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Alternatives to protect-mcp

  • A
    license
    B
    quality
    C
    maintenance
    Security gateway that wraps any MCP server with per-tool policies, approval gates, and optional Ed25519-signed decision receipts. Shadow mode logs every tool call without blocking; enforce mode applies block, rate-limit, and minimum-tier rules. Receipts are independently verifiable offline with no accounts needed.
    5
    1,353 npm
    11
    MIT
  • A
    license
    A
    quality
    C
    maintenance
    MCP server for offline verification of signed artifacts — receipts, manifests, and audit bundles. MIT licensed, works without accounts or API calls. Tools: self_test, verify_receipt, verify_bundle, explain_artifact.
    4
    95 npm
    6
    Apache 2.0

Related Servers

  • A
    license
    Not graded
    quality
    D
    maintenance
    A least-privilege enforcement proxy for MCP servers. It sits between MCP clients and upstream servers, enforcing tool policies, hiding denied tools, requiring human approval for risky actions, and providing a structured audit trail.
    MIT
  • A
    license
    Not graded
    quality
    B
    maintenance
    Enables developers to wrap existing MCP servers with a deterministic policy enforcement gate that intercepts tool discovery and tools/call requests over stdio, allowing only authorized calls to reach the downstream server. It supports dynamic tool exposure or hiding, allow/deny/approval-required decisions, configurable error disclosure modes, and Ed25519-signed retry credentials for approved workflows.
    Apache 2.0
  • A
    license
    Not graded
    quality
    C
    maintenance
    Self-hosted MCP gateway that applies deterministic, compiled policy to tool discovery, invocation, and outbound data flow, with no model in the enforcement path. Every decision emits a hash-chained receipt sealed with Ed25519 and verifiable using public keys only.
    Apache 2.0
  • A
    license
    Not graded
    quality
    C
    maintenance
    Security gateway for MCP tool calls. Sits between your LLM client and MCP servers, enforcing per-tool policies (allow/block/approve/read-only), logging every call, and pausing dangerous operations for human approval in terminal or Slack.
    3 npm
    2
    MIT
  • A
    license
    A
    quality
    B
    maintenance
    MCP proxy that puts a deterministic gateway in front of any MCP server. Every critical tool argument (payee, amount, recipients) must resolve against a signed mandate or the user's own registries before a Cedar policy decides; step-ups are confirmed by the user through MCP elicitation, and every decision is a hash-chained receipt.
    4
    357 PyPI
    Apache 2.0
  • A
    license
    Not graded
    quality
    B
    maintenance
    Sits in front of any MCP server to enforce allow/ask/block policies on tool calls, paths, shell commands, and network domains, with local approval prompts and an audit log.
    MIT