evidence_attach_file
A write tool on the AbraFlexi MCP server.
This record as markdown: /tools/abraflexi/evidence-attach-file.md
What evidence_attach_file does on AbraFlexi
AI agents use evidence_attach_file to create or update resources in AbraFlexi, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your AbraFlexi environment.
Why evidence_attach_file is rated Medium
The name 'evidence_attach_file' most directly implies a Write operation—creating or modifying a record by attaching a file. Without a description, confidence is moderate. The blast radius is medium because attachment to evidence records could have downstream effects on audit trails or legal proceedings, but the operation itself is reversible (file can typically be detached/replaced).
From the tool's definition Tool name 'evidence_attach_file' indicates attaching/uploading a file to evidence; description is empty. Sibling tools include financial operations (bank_transaction_create) and destructive operations (contact_delete), suggesting this server handles critical…
Attacks that exploit this kind of access
The rule that runs evidence_attach_file safely
PolicyLayer is an MCP gateway: it sits between your AI agents and AbraFlexi, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For evidence_attach_file, this is the rule to start with:
evidence_attach_file 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 AbraFlexi, apply this rule, and every evidence_attach_file call is checked against it from then on.
Questions about evidence_attach_file
evidence_attach_file is a write tool on the AbraFlexi MCP server. It is categorised as a Write tool in the AbraFlexi MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the AbraFlexi MCP server in PolicyLayer and add a rule for evidence_attach_file: 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 AbraFlexi. Nothing to install.
evidence_attach_file 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 evidence_attach_file 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 evidence_attach_file. 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.
evidence_attach_file is provided by the AbraFlexi MCP server (abraflexi-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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