Haldir v0.1.0 — The Guardian Layer for AI Agents

What's included

Gate — Agent Identity & Auth

• Scoped sessions with permissions and spend limits
• Permission checking on every tool call
• Session revocation

Vault — Encrypted Secrets & Payments

• AES-encrypted secret storage
• Session-scoped access control
• Payment authorization with budget enforcement

Watch — Audit Trail & Compliance

• Immutable audit log for every action
• Anomaly detection
• Cost tracking and spend reports
• Compliance export

Proxy — Enforcement Layer

• Intercepts every MCP tool call
• Policy enforcement: allow/deny lists, spend limits, rate limits, time windows
• Automatic tool discovery from upstream MCP servers

Approvals — Human-in-the-Loop

• Pause agent execution for human review
• Auto-rules: spend_over, tool_blocked, destructive
• Webhook notifications

Infrastructure

• 28+ REST API endpoints
• 10 MCP tools (98/100 on Smithery)
• Python SDK (sync + async)
• Multi-tenant isolation
• Postgres support
• Rate limiting
• Usage tracking
• Dashboard UI
• API docs

Install

pip install haldir

Links

• Live: https://haldir.xyz
• Docs: https://haldir.xyz/docs
• OpenAPI: https://haldir.xyz/openapi.json
• Smithery: https://smithery.ai/server/haldir/haldir
• PyPI: https://pypi.org/project/haldir/