Gaffer
Rank #18,362sh.gaffer/mcp
Test analytics for AI agents: test history, flaky tests, failure clusters, coverage.
Gaffer is a Model Context Protocol (MCP) server published by gaffer-sh. It ranks #18,362 of 132,046 servers tracked on MCP Toplist, and its repository has 1 GitHub stars. Gaffer is listed across 2 registries — Official MCP and Glama, with 2 tracked versions. It was first listed on Feb 9, 2026 and most recently updated on Aug 11, 2026.
Ranks ahead of 113,684 of 132,046 servers on MCP Toplist.
Use Gaffer
Requires user-supplied configuration before first use — typically an API key, token or connection string set via environment variables.
claude mcp add gaffer -e "GAFFER_API_KEY=<your GAFFER_API_KEY>" -e "GAFFER_API_URL=<your GAFFER_API_URL>" -- npx -y @gaffer-sh/mcpReplace each placeholder with your own value before saving.
[mcp_servers.gaffer]
command = "npx"
args = ["-y", "@gaffer-sh/mcp"]
[mcp_servers.gaffer.env]
GAFFER_API_KEY = "<your GAFFER_API_KEY>"
GAFFER_API_URL = "<your GAFFER_API_URL>"Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"gaffer": {
"command": "npx",
"args": [
"-y",
"@gaffer-sh/mcp"
],
"env": {
"GAFFER_API_KEY": "<your GAFFER_API_KEY>",
"GAFFER_API_URL": "<your GAFFER_API_URL>"
}
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.
{
"mcpServers": {
"gaffer": {
"command": "npx",
"args": [
"-y",
"@gaffer-sh/mcp"
],
"env": {
"GAFFER_API_KEY": "<your GAFFER_API_KEY>",
"GAFFER_API_URL": "<your GAFFER_API_URL>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.
{
"servers": {
"gaffer": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@gaffer-sh/mcp"
],
"env": {
"GAFFER_API_KEY": "<your GAFFER_API_KEY>",
"GAFFER_API_URL": "<your GAFFER_API_URL>"
}
}
}
}Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"gaffer": {
"command": "npx",
"args": [
"-y",
"@gaffer-sh/mcp"
],
"env": {
"GAFFER_API_KEY": "<your GAFFER_API_KEY>",
"GAFFER_API_URL": "<your GAFFER_API_URL>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"gaffer": {
"command": "npx",
"args": [
"-y",
"@gaffer-sh/mcp"
],
"env": {
"GAFFER_API_KEY": "<your GAFFER_API_KEY>",
"GAFFER_API_URL": "<your GAFFER_API_URL>"
}
}
}
}Replace each placeholder with your own value before saving.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/sh.gaffer%2Fmcp)<a href="https://mcptoplist.com/server/sh.gaffer%2Fmcp"><img src="https://mcptoplist.com/badge/sh.gaffer%2Fmcp.svg" alt="MCP Toplist: Top 25% of 132,046" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Listed on 2 registries
gaffer-sh
Available versions (2)
| Version | Published |
|---|---|
| 0.9.0 | Aug 11, 2026 |
| 0.8.1 | Aug 8, 2026 |
Frequently asked questions
- Who maintains Gaffer?
- Gaffer is maintained by gaffer-sh, which publishes 1 MCP server (2 total versions) tracked on MCP Toplist.
- Is Gaffer listed on the Official MCP Registry?
- Yes — Gaffer is listed on the Official MCP Registry, alongside Glama.
- How many versions does Gaffer have?
- MCP Toplist tracks 2 versions of Gaffer, most recently published on Aug 11, 2026.
- Where can I find the source code for Gaffer?
- The source code for Gaffer is hosted at github.com/gaffer-sh/mcp.
Do you run this server?
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