20 Everything alternatives
Everything: A reference/test server that exercises every MCP feature — prompts, resources, tools, and sampling — for building and debugging clients. 20 MCP servers do similar work, most sharing Official, Developers and Open Source, ranked by how much they have in common with Everything.
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by MCPJam
Testing and evaluation workbench for MCP server authors — inspect tools and prompts, debug OAuth step by step, and score behaviour across 16 client configurations before shipping.
Also: Developers, Evaluation, Open Source, Testing
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by PortSwigger
PortSwigger's official Burp Suite extension exposing proxy history, Repeater and scanning to AI agents over MCP.
Also: Developers, Official, Open Source, Testing
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by Arize AI
Official MCP server for Arize Phoenix: read traces and spans, manage prompt versions, and run and inspect datasets and experiments from an AI assistant.
Also: Evaluation, Official, Open Source
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by MathWorks
MathWorks' official MCP server: let Claude Code, Copilot or Codex run MATLAB code, lint it and execute unit tests on your local install.
Also: Developers, Official, Testing
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by Model Context Protocol
Time and timezone utilities — get the current time in any timezone and convert between zones.
Also: Developers, Official, Open Source
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by Model Context Protocol
Read, search, and manipulate Git repositories — status, diffs, logs, branches, commits, and more.
Also: Developers, Official, Open Source
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by Model Context Protocol
Secure local file operations for agents — read, write, search, and edit files within configurable allowed directories.
Also: Developers, Official, Open Source
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by FetchSandbox
A sandbox for third-party API integrations: agents replay Stripe, GitHub, Twilio and 50+ other workflows — webhooks, retries and failure cases included — without touching the real API.
Also: Developers, Testing
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by Weights & Biases
The official W&B MCP server: query experiment runs, Weave LLM traces, artifacts and registries in natural language, and write findings back as a W&B report.
Also: Evaluation, Official
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by Callstack
Give a coding agent a live feedback loop on real mobile, TV and desktop apps — inspect, tap, type and capture evidence on iOS, Android and HarmonyOS over MCP or a CLI.
Also: Open Source, Testing
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by Unleash
Unleash's official MCP server for feature flags — and unusually, it first judges whether a change needs a flag at all before creating one.
Also: Developers, Open Source
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by SmartBear
SmartBear's official MCP server, putting BugSnag error monitoring, Reflect and QMetry test management, Zephyr, PactFlow contract testing and the Swagger API Hub behind one agent connection.
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by Microsoft
Browser automation for agents — navigate, click, type, and read pages using Playwright's accessibility tree, no screenshots required.
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by Arm
Arm's official MCP server for porting and tuning software on Arm — semantic docs search, codebase migration scanning, container architecture checks and LLVM-MCA assembly analysis.
Also: Developers, Official
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by Nrwl (Nx)
Nx's official MCP server hands an agent the monorepo's real structure — the project graph, task definitions, generators, owners and Nx docs — so edits land with cross-project impact in view instead of guessed from filenames.
Also: Developers, Official
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by Espressif Systems
Espressif's local MCP server built into idf.py — lets an AI client set the chip target, build, flash and clean an ESP-IDF project and read back config, build status and connected serial ports.
Also: Developers, Official
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by Clerk
Clerk's official remote MCP server feeds AI coding assistants verified Clerk SDK snippets and implementation patterns, so generated auth code matches the current API.
Also: Developers, Official
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by Inngest
Inngest's official MCP servers for Cloud and the local Dev Server — inspect functions, replay runs, send test events and query Insights from a coding agent.
Also: Developers, Official
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by Daytona
Daytona's official MCP server: give an agent a disposable cloud sandbox with a file system, git, process execution, computer use and a live preview URL.
Also: Developers, Official
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by GitHub
GitHub's official MCP server — manage issues, pull requests, repositories, code search, and Actions from your agent.
Also: Developers, Official