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proxy MCP Servers

Showing 25 Model Context Protocol tools tagged with “proxy”.

Browse MCP Servers

Discover, filter, and connect verified Model Context Protocol tools to your AI agents.

Agent

A unified Model Context Protocol server implementation that aggregates multiple MCP servers into one.

Arc Gate MCP

9hannahnine-jpg

Runtime governance for MCP tool calls. Blocks prompt injection and capability abuse before tool results reach your agent.

Context Firewall

Alepha188838884

Local proxy that collapses N downstream MCP servers into 4 meta-tools with progressive tool discovery (measured: 122 tools → 4, 28.6K tokens of definitions saved), compresses large tool outputs (HTML→Markdown, JSON structure summarization, base64 stripping — 60–95% measured on real pages/APIs) with full-output retrieval via readmore, and prints a per-session token-savings report. Security-relevant outputs are never silently compressed. Install: npx -y context-firewall --config config.json

MCP Firewall

Deterministic security proxy (iptables for MCP) that intercepts tool calls, enforces YAML policies, scans for secret leakage, and logs everything. No AI, no cloud.

Mastyf.ai

Open-source runtime security proxy for MCP. Transparently intercepts every tools/call through an 18-class attack defense pipeline (prompt injection, SSRF, shell injection, SQL injection, credential exfil, polyglot attacks) with a YAML policy engine and 304-entry adversarial corpus. Trust scoring for npm MCP packages with 0-100 badges. Cloud dashboard, Docker image, Python SDK. MIT.

Llm Usage MCP

Local-first LLM API cost tracker. Captures usage across Anthropic, OpenAI, Qwen, and DeepSeek into a local SQLite ledger and exposes spend queries, provider comparison, and recommendations as MCP tools — with first-class Chinese-provider support (CNY→USD). Install: uvx llm-usage-mcp.

Open WebSearch

Search & Data Extraction

Web search using free multi-engine search (NO API KEYS REQUIRED) — Supports Bing, Baidu, DuckDuckGo, Brave, Exa, and CSDN.

MCPSpend

andreisirbu91-lab

Real-time cost observability for MCP tool calls. Transparent proxy auto-detects every MCP client (Claude Desktop, Cursor, Windsurf, VS Code, Claude Code, Zed, Continue.dev, Cline, Goose) and attributes spend per tool, per project, per end-customer. npx @mcpspend/proxy add install. Free tier 25K calls/month, no card. MIT proxy on npm. EU-hosted, GDPR-ready.

MCP Log Proxy

Other Tools and Integrations

MCP server proxy that offers a Web UI to the full message flow

MCP Ip2location IO

VerifiedLocation Services

Official IP2Location.io MCP server to obtain the geolocation, proxy and network information of an IP address utilizing IP2Location.io API.

Authmcp Gateway

glama 🐍 ☁️ 🏠 🍎 🪟 🐧 - Auth proxy for MCP servers: OAuth2 + DCR, JWT, RBAC, rate limiting, multi-server aggregation, and monitoring dashboard.

MCP Audit

Transparent Go proxy that intercepts, signs, rate-limits, redacts, and audits all MCP JSON-RPC tool calls without modifying client or server.

Magg

Magg: A meta-MCP server that acts as a universal hub, allowing LLMs to autonomously discover, install, and orchestrate multiple MCP servers - essentially giving AI assistants the power to extend their own capabilities on-demand.

Mcpproxy Go

smart-mcp-proxy

Local MCP proxy with BM25 tool filtering, quarantine security, activity logging, and web UI. Routes multiple servers through a single endpoint.

Claw Tsaver

Token-saving MCP proxy that intercepts oversized tool returns and replaces them with a preview + on-demand handle. Real benchmark: 11,507 tokens → 104 tokens (99.1% saved) on a Wikipedia fetch. Works with OpenClaw + Claude.

Cinderwright API

cinderwright-ai

x402 Discovery Hub. Search engine for the agent economy with 1450+ services indexed. Pay with USDC on Base via x402.

Distil

Knowledge & Memory

Reversibly compress a large tool output to a recoverable 8-hex handle over stdio, expand it on demand, and report a local token/dollar savings ledger.

Heimdall MCP

Transparent proxy for any MCP server that intercepts all JSON-RPC messages, measures latency, and stores traces in SQLite, PostgreSQL, or MySQL. Exports OpenTelemetry (OTLP) spans to Jaeger, Tempo, or Grafana. Supports stdio, HTTP, and SSE transports. npx @cardor/heimdall-mcp

Gqai

Other Tools and Integrations

Define tools using regular GraphQL queries/mutations and gqai automatically generates an MCP server for you.

McpProxy

Browser Automation

A model context protocol server to work with JetBrains IDEs: IntelliJ, PyCharm, WebStorm, etc. Also, works with Android Studio

Metatool App

MetaMCP is the one unified middleware MCP server that manages your MCP connections with GUI.

Llmkit

AI API cost tracking and budget enforcement across 11 LLM providers. 6 tools for spend analytics, budget monitoring, session summaries, and key management.

MCP Access Point

Turn a web service into an MCP server in one click without making any code changes.

Scopeblind Gateway

Security gateway that wraps any MCP server with per-tool policies, approval gates, and optional Ed25519-signed receipts. Shadow mode logs every tool call; enforce mode blocks, rate-limits, or requires approval.

Pluggedin MCP Proxy

A comprehensive proxy server that combines multiple MCP servers into a single interface with extensive visibility features. It provides discovery and management of tools, prompts, resources, and templates across servers, plus a playground for debugging when building MCP servers.