Check if a GitHub issue is still available — no one has claimed
AI agents call opencollab_check_issue_availability to retrieve information from OpenCollab MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries the state of a GitHub issue without creating, modifying, deleting, or executing any operations. It is a pure read operation that returns availability status, analogous to a 'get' or 'fetch' call. No side effects, no state changes, and no external operations are triggered. Low severity because misuse would only result in reading incorrect availability data without consequence.
From the tool's definition Tool performs a status check on GitHub issues to determine availability; described as checking 'if a GitHub issue is still available' with no modification or execution capabilities.
Attacks that exploit this kind of access
Check if a GitHub issue is still available — no one has claimed. It is categorised as a Read tool in the OpenCollab MCP MCP Server, which means it retrieves data without modifying state.
Register the OpenCollab MCP server in PolicyLayer and add a rule for opencollab_check_issue_availability: 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 OpenCollab MCP. Nothing to install.
opencollab_check_issue_availability is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the opencollab_check_issue_availability 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 opencollab_check_issue_availability. 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.
opencollab_check_issue_availability is provided by the OpenCollab MCP server (prakhar1605/Opencollab-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
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