Verifiable Credentials Python Packages

indy-vdr

A library and proxy server for interacting with Hyperledger Indy Node ledger instances

proofbundle

Receipts for AI eval results: turn a result into one signed, offline-verifiable JSON file. Proves who signed it and that nothing changed — not that it's true. Ed25519 + RFC 6962.

agntcy-identity-service-sdk

AGNTCY Identity Service serves as the central hub for managing and verifying digital identities for your Agentic Services.

heso

Open verifier for heso ActionReceipts — verify signed AI-agent action receipts offline, with heso removed from the loop — plus the heso agent-web runtime. One Rust core. No Chromium, no Node.

openbadgeslib

Production-ready Python library & CLI for Open Badges 3.0 (W3C Verifiable Credentials): issue, verify, and revoke JWT-VC credentials with Bitstring Status Lists and did:web — plus strict OB 2.0 and legacy OB 1.0.

acapy-agent

ACA-Py is a foundation for building decentralized identity applications and services running in non-mobile environments.

aries-cloudagent

ACA-Py is a foundation for building decentralized identity applications and services running in non-mobile environments.

aries-cloudcontroller

A repository for leveraging Self-Sovereign Identity in applications

agent-receipts

Agent Receipts — cryptographically signed audit trails for AI agent actions. Protocol spec, SDKs (Go, TypeScript, Python), and MCP proxy.

attestix

Attestix - Attestation Infrastructure for AI Agents. DID-based agent identity, W3C Verifiable Credentials, EU AI Act compliance layer, delegation chains, and reputation scoring. 47 MCP tools across 9 modules.

obsigna

Agent Receipts — cryptographically signed audit trails for AI agent actions. Protocol spec, SDKs (Go, TypeScript, Python), and MCP proxy.

markovian

Provenance layer for autonomous agents. COMMIT writes timestamped, ZK-verified, independently verifiable records that plug into W3C VC, A2A, MCP, and ERC-8004.

von-anchor

VON anchors

simba-sdk

Python SDK for interacting with SIMBA Ensure

heso-runtime

Open verifier for heso ActionReceipts — verify signed AI-agent action receipts offline, with heso removed from the loop — plus the heso agent-web runtime. One Rust core. No Chromium, no Node.

agent-identity-protocol

Verifiable cryptographic identity and delegation for AI agents across MCP and A2A

aip-agents

Agent Identity Protocol -- verifiable, delegable identity for AI agents across MCP and A2A. IETF Internet-Draft. PyPI: agent-identity-protocol

agent-passport-standard

Agent Passport Standard (APS) — Python SDK

x402-avm

A payments protocol for the internet. Built on HTTP. Supporting EVM, AVM and SVM.

pap-protocol

⚠️ Moved → https://gitlab.baursoftware.com/baur-software/pap

trinsic-sdk

Collection of tools that support workflows for authentic data and identity management. Libraries available in most languages.

trinsic-okapi

Trinsic okapi SDK bindings

verity-sdk

The official Python SDK for Evernym's Verity

aries-cloudagent-vsw

ACA-Py is a foundation for building decentralized identity applications and services running in non-mobile environments.