get_gist
Get gist content of a particular gist, by gist ID
This record as markdown: /tools/github/get-gist.md
What get_gist does on GitHub
AI agents call get_gist to retrieve information from GitHub 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 | Description |
|---|---|---|---|
gist_id | string | — | The ID of the gist |
Parameters from the server's own tool schema.
Why get_gist is rated Low
This tool retrieves gist content by ID, which is a read-only operation with no side effects. It matches the Read category definition of retrieving or querying data. Severity is low because accessing a gist—even if it contained sensitive information—is a discovery risk rather than an immediate operational threat, and the impact depends on gist contents rather than the tool's inherent capabilities.
From the tool's definition Tool name 'get_gist' and description 'Get gist content of a particular gist, by gist ID' indicates retrieval of existing data with no modification or execution.
Attacks that exploit this kind of access
The rule that runs get_gist safely
PolicyLayer is an MCP gateway: it sits between your AI agents and GitHub, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_gist, this is the rule to start with:
get_gist 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 GitHub, apply this rule, and every get_gist call is checked against it from then on.
Questions about get_gist
Get gist content of a particular gist, by gist ID. It is categorised as a Read tool in the GitHub MCP Server, which means it retrieves data without modifying state.
get_gist accepts 1 parameter: gist_id. The full parameter table on this page comes from the server's own tool schema.
Register the GitHub MCP server in PolicyLayer and add a rule for get_gist: 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 GitHub. Nothing to install.
get_gist 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 get_gist 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 get_gist. 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.
get_gist is provided by the GitHub MCP server (oci:ghcr.io/github/github-mcp-server:1.3.0). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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