AstraCipher is the open-source SDK that gives every AI agent a verifiable, quantum-safe identity — built on W3C DIDs, verifiable credentials, and NIST post-quantum cryptography.
npm install @astracipher/core @astracipher/crypto
Built on open standards & NIST-finalized cryptography
OWASP, NIST, and industry data all point to the same conclusion: AI agent identity is the #1 unsolved security problem of 2026.
3 million AI agents are active in the US and UK alone, with 1.5 million running without any oversight. They authenticate with API keys and bearer tokens — credentials designed for humans, not autonomous systems.
AstraCipher gives every AI agent a cryptographic identity — a W3C DID with post-quantum keys and verifiable credentials that define exactly what it can do, and who authorized it.
Whether you are writing your first agent or securing thousands in production
Building multi-agent systems on MCP, A2A, LangChain, or CrewAI? Add verifiable identity in minutes with TypeScript or Python SDKs. Your agents prove who they are without a centralized auth server.
Get cryptographic audit trails, trust chain enforcement, and least-privilege scoping for every agent. Trace every action back to a verified DID. Solve the non-human identity problem OWASP is warning about.
Financial services, healthcare, and government teams need traceable AI. AstraCipher's compliance engine maps agent activity to EU AI Act, DPDP, SEBI CSCRF, SOC 2, HIPAA, and GDPR requirements.
An open-source identity stack purpose-built for autonomous AI — from cryptographic primitives to compliance reporting
Hybrid ML-DSA-65 + ECDSA P-256 signatures. ML-KEM-768 key encapsulation. Future-proof against quantum attacks while maintaining backward compatibility with classical systems today.
Open SourceEvery agent gets a globally unique DID with multiple verification methods. Resolve, verify, and rotate keys without centralized registries.
Open SourceIssue signed credentials that define capabilities, permissions, and trust levels. Verify instantly without contacting the issuer.
Open SourceCreator → Authorizer → Agent → Sub-agent. Delegate authority with depth limits and capability intersection.
Open SourceDPDP Act, SEBI CSCRF, EU AI Act, SOC 2, HIPAA, GDPR, NIST RMF, ISO 42001, and more. Auto-generate audit-ready compliance reports from agent activity. Available as part of the AstraCipher Platform.
Platform · PremiumCryptographically signed, append-only audit logs. Every agent action is traceable to a DID. Tamper-evident chain hashing.
Open SourceManage agent identities, view audit analytics, export compliance reports, and configure team permissions from a centralized dashboard.
Platform · PremiumThree lines of code to give your agent a cryptographic identity
import { AstraCipher } from '@astracipher/core';
const ap = new AstraCipher({ network: 'testnet' });
// Create a post-quantum secured agent identity
const { did, didId } = await ap.createAgent({
name: 'my-trading-agent',
description: 'Automated trading agent for equities',
});
console.log(didId);
// did:astracipher:testnet:a1b2c3d4e5f6...
Real post-quantum cryptography running client-side. No server, no sign-up. Click each step to see AstraCipher in action.
Click Generate Identity to create a post-quantum agent identity using ML-DSA-65 + ECDSA P-256 hybrid keys.
All cryptography runs in your browser using @noble/post-quantum and @noble/curves. Nothing is sent to any server.
MCP has 97M monthly SDK downloads but no built-in agent identity. A2A connects agents but trusts you to handle auth. AstraCipher is that missing layer.
Expose AstraCipher identity operations as MCP tools. Any Claude, GPT, or MCP-compatible agent can create identities and verify credentials.
npx @astracipher/mcp-server
Full Agent-to-Agent protocol implementation. Agent Card discovery at /.well-known/agent-card.json enriched with DID and trust metadata.
import { A2AServer } from '@astracipher/a2a-adapter'
Async Python client with Pydantic models. Create agents, verify credentials, query audit trails. Full type hints and async support.
pip install astracipher
Command-line interface for DevOps workflows. Create agents, resolve DIDs, issue credentials from CI/CD pipelines.
npx @astracipher/cli create --name my-agent
Start building with the free, open-source SDK. When you need managed infrastructure, compliance, or dedicated support — talk to us.
npm install @astracipher/core @astracipher/crypto
import { AstraCipher } from '@astracipher/core';
const ap = new AstraCipher({ network: 'testnet' });
const { didId } = await ap.createAgent({ name: 'my-agent' });
const cred = await ap.issueCredential({
subjectDID: didId,
capabilities: ['data:read'],
trustLevel: 7,
});
const { valid } = await ap.verifyCredential(cred);
Start free with the open-source SDK. Deploy post-quantum agent identity in minutes, not months.