pair_ledger_solana
Pair the host's directly-connected Ledger device for Solana signing. REQUIREMENTS: Ledger plugged into the machine running this MCP (USB, not WalletConnect), device unlocked, and the 'Solana' app open on-screen. Ledger Live's WalletConnect integration does NOT expose Solana accounts, so Solana si...
This record as markdown: /tools/io-github-szhygulin-vaultpilot-mcp/pair-ledger-solana.md
What pair_ledger_solana does on VaultPilot MCP
AI agents call pair_ledger_solana to retrieve information from VaultPilot MCP without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
accountIndex | integer | — | Ledger Solana account slot (hardened BIP-44 account index at path `44'/501'/<n>'`). 0 = first Solana account in Ledger Live, 1 = second, etc. Omit to pair the d |
Parameters from the server's own tool schema.
Why pair_ledger_solana is rated Low
The tool reads a public address from a Ledger hardware device and caches it for status reporting. It does not sign transactions, move funds, or modify any data — it only retrieves and stores the wallet address for identification purposes. Pairing itself is a read/setup operation with no financial or destructive consequences.
From the tool's definition Reads the device address at `m/44'/501'/<accountIndex>'` and caches it so `get_ledger_status` can report it under the `solana: [...]` section
Attacks that exploit this kind of access
The rule that runs pair_ledger_solana safely
PolicyLayer is an MCP gateway: it sits between your AI agents and VaultPilot MCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For pair_ledger_solana, this is the rule to start with:
pair_ledger_solana is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect VaultPilot MCP, apply this rule, and every pair_ledger_solana call is checked against it from then on.
Questions about pair_ledger_solana
Pair the host's directly-connected Ledger device for Solana signing. REQUIREMENTS: Ledger plugged into the machine running this MCP (USB, not WalletConnect), device unlocked, and the 'Solana' app open on-screen. Ledger Live's WalletConnect integration does NOT expose Solana accounts, so Solana signing goes over USB HID via @ledgerhq/hw-app-solana (same USB path as TRON). Reads the device address at m/44'/501'/<accountIndex>' (default accountIndex=0 — the first Solana account in Ledger Live) and caches it so get_ledger_status can report it under the solana: [...] section. Call multiple times with different accountIndex values to pair additional Solana accounts. Call this once per session (per account) before prepare_solana_* or send_transaction with a Solana handle. If the Solana app isn't open, the device is locked, or the derivation path doesn't match your Ledger Live setup, returns an actionable error. It is categorised as a Read tool in the VaultPilot MCP MCP Server, which means it retrieves data without modifying state.
pair_ledger_solana accepts 1 parameter: accountIndex. The full parameter table on this page comes from the server's own tool schema.
Register the VaultPilot MCP server in PolicyLayer and add a rule for pair_ledger_solana: 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 VaultPilot MCP. Nothing to install.
pair_ledger_solana 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 pair_ledger_solana 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 pair_ledger_solana. 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.
pair_ledger_solana is provided by the VaultPilot MCP server (vaultpilot-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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