This record as markdown: /tools/sagemcp-sagemcp/github-check-token-scopes.md
What github_check_token_scopes does on Sage MCP
AI agents call github_check_token_scopes to retrieve information from Sage MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why github_check_token_scopes is rated Low
This tool retrieves information about the OAuth token's permissions and scopes. It is a non-destructive, read-only operation that queries existing data without creating, modifying, deleting, or executing any actions. The minimal blast radius if misused is reading token scope information, which could inform an attacker of available permissions but does not directly enable access or changes.
From the tool's definition Tool name 'github_check_token_scopes' and description 'Check the current OAuth token' indicate a read-only query of token metadata/scopes without modification or execution.
Attacks that exploit this kind of access
The rule that runs github_check_token_scopes safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Sage MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For github_check_token_scopes, this is the rule to start with:
github_check_token_scopes is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Sage MCP, apply this rule, and every github_check_token_scopes call is checked against it from then on.
Questions about github_check_token_scopes
Check the current OAuth token. 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 github_check_token_scopes: 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.
github_check_token_scopes 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 github_check_token_scopes 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 github_check_token_scopes. 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.
github_check_token_scopes 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.
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