Browse all Model Context Protocol servers with quality scores, stars, languages and maintenance activity.
Persistent memory and session intelligence for Claude Code. Auto-tracks mistakes, decisions, and context via hooks. Mines session history for patterns and cross-session search. Loop detection, pre-edit warnings, context compaction survival. Runs locally with Ollama.
Local-first, auditable memory layer for Codex, Claude Code, and MCP clients. Stores scoped user/project memory in SQLite or Postgres, exposes read-only recall, trace, stats, and artifact tools by default, and supports opt-in governed writeback with review, forget, and audit controls. Published as `io.github.hjqcan/goodmemory` in the official MCP Registry.
Event-sourced agent memory on a hash-chained append-only log with an embedded temporal knowledge graph (Kuzu, no sidecar). Cited Memory Checkout context, salience-based forgetting that attenuates instead of deleting, compaction-recovery hooks for Claude Code, token-budgeted checkout, and review-gated consolidation. 47 MCP tools with an 8-tool core profile default. `pip install zaxy-memory` [Docs](
AI API cost tracking and budget enforcement across 11 LLM providers. 6 tools for spend analytics, budget monitoring, session summaries, and key management.
Web search (embedded SearXNG), content extraction, and library docs indexing with hybrid search (FTS5 + semantic). Built-in Qwen3 embedding, no API keys required.
Self-hosted business context for your AI client: CRM, check points, automation triggers, financial ledger, tasks, playbooks, news feeds, projects, and semantic memory in one MCP server. Ask one question and it reads your CRM and books together. Your data stays in your own database. MIT licensed.
Apple-native execution layer for AI agents. Compiles TypeScript to validated Swift — App Intents, SwiftUI views, WidgetKit widgets, and full apps. 13 MCP tools, 150 diagnostics, 500 tests.
Lets AI agents explore elaborated SystemVerilog/Verilog designs (RTL or gate-level netlists) without pasting RTL into context: trace signal fan-in/fan-out, walk module hierarchy, and jump to exact `file:line` source, backed by the najaeda netlist engine.
Structural memory for coding agents. Indexes TypeScript/JavaScript repos and exposes callers, callees, blast-radius impact, and symbol locations over MCP — with file:line@sha evidence anchors and branch-aware differential impact — so agents answer "who calls X?" / "what breaks if I change X?" without re-reading files. Local-only, zero telemetry, Apache-2.0. `npx @graphpilot-oss/graphpilot mcp`
AI copilot for RPG Maker MV: generate maps, edit the database and events, and reason about a project — validate broken references, explain why an event never fires, critique maps, and search by meaning. 13 tools, knowledge-driven map generation, fully offline.
Persistent memory MCP server for AI coding agents (Claude Code, Codex, Gemini CLI). Hybrid retrieval (vector + BM25), cross-encoder reranking, knowledge graph with PPR traversal, session checkpoint/resume, and multi-scope isolation. Local-first with LanceDB + SQLite, zero external dependencies.
MCP server that gives AI coding agents on-demand access to private project docs via BM25 ranked search. One setup for Claude Code, Cursor, Codex, Gemini CLI, and more. Docs stay private, never in public repos.
Self-hosted knowledge backend for AI agents with hybrid vector + keyword search, container-isolated indexes, and 11 MCP tools. .NET, Docker-ready.
Persistent memory layer for AI agents with entity resolution, PII detection, AES-256-GCM encryption at rest, and hybrid search. 100% on LoCoMo benchmark. Self-hosted.
Go-based MCP server that bridges any GenieACS (TR-069 ACS) instance, exposing device data, firmware management, and CPE actions (reboot, parameter refresh, firmware download) over JSON-RPC. Docker image available.
Policy-based governance for AI agent tool calls. YAML policies, approval gates, risk assessment, and audit logging. Cross-platform: LangChain, OpenAI, Anthropic, MCP.
Local credential approval and execution gateway for AI coding agents. Agents receive typed handles instead of raw API tokens, SSH keys, and cloud credentials; one-time approvals bind the credential, command, arguments, working directory, environment bindings, and target. Injects credentials only into the approved child process, sanitizes output, and records a local audit trail. Install with `npm i
MCP server that compiles AI browser automation into deterministic `.tap.json` plans (25-op closed union, zero runtime LLM), runs on your logged-in Chrome, and detects drift via semantic fingerprint diff when sites change. 65+ open community taps on 40+ sites.
Token-efficient browser automation for LLM agents: semantic page snapshots and stable element IDs instead of raw DOM or screenshots, driving Chrome over CDP.
Lightweight browser MCP server for LLM agents. Runs JavaScript, follows links, fills forms, manages cookies, and returns low-token BlockMaps from a single native binary without Chrome.
Local-first FinOps copilot. Connect AWS, Azure, GCP, Kubernetes, and 15+ SaaS and AI bills, then ask cost questions in Claude or Cursor, find waste, and get the fix as a pull request you approve. Read-only; your credentials and bill stay on your machine. `uvx nable`.
