schnorr_sign_digest
Sign a raw 32-byte digest with Schnorr (BIP-340) using the wallet
This record as markdown: /tools/io-github-aibtcdev-mcp-server/schnorr-sign-digest.md
What schnorr_sign_digest does on Aibtc
AI agents invoke schnorr_sign_digest to trigger actions in Aibtc. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call: builds kicked off, notifications sent, workflows started.
Why schnorr_sign_digest is rated High
This tool performs a cryptographic signing operation using a private key stored in a wallet. While it doesn't directly move funds, signing arbitrary digests with a wallet key is a high-risk operation — a malicious actor could use it to authorize transactions, smart contract calls, or other operations without the user's explicit intent.
From the tool's definition Sign a raw 32-byte digest with Schnorr (BIP-340) using the wallet
Attacks that exploit this kind of access
The rule that runs schnorr_sign_digest safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Aibtc, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For schnorr_sign_digest, this is the rule to start with:
schnorr_sign_digest stays usable, but rate-capped: a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Aibtc, apply this rule, and every schnorr_sign_digest call is checked against it from then on.
Questions about schnorr_sign_digest
Sign a raw 32-byte digest with Schnorr (BIP-340) using the wallet. It is categorised as a Execute tool in the Aibtc MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
Register the Aibtc MCP server in PolicyLayer and add a rule for schnorr_sign_digest: 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 Aibtc. Nothing to install.
schnorr_sign_digest is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the schnorr_sign_digest 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 schnorr_sign_digest. 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.
schnorr_sign_digest is provided by the Aibtc MCP server (aibtcdev/aibtc-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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