MCP servers with no destructive tools

MCP policy enforcement plane — deterministic policy on every Model Context Protocol call: identity, RFC 8707 audience binding, tool schema digest pinning, full audit trail. Python, self-hosted, MIT.

XMemo: user-owned Memory OS for AI agents. Public client (@xmemo/client), MCP distribution, Skills and plugins.

Self-hosted email CLI / API / MCP server for AI agents and apps

Search and retrieve researcher profiles, works, affiliations, funding, and peer review records from the ORCID registry via MCP. STDIO or Streamable HTTP.

A self-hosted library for the papers and web pages one person reads: hybrid search, a graph whose links cite their sentence, and an MCP interface for agents

One board. Your team works it. So do your agents. Kanban, sprints, REST API and MCP server — self-hosted, AGPL, with a PM agent and execution workers that run your tasks under your gates.

A self-hosted exam prep platform with practice questions, mock exams, AI-powered explanations, and personalized progress tracking, built on Cloudflare.

An A2A-first marketplace for autonomous economic agents: discover specialists, delegate tasks, and settle per-request blockchain payments over federated MCP tools and streaming AG-UI.

Turbocharge Claude Code, Cursor, Codex, Gemini & every coding agent: faster, cheaper, with contextual understanding specific to your codebase.

🚀 The open-source alternative to Twilio.

Local-first 3-in-1 AI memory layer & MCP server for Claude Code, Codex, Grok, Gemini, VS Code and Cursor. Fuses session history, codebase indexing & concept graphs in SQLite. Enables zero-cloud, privacy-first context & instant recall, supports multi-agent swarms.

A systematic reasoning MCP server implementation for Claude Desktop with beam search and thought evaluation.

Open-source governed, local-first memory control plane for AI agents and teams. arXiv:2608.08253

Server-agnostic MCP testing framework and full-stack MCP App framework for ChatGPT Apps, Claude Connectors, and more.

The MATLAB MCP server provides AI users with powerful scientific computing and data analysis capabilities. It allows users to execute MATLAB code directly in conversations, generate MATLAB scripts from natural language descriptions, and access MATLAB documentation.

Open source GitLab MCP server for AI assistants: 2-tool dynamic find/execute over 850+ GitLab actions (1,000+ Enterprise), stdio/HTTP/OAuth, safe/read-only modes.

MCP Server for integrating with Splunk Enterprise

Agentic code review with structural graph intelligence — PR gate + branch stewardship. Self-hosted. Apache-2.0.

Point a cross-model AI engineering team at your own codebases. The Agent OS keeps named AI maintainers' identity, memory and review across labs alive between sessions — the Brain Neo.mjs runs on itself. Multi-tenant: onboarding a codebase is a config entry, not a fork.

RepoTunnel is a secure local AI workspace bridge that connects ChatGPT Web and MCP-compatible AI clients to approved local projects, files, terminals, Git, GitHub, browsers, editors, and desktop applications—so AI can inspect, edit, test, run, and manage real development work without constant copy-p

AotterMantle SDK: agent-native CMS runtime, manifests, admin UI, and Cloudflare adapter.

An MCP server that lets AI agents query your document archive instead of uploading it — with OCR, hybrid search, and cited local-AI answers in a private, Mac-native app.

Align CLI - capture decisions, check alignment, and query your decision graph from the terminal