Flakiness Knowledge Graph MCP server

by vola-trebla·io.github.vola-trebla/flakiness-knowledge-graph-mcp·v0.2.2

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MCP server + Playwright reporter that builds a flakiness knowledge graph from test run history

B82/100grade B

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Safety scan

B82/100

full report

Adoption

New

0 stars55 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Flakiness Knowledge Graph tools (8)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

cluster_semantic_error_trees
Groups test failures by semantic error similarity rather than raw string prefix.
correlate_git_commit_flakiness
Finds the exact point where a test transitioned from stable to flaky (or back),
get_error_groups
Groups failing tests by similar error messages to surface systemic failures.
get_failure_patterns
Breaks down failure rates by browser and OS combination.
get_flakiness_trend
Returns the daily flakiness rate for a specific test over the last N days.
get_flaky_tests
Returns tests ranked by flakiness rate (failed+flaky / total runs).
get_slow_tests
Returns tests ranked by average duration.
get_test_history
Returns the run history for a specific test — status, duration, error, retry count,

Public scan report

scanner v0.1.9 · 2026-09-27 · same rubric, same numbers if you re-run it

no findings

Code scan14 source files scanned25/25
–Live reliabilityno gateway calls yet and no remote to proben/a
–Tool poisoningtools not inspected (local package is not executed); not countedn/a
Auth qualitylocal package, no credentials required12/15
Maintenancelast push 132 days ago8/15
Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Overall 82/100. Components that don't apply are left out of the denominator. Any critical finding is an F.Rubric Appeal a finding JSON

How Flakiness Knowledge Graph compares

Against every graded Scraping and browsing MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score: 82/100; higher than 58% of 868 Scraping and browsing servers
Tools: 8; the typical Scraping and browsing server has 6
Tools that change things: 0%; typical: 0%. Fewer write tools means less an agent can break
Downloads a week: 55; more than 41% of 304 Scraping and browsing servers with a package

What its tools let an agent do: 8 read

Install Flakiness Knowledge Graph in Claude Code, Cursor or VS Code

Runs npx -y flakiness-knowledge-graph-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add flakiness-knowledge-graph-mcp -- npx -y flakiness-knowledge-graph-mcp

Add to Cursor

What the publisher says

From the Flakiness Knowledge Graph repository's README, as published. We do not edit it. Read it on GitHub

📊 flakiness-knowledge-graph-mcp

A Playwright custom reporter + MCP server that builds a local flakiness knowledge graph from your test run history. Ask your AI agent which tests are unreliable, on which browser, and whether they're getting worse.

🤔 The Problem

A single Playwright trace tells you what failed right now. It doesn't tell you whether this test has been silently flaking for two weeks, or only fails on Firefox in CI, or is getting slower with every release.

This tool fixes that by accumulating run history into a SQLite database and exposing it to AI agents via MCP.

🛠️ Tools

🚀 Setup

1. Install

npm install -g flakiness-knowledge-graph-mcp

Or build from source:

git clone https://github.com/vola-trebla/flakiness-knowledge-graph-mcp.git
cd flakiness-knowledge-graph-mcp
npm install && npm run build

2. Add the reporter to your Playwright project

// playwright.config.ts
export default defineConfig({
  reporter: [["html"], ["flakiness-knowledge-graph-mcp/reporter", { dbPath: "./flakiness.db" }]],
});

Run your tests normally — the reporter writes every result to flakiness.db automatically.

3. Add the MCP server to your editor

Cursor / VS Code (.cursor/mcp.json or .vscode/mcp.json)

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Flakiness Knowledge Graph: common questions

Is Flakiness Knowledge Graph MCP server safe?: Mostly: it is graded B (82/100). Read the Flakiness Knowledge Graph safety report
How do I install Flakiness Knowledge Graph?: It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Flakiness Knowledge Graph need an API key?: Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Flakiness Knowledge Graph maintained?: The last commit was 167 days ago (2026-05-19). The latest release is v0.2.2.
What can I use instead of Flakiness Knowledge Graph?: Servers from other publishers that do the same job: Endform MCP server, GrowBlocks Dev Kit MCP server and Playwright MCP server.
How does Flakiness Knowledge Graph compare with other Scraping and browsing MCP servers?: safety score 82/100 (higher than 58% of 868 Scraping and browsing servers); tools 8 (the typical Scraping and browsing server has 6); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

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