link_task_to_commit
Link a git commit SHA to a task. Creates an audit trail: task → commits. Upserts on same task+sha.
This record as markdown: /tools/todos/link-task-to-commit.md
What link_task_to_commit does on Todos
AI agents use link_task_to_commit to create or update resources in Todos, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Todos environment.
Why link_task_to_commit is rated Medium
This tool creates or modifies relational data (task-to-commit associations) in a reversible manner. The operation is described as creating an 'audit trail' and performing upserts (update or insert), which are Write operations. While it involves version control metadata, it does not destructively delete data, execute code, move funds, or trigger external processes.
From the tool's definition Link a git commit SHA to a task. Creates an audit trail: task → commits. Upserts on same task+sha.
Attacks that exploit this kind of access
The rule that runs link_task_to_commit safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Todos, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For link_task_to_commit, this is the rule to start with:
link_task_to_commit 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Todos, apply this rule, and every link_task_to_commit call is checked against it from then on.
Questions about link_task_to_commit
Link a git commit SHA to a task. Creates an audit trail: task → commits. Upserts on same task+sha. It is categorised as a Write tool in the Todos MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Todos MCP server in PolicyLayer and add a rule for link_task_to_commit: 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 Todos. Nothing to install.
link_task_to_commit 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 link_task_to_commit 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 link_task_to_commit. 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.
link_task_to_commit is provided by the Todos MCP server (@hasna/todos). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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