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mcpmark MCP Server

eval-sys/mcpmark

Score: 49.5 Rank #20261 MCP Server
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MCPMark is a comprehensive, stress-testing MCP benchmark designed to evaluate model and agent capabilities in real-world MCP use.

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claude mcp add agentrank -- npx -y agentrank-mcp-server

Overview

eval-sys/mcpmark is a Python tool licensed under Apache-2.0. MCPMark is a comprehensive, stress-testing MCP benchmark designed to evaluate model and agent capabilities in real-world MCP use. Topics: benchmark, mcp-servers, mcpmark, eval-sys, agentic, tool-use, mcp.

Ranked #20261 out of 24846 indexed tools.

Has 17 contributors.

Ecosystem

Python Apache-2.0 7 pypi/wk
benchmarkmcp-serversmcpmarkeval-sysagentictool-usemcp

Score Breakdown

StarsFreshnessIssue HealthContributorsDependents
Stars 15% 465

465 stars → growing community

Freshness 25% 5mo ago

Last commit 5mo ago → stale

Issue Health 25% 37%

14/38 issues closed → many open issues

Contributors 10% 17

17 contributors → active community

Dependents 25% 0

No dependents → no downstream usage

npm Downloads N/A
PyPI Downloads 13% 7/wk

7 weekly installs → early adoption

Forks 50
Description Good
License Apache-2.0

Weights: Freshness 20% · Issue Health 20% · Dependents 22% · Stars 10% · Contributors 8% · How we score →

How to Improve

Description low impact

Expand your description to 150+ characters for better discoverability

Freshness high impact

Last commit was 152 days ago — a recent commit would boost your freshness score

Issue Health high impact

You have 24 open vs 14 closed issues — triaging stale issues improves health

Install in your agent

claude mcp add mcpmark -- uvx mcpmark
codex mcp add mcpmark -- uvx mcpmark
{"mcpServers":{"mcpmark":{"command":"uvx","args":["mcpmark"]}}}
hermes mcp add mcpmark --command uvx --args mcpmark

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Matched Queries

topic:mcp

From the README

<div align="center">

# MCPMark: Stress-Testing Comprehensive MCP Use

</div>

An evaluation suite for agentic models in real MCP tool environments (Notion / GitHub / Filesystem / Postgres / Playwright).

MCPMark provides a reproducible, extensible benchmark for researchers and engineers: one-command tasks, isolated sandboxes, auto-resume for failures, unified metrics, and aggregated reports.

> 🚀 **MCPMark Verified is now the default.** The standard tasks in this repository are the Verified set — every environment version-pinned and every verifier stabilized. Results from earlier task versions are deprecated and not directly comparable, so please report new numbers as **MCPMark Verified**. On the Verified set, `gpt-5.5` (xhigh) leads at **92.9%** and `kimi-k2.7` reaches **81.1%**. See [#264](https://github.com/eval-sys/mcpmark/pull/264).

## News

- 🚀 **12 Jun** — **MCPMark Verified** is now the default task set: every environment version-pinned and every verifier stabilized. Earlie
Read full README on GitHub →

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