MCP servers and skills: search, filter by where they run, and compare.
1–24 of 90 tools for “opa”
Clear allModel Context Protocol server for Open Policy Agent (OPA). Author, validate, debug, and explain Rego policies through any MCP-compatible client.
Node.jsMIT★ 8No key
Reference implementation of chain-aware authorization for agent-to-agent (A2A) traffic, using Open Policy Agent.
GoMIT★ 1Few starsNo key
MCP server giving LLM agents real authorization answers: evaluate Rego in-process via OPA, or ask an OpenID AuthZEN 1.0 PDP
DockerMIT★ 1Few starsNo key
OPA-backed policy_engine plugin (dev.mcpg.policy.opa, v0.2 remote + embedded WASM)
MCPLink onlyFew stars
Governance control plane for AI agents — policy enforcement at the tool-call, spawn, delegate, plan, and budget layer. OPA-backed, Apache-2.0.
PythonApache-2.0★ 4Few starsNo key
Minimal, reproducible demonstration for the work "Agentic FIWARE: MCP and Guardrail Generic Enablers for Secure and Auditable Smart City Orchestration". It wires together an MCP server (FastAPI), FIWA
PythonMIT★ 4Few starsNo key
MCP Server generated by mcp.ag2.ai
MCPLink only★ 1Few stars
Duke Agent Fabric 是一个面向企业与政务场景、支持私有化部署的生产级多智能体运行平台。基于 LangChain 与 LangGraph 构建，可实现内部知识检索、公文生成与审校、会议纪要、文件比对、敏感信息扫描及 MCP 工具自动 化；内置 Redis/MySQL 分层记忆、租户/用户/Agent/会话上下文隔离、Keycloak OIDC 身份认证、OPA 策略与密级校验、敏感内
PythonApache-2.0★ 1Few starsNo key
Exploring MCP security: prompt injections, leaks, auth bypasses, OPA policies, and quirky edge cases. A playground for safe, educational, and cutting-edge model security experiments.
SkillApache-2.0Few starsNo key
Runtime security platform for LLM agent tool calls on Kubernetes
PythonApache-2.0★ 26No key
🧠 Open-source context engine that feeds AI agents with policy-compliant enterprise knowledge. MCP-native, GDPR & EU AI Act ready, self-hosted.
SkillApache-2.0★ 5No key
IBM Bob × ContextForge — a turnkey demo of the AI agent control plane: a governed MCP/A2A fintech mesh (OPA policy, PII/secret redaction, prompt-injection defense, RBAC least-privilege), provable with
SkillMIT★ 1Few starsNo key
Open source MCP Gateway written in Go. Stateless core, OPA authorization, OpenTelemetry observability, and a plugin system for extending tools. Designed for self-hosted HA deployments on Kubernetes.
SkillApache-2.0Few starsNo key
System of record for AI tool risk: inventory, policy enforcement, approvals, and audit-ready evidence.
SkillApache-2.0★ 3Few starsNo key
Runtime governance and tamper-evident audit evidence for AI agent MCP tool calls
PythonApache-2.0★ 1Few starsNo key
Runtime security & governance control plane for AI agents. Enforces per-tool authorization, OPA policy, behavioral risk scoring, blast-radius analysis, autonomy contracts, and tenant kill-switch. Ever
PythonApache-2.0★ 5No key
Inline MCP governance proxy — OPA/Rego policy enforcement, DLP scanning and prompt-injection detection on every tool call, before it executes.
PythonApache-2.0★ 1Few starsNo key
RLM (persistent Python + persistent sub-agents + continual harness) for the coding agent you already use — Claude Code, Codex, opencode
SkillApache-2.0★ 1Few starsNo key
Zero-trust gateway for AI systems. OPA policies, audit logging, authentication (OIDC/LDAP/SAML), MCP/HTTP/gRPC adapters. FastAPI + Rust extensions. Production-ready.
SkillMIT★ 1Few starsNo key
Mediate, don't classify: runtime security gateway for MCP tool calls - identity, OPA policy, credential brokering, signed provenance, audit. Reference implementation.
SkillMITFew starsNo key
Read-only MCP server for Trino: six tools, writes refused on the SQL tree, one configured Trino identity, bounded rows and time. Any MCP host, any model.
PythonApache-2.0★ 4Few starsNo key
Composable tool mesh for MCP ecosystems — server registry, capability normalization, trust policies, capability routing, and audit for agentic tool platforms.
PythonMIT★ 2Few starsNo key
MCP server giving AI coding agents (Claude Code, Cursor, Codex) a queryable source of engineering constraints — policy-as-code guardrails for AI-generated code, backed by OPA, Conftest, Checkov & Semg
PythonApache-2.0Few starsNo key
Reference implementation of the MCP authorization spec (2025-11-25) for enterprise deployments: an OAuth 2.1 gateway that brokers Microsoft Entra ID, enforces three-layer OPA policy, never passes clie
SkillMITFew starsNo key
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