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MCP servers tagged authorization
174 live MCP servers tagged "authorization", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with authorization.
Jev Agent Authorization
Jev agent authorization for MCP tool calls: Kinde identity and permissions plus Jev's typed, calibrated decisions, checked server-side before every call runs
Catraca
Provenance-aware authorisation for LLM agent tool calls. Denies a call when a consequential argument came from untrusted content. Stdlib only.
Decision Os Min
Execution governance for AI agents: signed action-bound decisions, Hosted effect mediation, replay resistance, and evidence-scoped isolation.
Capgate
Capgate — runtime authority boundary for autonomous AI agents: the agent proposes, the harness authorizes, the executor acts. Deny-by-default policy, non-transitive delegation, ta…
Obsign
Tamper-evident audit trail for AI agent actions. An MCP gateway that enforces signed Cedar policies, proves who delegated what, and emits evidence packs an auditor can verify offl…
Attenu Guard
In-process permission enforcement for AI-agent delegation chains: a sub-agent never holds more than its parent's authority, with an offline-verifiable audit ledger. Python + TypeS…
Ttp Protocol
See what your AI agents can cause, route them safely, and prove what happened. Open-source execution authority for AI agents — consequence preview, trust routing, signed receipts.
Adtp
Cryptographic identity and delegation for AI agents — UCAN chains, RESTRICT mode (structurally impossible escalation), provably-complete cascade revocation. Single Go binary. Apac…
Actiongate Jev
Runtime authorization and guardrails for AI-agent tool calls with deterministic policy and TypeSafe Jev via OpenRouter.
Legant
Open-source delegated authorization for AI agents — RFC 8693 on-behalf-of tokens, offline-verified constraints, monotonic attenuation. Single Go binary, self-hostable.
Hallpass
Multi-user auth core for MCP servers: per-user OAuth, encrypted credential vault, scope-gated tools
Authyouragent
Auth Your Agent: let AI agents act for a person on websites, with the person's approval on their phone. Take over lets the owner drive a stuck agent's browser from their phone.
Stateless Threats
Deliberately vulnerable local threat lab for Stateless MCP, Stateful Trust at MCP Dev Summit Toronto: task authorization, tenant boundaries, and cancellation evidence.
Agent Framework
🤖 Orchestrate AI agents at scale using the MCP framework, enabling seamless context sharing, communication, and integration for enhanced collaboration.
Python
Runtime authorization for AI agents — Python SDK
Leash
Keep your AI agents on a leash. API-layer policy engine for authorization, audit, and security features which includes deny-by-default, simple YAML rules, and tamper-evident logs.
Eidolon
The cryptographic authority layer for AI agents. Watch every tool call live, delegate exactly the authority you choose, and kill it mid-session — enforced by a signed, revocable c…
Agent Auth
Scoped, expiring, auditable credentials for AI agents that act on a user's behalf.
Agent Guardrail
Policy enforcement and permission testing for AI agents. Mock enterprise APIs, simulate synthetic user consent, and block unauthorized data access before deployment.
NullSec RedTeam AI
Authorization-first, MCP-governed security execution for explicitly approved environments.
Attenu Guard Ts
Attenu Guard for TypeScript — per-agent permissions on every tool call and sub-agent handoff (a sub-agent never holds more than its parent) with a hash-chained audit log verified…
Safe Hands
Asimov's Three Laws compiled to real Cedar authorization policy that acts as the runtime safety layer for AI agents which touch the physical world. Governs the real SO-101 (LeRobo…
Mandatum
Verifiable delegation for AI agents — signed chains rooted in a human sponsor, attenuating at every hop, revocable per link, and evaluated across whole action sequences.
Mia
Managed Identity for Agents. Scoped, revocable, live-checked identity and enforcement for AI agents acting on behalf of a human.
