does the url-unshorten tool do? +

Follow redirect chains and return final destination URLs. Apiosk slug: url-unshorten. Cost per call: $0.0025. This tool executes the API through Apiosk's uniform /execute contract.. It is categorised as a Execute tool in the Apiosk MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on url-unshorten? +

Add a rule in your Intercept YAML policy under the tools section for url-unshorten. You can allow, deny, rate-limit, or validate arguments. Then run Intercept as a proxy in front of the Apiosk MCP server.

What risk level is url-unshorten? +

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

Can I rate-limit url-unshorten? +

Yes. Add a rate_limit block to the url-unshorten rule in your Intercept 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 url-unshorten completely? +

Set action: deny in the Intercept policy for url-unshorten. 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 url-unshorten? +

url-unshorten is provided by the Apiosk MCP server (apiosk-mcp-server). Intercept sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policies on Apiosk

Open source. One binary. Zero dependencies.

npx -y @policylayer/intercept
github.com/policylayer/intercept →
// GET IN TOUCH

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