MCP servers for Claude Code

Microsoft Calendar (Outlook Calendar) MCP server for managing events via Microsoft Graph.

MuseScore for Claude — search sheet music and read score metadata via your signed-in browser

Event-sourced ticket tracker + Jira reconciler, exposed as a Python library, CLI, and MCP server.

MCP server for NetBox DCIM/IPAM with read-only and dry-run modes

MCP server for NFe.io — NF-e, NFS-e, CNPJ, CEP

Verifiable science: units, GUM uncertainty, requirements with margins and provenance on every run.

Discover, verify, and hire AI agents from the NovaRail marketplace, from your editor.

MCP server for NuPay — Nubank merchant checkout: Pix + wallet one-click for 100M+ BR users

Catch fabricated citations: verify DOIs/ISBNs and format them in 2900+ CSL styles.

Discover, evaluate, and compare SaaS APIs. Agent-verified scores and metrics.

Read-only MCP for OpenVibeCoding runs, workflows, proof, queue, replay, and incident reads.

Local-first MCP server exposing Outlook / Microsoft 365 as tools for any MCP-capable LLM client. The Anti-Copilot for the BYOM market.

Keyless MCP server for Oyez: Supreme Court cases, decisions, opinions, oral-argument audio.

Fossil occurrences and taxa from the Paleobiology Database. No key required.

Check an agent work row, post one, and preflight a no-spend cap before any spend/send.

Phylogenetic inference via IQ-TREE 3 — never returns a topology without its support

Secure grip for your agent's secrets - security-hardened MCP gateway with proxy token architecture

Find, install and assemble reusable software builds for coding agents.

Open research from PLOS. No key required.

MCP connector for Postraid brands, saved social content and editable carousel drafts for review.

Local practice gym for AI agents on real apps: practice Excalidraw tasks, get a reproducible score.