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Documentation Index

Fetch the complete documentation index at: https://docs.sigilcore.com/llms.txt

Use this file to discover all available pages before exploring further.

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AAIF Standards Alignment

The Linux Foundation’s Agentic AI Foundation (AAIF) has established critical open-source standards for how autonomous agents are built, connected, and defined. Their primary specification, AGENTS.md, acts as a public manifesto. It tells the world what an agent is capable of and how to interact with it. However, AGENTS.md is an accelerator pedal. It lacks cryptographic brakes. It dictates what an agent can do, but it cannot physically enforce what the agent cannot do.

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The Sigil Extension

The Sigil Open Framework (SOF) natively adopts the AAIF standards but introduces a mandatory Security & Execution Constraints block directly into the specification. While AAIF defines the agent’s capabilities, the Sigil extension defines its deterministic limits.

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Example: AGENTS.md with SOF Warranty Policy

When building an SOF-compliant agent, your AGENTS.md file will include standard AAIF routing, accompanied by the sigil-warranty block that maps directly to the agent’s warranty.md typed-block structure: 
name: "Alpha Yield Agent"
version: "1.0.0"
description: "Autonomous capital deployment for DeFi yield strategies."

capabilities:
  - EVM_Transaction_Generation
  - Market_Analysis
  - ERC4337_UserOp_Formatting

# --- SIGIL OPEN FRAMEWORK: WARRANTY POLICY ---
sigil-warranty:
  enforcement_layer: "Sigil Sign"
  policy_uri: "ipfs://QmYourWarrantyPolicyHashHere"
  attestation_standard: "sigil-attestations-v1"
  warranty_blocks:
    evm:
      max_transaction_eth: 5.0
      allowed_actions: ["wallet.transfer", "contract.call"]
      allowed_chains: [1, 8453, 42161, 10, 137]
      chain_actions:
        "8453": ["contract.call"]
      consensus_threshold_eth: 3.0
    tool_calls:
      allowed: ["bash", "web_fetch", "file_write"]
      bash_blocked_commands: ["rm -rf", "curl"]
    custom:
      - deny_string: "DROP TABLE"
      - deny_if: "metadata.email_to contains @competitor.com"
If the agent proposes a transaction that violates any rule in its warranty.md policy blocks, Sigil Sign intercepts the request and denies the Intent Attestation. Execution halts instantly at the cryptographic level.