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"YAML" matching MCP servers:

  • jamjet-policy by jamjet-labs

    jamjet-policyofficial

    jamjet-labs
    A
    license
    A
    quality
    B
    maintenance
    Drop-in stdio interceptor that gates MCP tools/call requests through a YAML policy (block / require_approval / audit / budget cap) before they reach the real server. The same policy file is reused by @jamjet/claude-code-hook and @jamjet/openai-guardrail, so one rule set covers Claude Desktop, Cursor, OpenAI Agents, and custom clients.
    Last updated
    3
    2
    Apache 2.0

  • mcp-guardian

    rudraneel93
    A
    license
    A
    quality
    A
    maintenance
    Security, cost, and health governance proxy for MCP infrastructure. Enforces YAML-configurable security policies (blocklists, rate limits, token budgets), tracks real token costs via tiktoken, monitors server health with live JSON-RPC probes. Features OAuth 2.1/OIDC with RBAC, web dashboard, payload normalization, semantic shell AST analysis, mTLS, and a formal STRIDE threat model.
    Last updated
    4
    202
    3
    MIT
  • GlassTape Policy Builder by GlassTape

    GlassTape Policy Builderofficial

    GlassTape
    A
    license
    A
    quality
    D
    maintenance
    Converts natural language security requirements into validated Cerbos YAML policies with automated testing and red-team analysis, enabling AI governance with zero-trust guardrails for tool calls, data access, and compliance frameworks.
    Last updated
    5
    3
    Apache 2.0
  • authensor-mcp-server by AUTHENSOR

    authensor-mcp-serverofficial

    AUTHENSOR
    A
    license
    -
    quality
    C
    maintenance
    Policy enforcement gateway for MCP tool calls, evaluating every tool invocation against declarative YAML policies (allow/deny/escalate-to-human), generating cryptographic hash-chained audit receipts, and including built-in content safety scanning.
    Last updated
    2
    MIT
  • ToolMesh by DunkelCloud

    ToolMeshofficial

    DunkelCloud
    A
    license
    -
    quality
    B
    maintenance
    ToolMesh is an Apache-2.0, self-hosted MCP gateway written in Go that sits between AI agents and backend systems. It enforces a fail-closed pipeline on every tool call, including per-tool and per-user authorization, server-side credential injection, structured audit logging, and output policies. APIs are declared in YAML with DADL, turning REST endpoints into MCP tools without writing a custom MCP
    Last updated
    5
    Apache 2.0

  • mcpwall

    behrensd
    A
    license
    -
    quality
    C
    maintenance
    mcpwall is a deterministic security proxy for MCP tool calls — iptables for MCP. It sits between the MCP client and server, intercepting every JSON-RPC request and enforcing YAML-defined policies.
    Last updated
    113
    4
    Apache 2.0

  • heddle

    goweft
    A
    license
    -
    quality
    B
    maintenance
    Enables users to define and run MCP tools using declarative YAML configs with built-in trust enforcement, credential brokering, and tamper-evident audit logging.
    Last updated
    14
    MIT

  • AISentinel

    Kabzhanov
    A
    license
    -
    quality
    B
    maintenance
    An open-source MCP server that protects AI agents at runtime by evaluating every tool call against YAML policies and generating audit trails.
    Last updated
    1
    Apache 2.0

  • flux7-mesh

    KTCrisis
    A
    license
    -
    quality
    A
    maintenance
    Guardrail sidecar proxy between AI agents and their MCP/REST/CLI tools. Policy engine, human approval gates, time-limited grants, rate limiting, and OTEL tracing. One Go binary, one YAML config, fail-closed by default.
    Last updated
    1
    Apache 2.0

  • mcp-runtime-guard

    Shuin-Labs
    A
    license
    -
    quality
    C
    maintenance
    Runtime proxy that intercepts and blocks MCP tool calls based on YAML-defined policies, enforcing security rules for AI agents like Claude Code or Cursor.
    Last updated
    6
    1
    Apache 2.0

  • AML Wathcer

    Tech-AML
    F
    license
    -
    quality
    D
    maintenance
    AML Watcher MCP Server gives AI agents direct, real-time access to AML Watcher's proprietary sanctions, watchlist, and PEP databases. Connect your agentic workflows to 215+ sanctions regimes, 2.6M+ PEP profiles, and coverage across 235+ countries, no complex integrations required.
    Last updated

  • downscoping-mcp

    kbroughton
    F
    license
    -
    quality
    F
    maintenance
    A security-focused tool that implements least-privilege credential injection for Claude Code by intercepting Bash and MCP tool calls to swap in minimum-privilege tokens. It enables secure execution of CLI commands and MCP operations by matching tool arguments against declarative YAML policies to prevent unauthorized access.
    Last updated

  • LOOM

    goweft
    F
    license
    -
    quality
    F
    maintenance
    A secure, declarative MCP runtime that turns YAML configs into MCP servers with trust enforcement, credential brokering, and tamper-evident audit logging.
    Last updated