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MCP servers tagged json-rpc
279 live MCP servers tagged "json-rpc", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with json-rpc.
Stdio Purity
Fail CI when an MCP stdio server writes any non-JSON-RPC record to stdout during startup, probing, or cleanup.
Timeout Guard
A local timeout proxy for newline-delimited MCP stdio JSON-RPC
Codex Support
Official community hub & docs for MCP Codex (mcp-codex.com). 100+ Model Context Protocol (MCP) servers, visual config generator for Claude Desktop, Cursor & Windsurf, linter, and…
Tools Php
A from-scratch implementation of the ModelContextProtocol to deepen my understanding.
Node Zig
Static, single-binary MCP node for remote execution — 13 tools, process sessions, zero runtime deps. Written in Zig. Linux, macOS, Windows.
Wardro
AI styling agent built on a hand-rolled Model Context Protocol (MCP) server and client, with FastAPI, Next.js and Gemini.
G4 Base MCP
Minimal, extensible Model Context Protocol (MCP) server implementations across languages — tool-first, JSON-RPC based, VS Code Agent and n8n compatible, with streaming support.
Customer Refund MCP
TypeScript MCP server with customer lookup, mock refund processing, strict Zod validation, stdio transport, error handling, and automated tests.
Snodo
Model Context Protocol servers and clients for Elixir
Storage Intelligence
MCP server for storage analysis using FastMCP
Claimscout
MCP server in Go that finds consumer refund claims a person may be owed, from live FTC enforcement data
Agent Decoy Policies
Rust and WebAssembly cyber-deception policies for AI agent and MCP traffic on MuleSoft Flex/Omni Gateway: honeytoken detection, decoy tool enforcement, breadcrumb controls, and co…
Connector Factory
A reusable MCP-server skeleton forked per backend — sanitized case study of two Claude custom connectors (Lark Bitable + a NestJS REST API)
Codex Zai Proxy
A small stdio-to-HTTP MCP compatibility proxy for Codex and strict MCP clients.
Fleet MCP Platform
Claude agent that detects and fixes faults in a simulated 100-vehicle fleet through a Go MCP server. Seeded fault simulator, ground-truth eval harness, two-layer write validation.
Ucp Studio
Local developer toolkit for the Universal Commerce Protocol (UCP): reference merchant (REST + MCP), profile inspector, tracing proxy, conformance runner, webhook receiver and web…
Caddy Jsonrpc Matcher
Caddy matcher module for JSON-RPC method filtering. Rate-limit MCP tool calls without counting connection handshakes.
Scala SDK
MCP for Scala — Cats, ZIO, or neither.
Lifeflow MCP
Production-grade hybrid Model Context Protocol (MCP) ecosystem featuring 4 FastMCP servers (2 Local stdio + 2 Remote SSE), custom multi-server client orchestrator, NVIDIA NIM Nemo…
Rag MCP Server
Source-linked RAG MCP server for structured university programme information.
Test MCP
Este projeto é um servidor MCP (Model Context Protocol) construído com FastMCP, que expõe ferramentas, recursos e prompts através de HTTP streamável.
Argus
🔭 Browser-native workbench for the Model Context Protocol — scan any MCP server against a live conformance suite, compose servers on a node canvas, and browse the spec. Next.js 15…
Tusk
Minimal-dependency MCP server in PHP, exposed over HTTP: web_fetch, web_search, feed_discover, feed_fetch, url_metadata tools
Action MCP
Rails Engine with MCP compliant Spec.
Project
Complete Model Context Protocol (MCP) implementation in Python with server, client, and CLI tools
Client
Standards-compatible pure-ESM Model Context Protocol client for Streamable HTTP, SSE, stdio, bearer authentication, OAuth token providers, and resilient reconnects.
Skeleton
[Archived] MCP server skeleton for learning: raw JSON-RPC 2.0 over stdio with clear protocol/tool separation. No longer used or maintained
Mcptools
The Swiss Army knife for MCP (Model Context Protocol) — create, test, inspect, and wrap MCP servers with ease.
Mcptest
CLI testing framework for MCP (Model Context Protocol) servers — validate protocol compliance, test tools/resources/prompts, benchmark performance
Trace
Experimental: stdio proxy that logs MCP JSON-RPC metadata (method, tool, latency, errors) to local SQLite — no bodies by default. Sister project to mcp-vault. Install from git; th…
Action MCP
Rails Engine with MCP compliant Spec.
Modex
Modex is a Clojure MCP Library to augment your AI models with Tools, Resources & Prompts using Clojure (Model Context Protocol). Implements MCP Server & Client.
Truenas MCP
MCP server, CLI and Go SDK for TrueNAS, tested against a real NAS. In progress: the Go connection works today.
Modex
Modex is a Clojure MCP Library to augment your AI models with Tools, Resources & Prompts using Clojure (Model Context Protocol). Implements MCP Server & Client.
Modex
Modex is a Clojure MCP Library to augment your AI models with Tools, Resources & Prompts using Clojure (Model Context Protocol). Implements MCP Server & Client.
Uxc
A unified CLI for discovering and invoking tools across OpenAPI, MCP, GraphQL, gRPC, and JSON-RPC
DevTools
For all MCP developers
WebSearch MCP
MCP server for web search and page fetching with markdown conversion for AI model integration in applications and citations.
Magg
Magg: The MCP Aggregator
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Magg: The MCP Aggregator
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Magg: The MCP Aggregator
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Magg: The MCP Aggregator
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Magg: The MCP Aggregator
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Magg: The MCP Aggregator
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Magg: The MCP Aggregator
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Magg: The MCP Aggregator
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Magg: The MCP Aggregator
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Magg: The MCP Aggregator
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Magg: The MCP Aggregator
Explorer
MCP é uma projecto visual para explorar, testar e gerenciar ecossistemas MCP (Model Context Protocol) de forma prática.