MCP Servers 10,516

Npi Providers Server

io.github.cyanheads/npi-providers-mcp-server

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Search NPPES providers and resolve NUCC specialty codes via MCP over STDIO or Streamable HTTP.

Roslyn

io.github.darylmcd/roslyn-mcp

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Local-first MCP server for semantic C# analysis & refactoring via Roslyn & MSBuildWorkspace.

Search2chart

io.github.iqingyoung/search2chart-mcp

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跨客户端 ECharts 图表 MCP server：数据 -> 可交互 HTML 与内联图片

Hemnet

io.github.chrischall/hemnet-mcp

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Hemnet.se real estate for Claude: search, sold prices, listings & market stats

Japan Real Estate Intel

io.github.sugukurukabe/japan-real-estate-intel-mcp

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Japan real estate MCP: land price, risk, foot traffic, renovation.

Bovedia

io.github.jmpdsevilla/bovedia

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Memoria personal para Claude Code en notas Markdown; no carga el contexto a ciegas.

Agent Guardrail

io.github.rudimentall1/agent-guardrail

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Deterministic policy firewall for AI agent tool calls - YAML rules, not a fuzzy risk score.

Calculator Server

io.github.cyanheads/calculator-mcp-server

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Evaluate, simplify, and differentiate mathematical expressions.

Sourceright

io.github.edithatogo/sourceright

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Reference verification MCP server for CSL bibliographies, evidence, and audited writes.

Graphql Bridge

io.github.murilojrpereira/mcp-graphql-bridge

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Bridges any GraphQL API to Claude Code — auto-generates MCP tools via schema introspection.

Create Starter

io.github.starter-series/create-starter

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Scaffold projects from the Starter Series templates — MCP server, Claude Code skill, and CLI.

Inistate MCP

io.github.Inistate/inistate-mcp

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MCP server for the Inistate platform: module discovery, entry management, and activity submission.

Gbif Biodiversity Server

io.github.cyanheads/gbif-biodiversity-mcp-server

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Search GBIF species taxonomy, occurrence records, datasets, and publishers.

Wsdot Server

io.github.cyanheads/wsdot-mcp-server

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WA highway conditions, ferry schedules, vessel locations, toll rates, and border waits via MCP.

Vaultbeat

io.github.Fino-wind/vaultbeat

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Your AI agent reads your Apple Health data: sleep, HRV, cycle, workouts.

Clickhouse

io.github.dockndevai/mcp-clickhouse

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ClickHouse query & management for AI agents — SQL-classified read/write/destructive gating.

Rancher

io.github.rex/rancher-mcp

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Capability-aware MCP server for Rancher-managed Kubernetes: discovery, resources, workflows.

Audit a domain email deliverability via Apify: SPF, DKIM, DMARC, MX, blacklist, catch-all, age.

Loads signed ALTWEB context capsules — refuses unsigned, tampered, or untrusted by default.

Multidim

io.github.Cherridsaid/multidim-mcp

A✓Verified

Structured thinking grids for AI agents: deterministic analysis frames, validation, learned traps

Agentic Wallet Guardian V3

io.github.rudimentall1/agentic-wallet-guardian-v3

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Explainable ALLOW/WARN/BLOCK risk decisions for AI agent actions before execution, signed as OAA.

Tripwire

io.github.bonesdefi/tripwire

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Security gateway for MCP agents: blocks prompt-injection-driven tool calls before they execute.

Lgl Server

io.github.WillHeadlee/lgl-mcp-server

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MCP server for Little Green Light CRM.

Citadel

io.github.sustinbebustin/citadel-mcp

B✓Verified

A growing Citadel of stack-specific docs, served as MCP tools for AI coding agents.