Best Repl AI Skills & MCP Servers

MCP server that gives Claude Desktop full access to your email through Mozilla Thunderbird. 12 high-level tools: search, read, compose, reply, attachments, folders.

Low-level CLI to manage Mozilla Thunderbird email from the shell. 38 commands for search, read, compose, reply, attachments, folders, bulk ops. Designed for AI agents.

MCP server for format-preserving PDF text editing — find, replace, and batch-edit text in existing PDFs while preserving fonts, layout, and visual fidelity.

MCP server for agent session recording and replay — debug non-deterministic agent behavior with session comparison and divergence detection

A TypeScript implementation of a simple MCP server that exposes datetime information to agentic systems and chat REPLs

Precise code editing — replace function bodies, insert before/after, safe delete with dependency check.

An MCP server that lets AI agents (Claude, Cursor, etc.) reach you on any channel — desktop, Telegram, SMS, email — with two-way ask/reply, real-time inbox push, Do Not Disturb, idle gating, multi-session routing, and a one-page web UI for setup. Zero con

Text search and replace across files — regex search, multi-file replace, grouped results.

Search and replace in files — regex search, in-place replace.

MCP server exposing HACKATANK bot dev API (validate, train inline source, submit, replay, spec) to AI clients via stdio.

Hash-verified file editing MCP + token efficiency hook for AI coding agents. 9 tools: inspect_path, read, edit, write, grep, outline, verify, changes, bulk_replace.

Seracade is a drop-in OpenAI-compatible routing proxy for AI agent teams. Six named capabilities: Call (every request, addressable and replayable), Step (sub-Call routing context inside agent trajectories), Quality Score (calibrated, version-stamped quali

Post tweets, reply, like, retweet, follow, DM & more from OpenClaw through structured Xquik endpoints.

High-performance MCP server and library providing a cloud-native replacement for mcp-server-filesystem. Supports S3, Azure Blob, GCS, and SQLite with VFS cache coherence.

Replace MCP 429 errors with PoW challenges or Lightning micropayments. Drop-in rate control for MCP servers — no accounts, free fallback, self-hosted. Three tools: challenge, verify, status. Stdio + HTTP transports, stdlib only.

Send, manage, and replay ntfy push notifications via MCP. STDIO or Streamable HTTP.

OpenCode plugin + MCP server + skill that runs an automated GitHub Copilot PR review loop: request review, wait deterministically via `gh run watch`, triage every comment, push fixes, reply, resolve, gated merge. Solves the silent-fail of github_request_c

PR Worlds — the CLI and MCP server that gives your repo coherent, reproducible worlds your agent can open, replay, and inhabit. v0.2 ships the coherence resolver: agents see the plan's confidence, evidence, and explicit unknowns before the world is materi

REPL-sharing MCP server — AI and humans co-drive the same visible terminal. 19 embedded adapters: shells (bash, pwsh, zsh, cmd), language REPLs (Python, Node, Deno, Lua, Racket, CCL/ABCL/SBCL Common Lisp, F# Interactive, jshell, Groovy, SQLite3), and debu

An intelligent Model Context Protocol (MCP) Server that acts as an AI model advisor. Compare LLM and media pricing, features, and quality across 1,000+ models from OpenRouter, fal.ai, Together AI, Replicate, and Fireworks AI. Deeply compatible with Claude

MoltFlow — complete WhatsApp automation platform: bulk messaging, scheduled messages, scheduled reports, custom groups, lead detection & CRM, AI replies with style cloning, knowledge base (RAG), voice transcription, group monitoring, labels, anti-spam, co

MCP server that gives AI agents (Claude Code, Cursor, Windsurf) real interactive terminal sessions — run REPLs, SSH, databases, Docker, and any interactive CLI with clean output and smart completion detection

Hive Mind for AI coding agents — the first open-source brain that works with sub-agents. v6.0.2 ships 19 world-first features: 5 viral artifacts (Brain Replay timeline, Brain DNA fingerprint card, Hive Voice consensus chart, Brain Time Capsule snapshots,

Multi-agent observability: cascade failure detection, heartbeats, and forensic replay