MCP server for interactive .NET / ASP.NET Core debugging via netcoredbg. 27 tools: breakpoints (line, function, exception, data), stepping, thread inspection, exception autopsy, hang/deadlock analysis, and request tracing.
Zuul CI integration with 14 tools for build failure analysis, log search, pipeline status, and job configuration.
49-tool Polymarket prediction market suite for AI agents. Direct trading, smart money flow detection, copy trading with auto-monitor, backtesting, arbitrage scanning, portfolio optimization, and real-time WebSocket price streaming. Preview mode for simulation, live mode for real orders.
Persistent memory and codebase context for AI coding agents. FAISS vector store, AST reverse index with O(1) symbol
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.
Deterministic knowledge graph MCP server. Single binary, zero LLM/embedding calls in the bridge, BLAKE3 state hashing, canonical KREX export for byte-identical audit. Local-first via redb (ACID). **Alpha**.
Access Austrian federal laws, state laws, court decisions, and legal documents via the RIS (Rechtsinformationssystem) API with 12 specialized tools.
Search and cite rare historical texts (alchemy, Hermeticism, Renaissance philosophy) with DOI-backed academic citations from [Source Library](https://sourcelibrary.org)
Trust, identity (W3C DID), and EigenTrust reputation for AI agents. Attestations, disputes, sybil detection, IPFS audit anchoring.
Governance proxy for MCP servers. Wraps any upstream server with policy evaluation, human approval workflows, and hash-chain audit trails. 18+ framework integrations. Apache 2.0 SDK.
Real-time oil, gas & commodity prices — spot, history, futures curves, price alerts and market briefs for Brent, WTI, natural gas, diesel, jet fuel and 70+ more. Works keyless in demo mode.
Control Spotify playback and manage playlists.
ClickUp API integration with 143 MCP tools covering all ~130 endpoints. Token-efficient compact responses (~98% smaller than raw JSON), flattening nested objects for minimal context usage. Also works as a standalone CLI.
Surgical editing of existing Word .docx files with formatting preservation, tracked changes, comments, footnotes, and document comparison.
LLM-based code review MCP server with AST-powered smart context extraction. Supports Claude, GPT, Gemini, and 20+ models via OpenRouter.
AI-native backend-as-a-service platform enabling AI agents to build and manage full-stack applications. Provides Auth, Database (PostgreSQL), Storage, and Functions as production-grade infrastructure, reducing MVP development time from weeks to hours.
1,500+ developer infrastructure deals, free tiers, and startup programs across 54 categories. Search deals, compare vendors, plan stacks, and track pricing changes. REST API and web browser at [agentdeals.dev](https://agentdeals.dev).
Neuroscience-inspired memory engine for AI agents. Stores episodes, consolidates knowledge through a Bjork-strength lifecycle (strengthening, transformation, forgetting), and builds a personal knowledge graph with emergent categories, preferences, and semantic recall. Local SQLite, zero config, 10 MCP tools. Install via `npx alaya-mcp`.
Local-first memory for long-horizon AI agents with no LLM at ingest — $0 per message, zero data egress, verbatim source-traceable recall. Typed belief revision, selective forgetting, and a provenance guard that blocks memory-justified destructive actions unless user-confirmed. One `midas init` wires Claude Code, Cursor, Codex, and 6 more clients to one shared SQLite memory; local web inspector and
Render, analyze, and verify audio (WAV or FLAC) through a fully offline, deterministic engine. Compose scores as data, render byte-identical PCM, pull loudness, pitch, tempo, key, and structure reports, generate spectrograms, and diff two renders against each other. No ffmpeg, no audio device, just numbers an agent can actually reason about. `cargo install cochlea-mcp`
Semantic Scholar MCP server: 14 typed tools over 200M+ academic papers — search, paper/author retrieval, citation-graph traversal, and recommendations. `uvx s2-mcp-server`
MCP server for [YADE](https://yade-dem.org/) — open-source discrete element method (DEM) engine for granular and particle simulation. Browse API docs with BM25 search, execute code via synchronous REPL or async background tasks, monitor progress, and review task history.
Credential isolation proxy for AI agents. Injects secrets at the network boundary with domain restrictions, agent authentication, and audit logging. No SDK required — works as a transparent HTTP proxy or MCP server.
AI agent discovery and marketplace on Nostr with Solana payments (SOL, USDC). NIP-89 discovery, NIP-90 jobs, NIP-44 v2 encryption, on-chain micropayments.
A universal MCP aggregator toolkit that connects AI agents to multiple MCP servers through a single unified configuration. Features ready-made templates, cross-repo prompt workflows, and an npm package for zero-config installation.universal MCP aggregator toolkit that connects AI agents to multiple MCP servers through a single unified configuration. Features ready-made templates, cross-repo prompt
Run AI agents in Zulip as @mentionable bots — or wire into any MCP client. Real-time listening, session management, file handling.
A Model Context Protocol server for managing, monitoring, and querying data in [CockroachDB](https://cockroachlabs.com).