Commit all queued writes for a repository in a single GitHub commit. Call queue_write first to add files to the queue.
AI agents use flush_queue to create or update resources in Gitbridge — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Gitbridge environment.
flush_queue performs a commit operation that applies multiple file modifications to a repository. While commits are visible and theoretically reversible (via git revert), the immediate effect is to permanently record changes in the repository's history in a way that affects all users and CI/CD pipelines.
From the tool's definition Tool description states 'Commit all queued writes for a repository in a single GitHub commit.' The verb 'commit' and context of 'queued writes' indicate the tool creates/modifies data in a GitHub repository by applying accumulated file changes.
Documented attack patterns abuse exactly the kind of access flush_queue gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Gitbridge, and nothing reaches the server without passing your rules. This is the rule we recommend for flush_queue:
{
"version": "1",
"default": "deny",
"tools": {
"flush_queue": {
"limits": [
{
"counter": "flush_queue_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}flush_queue stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
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Commit all queued writes for a repository in a single GitHub commit. Call queue_write first to add files to the queue. It is categorised as a Write tool in the Gitbridge MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Gitbridge MCP server in PolicyLayer and add a rule for flush_queue: 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 Gitbridge. Nothing to install.
flush_queue is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the flush_queue 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 flush_queue. 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.
flush_queue is provided by the Gitbridge MCP server (iotus/gitbridge-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Gitbridge, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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16 Gitbridge tools catalogued and risk-classified — across an index of 43,000+ MCP servers.