Decode ASN.1 OBJECT IDENTIFIER value bytes into dotted object identifier text.
AI agents call decode_oid_value to retrieve information from PKI Studio MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a stateless transformation of input data (ASN.1 bytes) into human-readable output (OID dotted notation). It is informational only, retrieves no sensitive data from external sources, modifies nothing, executes no code or commands, and cannot delete or move resources. It fits the Read category as a data parsing utility.
From the tool's definition Tool name is 'decode_oid_value' and description states it 'Decode[s] ASN.1 OBJECT IDENTIFIER value bytes into dotted object identifier text' — a pure parsing/conversion operation with no side effects, data modification, or external impact.
Attacks that exploit this kind of access
Decode ASN.1 OBJECT IDENTIFIER value bytes into dotted object identifier text. It is categorised as a Read tool in the PKI Studio MCP MCP Server, which means it retrieves data without modifying state.
Register the PKI Studio MCP server in PolicyLayer and add a rule for decode_oid_value: 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 PKI Studio MCP. Nothing to install.
decode_oid_value 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 decode_oid_value 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 decode_oid_value. 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.
decode_oid_value is provided by the PKI Studio MCP server (pkistudio/pkistudiomcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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