Yault AESP
Connects Claude to Yault's crypto vault API so agents can check balances, deposit funds, redeem shares, and transfer allocations between accounts. Every spend goes through a policy engine with per-transaction limits, rolling budgets, address allowlists, and time windows. Risky actions escalate to a human review queue instead of auto-approving. You configure it with your own Yault API key, so the agent operates your vault under your rules. Useful when you want an agent to handle routine crypto operations but need guardrails and veto power. The underlying SDK also exposes EIP-712 commitment builders and agent identity derivation if you're building custom workflows.
- tools
- 6
- auth
- Secret needed
- transport
- STDIO
- env vars
- 2
- last updated
- Mar 13, 2026
Tools
6 toolsPublic tool metadata for what this MCP can expose to an agent.
yault_check_balanceRead a wallet vault balance
Read a wallet vault balance
No parameter schema in public metadata yet.
yault_depositDeposit underlying into vault
Deposit underlying into vault
No parameter schema in public metadata yet.
yault_redeemRedeem vault shares
Redeem vault shares
No parameter schema in public metadata yet.
yault_transferTransfer vault allocation (parent to sub-account)
Transfer vault allocation (parent to sub-account)
No parameter schema in public metadata yet.
yault_check_authorizationRead operator/allowance status
Read operator/allowance status
No parameter schema in public metadata yet.
yault_get_balancesRead multi-balance breakdown
Read multi-balance breakdown
No parameter schema in public metadata yet.
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YAULT_API_KEY*secretYour Yault API key (obtain from https://yault.xyz). Format: sk-yault-*
YAULT_API_URLdefault: https://api.yault.xyzYault backend base URL
Readme
AESP - Agent Economic Sovereignty Protocol
Defining how AI agents operate economically under human sovereignty.
What Is AESP
AESP is a TypeScript SDK and MCP integration layer for agent payments under explicit human control. It is designed so that agents can execute economic actions while humans retain full economic sovereignty.
Core principles:
- Policy-gated execution -- every spend action is bounded by configurable policy rules (per-tx limits, daily/weekly/monthly budgets, address allowlists, time windows).
- Human override path -- risky actions are escalated to a review queue instead of being auto-approved.
- Verifiable commitments -- execution context can be tied to EIP-712 signed intent, enabling on-chain settlement guarantees.
- Practical integration -- MCP tools expose vault operations to AI agent frameworks; subpath exports let you import only what you need.
Install
npm install @yault/aesp
Requires Node.js >= 18.
Quick Start
Add to Claude Desktop
Add the following to your Claude Desktop config (claude_desktop_config.json):
Details
- Repository
- github.com/ya-xyz/aesp
- Website
- yault.xyz
- Categories
- AI & LLM Tools, Finance & Commerce
- Package
@yault/aesp- Transport
- STDIO
- Auth
- Required
- Registry
- MCP registry, active
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