Agent Authz
Secure-by-default authorization PEP for APIs, Agent tools, RAG, and tasks
Watchlight De
Watchlight Developer Edition for Agent Runtime Governance - AI Security - AI Agent Security
Tenuo Rig Demo
Rig agent with Tenuo warrants: call-level authorization, narrowing delegation to a worker agent, and an MCP server that verifies each call
Deterministic Agent Gatekeeper
Determinism you can prove for AI agent tool calls: a pure decision core whose every verdict re-derives hash-exact from its record.
Agent Authority Check
FOXIFY deterministic authority preflight for MCP servers and AI agents: bind authority, inspect consequence, preserve evidence.
Asqav Cedar Policies
Reusable Cedar policy templates for agent action receipt verification. Interoperable with the Cedar policy engine and cedar for agents.
Awesome Agent Identity
Identity, authentication and authorization for AI agents: agent IDs, delegated OAuth, credential brokers, workload identity and policy.
Agent Passport
Open standard for verifiable AI agent identity and authority. One signed JSON file at /.well-known/agent-passport.json, keyed in DNS. Verifier, spend caps, signed receipts, CLI an…
Model Context Protocol
Connect AI models to data sources and tools using the open Model Context Protocol for Windows.
Mcpgate
Drop-in auth gateway for self-hosted MCP servers, API-key auth, per-tool allowlists, rate limiting & audit logs, with zero upstream changes. Single Go binary.
Hedwig
Built to help autonomous agents doing payments onchain
Agent Mandate
Task-bound authorization for AI agents: exact approvals, atomic limits, credential isolation, and execution receipts.
Invaris Labs Website
Website for Invaris Labs: security infrastructure for autonomous AI agents. Presents AgentSec (adversarial security testing) and AgentAuth (agent identity and delegated authorizat…
Two Key
Authorization and execution control for AI agents — independent policy and judge approval before consequential tool actions execute. MCP gateway, capability tokens, auditability,…
Spicedb MCP Server
Model Context Protocol (MCP) server for SpiceDB. Connects LLMs to SpiceDB to explore and interact with permissions systems with natural language. Generated (mostly) by Claude 3.7…
Gif
Governance runtime for AI tool invocation. Enforces persona scope and combination policies at the MCP layer; INSERT-only audit trail.
Cedar MCP Server
MCP server for Cedar policy language - validate, authorize, diff, and plan policy changes for Amazon Verified Permissions from your AI assistant.
WorkOS
WorkOS — independent third-party profile of a public API surface, by API Evangelist. WorkOS is the "Enterprise Ready" identity platform for B2B SaaS — providing AuthKit user manag…
Foundgine
Foundgine is a semantic execution runtime for .NET. It lets applications expose capabilities as structured intent rather than exposing persistence APIs directly, then resolves aut…
Access Pilot
Uma solução inteligente, integrada e segura para controlar acessos, gerenciar permissões e monitorar atividades em tempo real.
Willow MCP
Agent-neutral MCP server with persistent memory (SOIL + Postgres KB) and a sandboxed task queue. Manifest-based ACL; works with any stdio MCP client.
Shark Security Lab
Reference MCP security lab: toxic tool metadata, multi-server mcp.json harness for static scan, localhost AAuth fixtures, YARA (OWASP Agentic ASI01–ASI10). Stress-test MCPShark an…
MCPAuthKit
OAuth 2.1 for MCP servers in one Cloudflare Worker. RFC 9728 + 8414 + 7591, PKCE, dynamic client registration, consent UI, multi-tenant. Deploy in 5 minutes.
Csc Agent Guard V1
Deterministic pre-execution safety gate for AI agents: verify tool calls against trusted evidence, policies, and WorldState before side effects.
Issa
Issa — Intelligence Server-Side Agent. Issa: An open-source Action-Control Gateway to stop AI agents from executing unauthorized side-effects.
Agent Sudo
Authorization, delegation, provenance, and verifiable-audit engine for AI agents. MCP adapter published.