gluecron_get_preview_url

Return the branch-preview URL + status for a (repo, branch) pair. Wraps branch-previews.getPreviewForBranch.

SERVERGluecron SOURCEhttps://gluecron.com/mcp

Low RISK CLASS

Category Read

Parameters 33 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/com-gluecron-gluecron/gluecron-get-preview-url.md

WHAT IT DOES

What gluecron_get_preview_url does on Gluecron

AI agents call gluecron_get_preview_url to retrieve information from Gluecron without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Parameter	Type	Required
`repo`	string	Yes
`owner`	string	Yes
`branch`	string	Yes

Parameters from the server's own tool schema.

RISK

Why gluecron_get_preview_url is rated Low

This is a straightforward read operation that queries and retrieves existing preview URL information. It has no blast radius—misuse by an AI agent would only expose a URL and status, neither of which causes harm, data loss, or unwanted side effects.

From the tool's definition Tool returns a preview URL and status for a given (repo, branch) pair. The verb 'get' and description 'return' indicate data retrieval with no side effects. No creation, modification, deletion, execution, or financial operations are implied.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs gluecron_get_preview_url safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Gluecron, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For gluecron_get_preview_url, this is the rule to start with:

gluecron_get_preview_url Allowed

gluecron_get_preview_url is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "gluecron_get_preview_url": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Gluecron, apply this rule, and every gluecron_get_preview_url call is checked against it from then on.

FAQ

Questions about gluecron_get_preview_url

What does the gluecron_get_preview_url tool do? +

Return the branch-preview URL + status for a (repo, branch) pair. Wraps branch-previews.getPreviewForBranch. It is categorised as a Read tool in the Gluecron MCP Server, which means it retrieves data without modifying state.

What parameters does gluecron_get_preview_url accept? +

gluecron_get_preview_url accepts 3 parameters: repo, owner, branch. Required: repo, owner, branch. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on gluecron_get_preview_url? +

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

What risk level is gluecron_get_preview_url? +

gluecron_get_preview_url is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit gluecron_get_preview_url? +

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

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

gluecron_get_preview_url is provided by the Gluecron MCP server (https://gluecron.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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