Model Context Protocol servers that extend AI capabilities
Opita Code
dark-memory-mcp binary for macOS (Apple Silicon)
Opita Code
dark-memory-mcp cross-platform wrapper  installs the right binary for your OS via optionalDependencies. Persistent memory + vibe-loop engine + agent governance for AI agents (MCP server).
...moreitsmenoahpoli
The package manager for AI-assisted software development — Skills, Rules, Prompts, MCP configs, and Presets
gokuldavinchi
Symbolic Context Virtualization Protocol — local-first MCP server + CLI that gives AI coding agents (Claude Code, Cursor) a compressed AST symbol graph instead of full source files, cutting context window usage via lazy expansion and structured AST patchi
...morenomadop
Local Claude Code context-cost monitor, transcript replay, buckets, and handoff
Toolbay
Install free Claude Code skills with one command. 20 MIT-licensed skills, bundled offline: no account, no network calls, no telemetry.
...moreSoumya Chakraborty
VibeLens — an MCP server that gives AI coding assistants eyes on localhost: screenshots, console errors, and a token-optimized DOM snapshot.
...moreMicrosoft Corporation
Playwright Tools for MCP
Amazon Web Services
A Model Context Protocol server for Finch to build and push container images
MCP server for NOAA RTOFS global ocean forecast data via HYCOM THREDDS
MCP server providing access to NWS surface wind observations from ASOS, AWOS, and other stations
MCP server providing access to NOAA NDBC buoy observations: waves, SST, wind, pressure from 1,300+ stations
chunin1103
MCP server for Nhắn — lets a Claude Code instance sit in a group chat as a normal member
domsteil
MCP server exposing the StateSet NSR neuro-symbolic reasoning API — verified decisions with machine-checkable proofs, as agent-native tools.
...morerjolaverria
Local MCP gateway — configure your MCP servers once and connect every MCP client (Claude, Codex, OpenCode) to one place.
mojibake-ai
RCSB Protein Data Bank experimental structures
Pact Community
Shared security baseline and utilities for Pact Community MCP servers
vanillagreen, maintained by fractaal
Pi provider bridge that runs Claude Code through the Claude Agent SDK.
vibheksoni
YTAI: Python YouTube SDK, CLI, and MCP server without user-supplied API keys
The coordination substrate for Claude Code agents: persistent tasks with a dependency DAG, atomic claims, git-bound commits, and a live board.
...moreswayam5342
Serve any OpenAPI 3.x / Swagger 2.x API as a local MCP (Model Context Protocol) server over stdio, proxying tool calls to the upstream HTTP API.
...moreMCP server for vertical datum conversions using coastalmodeling-vdatum
LORF
Anthropic engine adapter for auggy — implements ModelClient against @anthropic-ai/sdk.
Open-Document-Alliance
Fill, sign, merge, split, and extract PDFs from Claude Desktop and other MCP hosts. Maintained by the Open Document Alliance.
...more