AI agents call bitbucket_list_repositories to retrieve information from Sage MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a query operation that retrieves and lists existing repositories. It has no side effects, does not modify data, does not execute code, and does not delete or move resources. The blast radius is minimal—an AI agent misusing this tool could only discover repository names and metadata already visible to the authenticated user within their workspace. This is a standard Read category operation.
From the tool's definition Tool name 'bitbucket_list_repositories' and description 'List repositories in a Bitbucket workspace' indicate a read-only query operation that retrieves repository metadata without modification.
Documented attack patterns abuse exactly the kind of access bitbucket_list_repositories gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Sage MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for bitbucket_list_repositories:
{
"version": "1",
"default": "deny",
"tools": {
"bitbucket_list_repositories": {}
}
}bitbucket_list_repositories is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List repositories in a Bitbucket workspace. It is categorised as a Read tool in the Sage MCP MCP Server, which means it retrieves data without modifying state.
Register the Sage MCP server in PolicyLayer and add a rule for bitbucket_list_repositories: 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 Sage MCP. Nothing to install.
bitbucket_list_repositories 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 bitbucket_list_repositories 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 bitbucket_list_repositories. 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.
bitbucket_list_repositories is provided by the Sage MCP server (sagemcp/sagemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 359 Sage MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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359 Sage MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.