Comparison

keepalive vs Prometheus MCP Server

keepalive is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑25.

keepalive is a plugin bundle for AI coding tools published by Alexander Nicholson. No marketplace we read lists it any more. Prometheus MCP Server is an MCP server published by pab1it0. Marketplaces we read that list it: 2 (Official MCP Registry, Docker MCP Catalog). As of our marketplace pass on 2026-10-28. A plugin in this pair is no longer listed on any marketplace we read, so search engines are asked not to index the page.

Where each is published

Where each is published
Marketplace	keepalive	Prometheus MCP Server
Community marketplace alexandernicholson/agent-router	Removed on 2026-10-25 Version: 0.4.9 Forks (GitHub): 0 Stars (GitHub): 9 Not marked · First seen 2026-10-15	Not listed
Official MCP Registry	Not listed	Listed Version: 1.6.2 Forks (GitHub): 105 Stars (GitHub): 520 Not marked · First seen 2026-10-11
Docker MCP Catalog	Not listed	Listed Version: sha256:3c3921301229 Forks (GitHub): 105 Stars (GitHub): 520 Not marked · First seen 2026-10-11

Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.

The facts side by side

keepalive vs Prometheus MCP Server
Fact	keepaliveno longer listed · 2026-10-25	Prometheus MCP Server
Marketplaces that list it (differs)	0	2
Stars (GitHub) (differs)	9	520
Forks (GitHub) (differs)	0	105
Last release	Not published	Not published
Where it runs (differs)	Installs as a plugin bundle	On your machine (ghcr.io/pab1it0/prometheus-mcp-server:1.6.2)
Transport (differs)	Not stated	stdio
Tools it declares (differs)	Not published	6
Environment variables it asks for (differs)	Not published	14, secrets among them: 2
Licence	MIT	MIT
Repository (differs)	github.com/alexandernicholson/agent-router	github.com/pab1it0/prometheus-mcp-server
Changes in the last 7 days (differs)	2	0
First seen (differs)	2026-10-15	2026-10-11

Lines where the two differ have a tinted background and bold values. No value is marked better or worse: a plugin no marketplace lists any more is shown with its last known data, which we do not rank against current figures.

What to use instead of keepalive

Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.

cache-meter

Gauges how long the conversation's prompt cache stays warm, its hit ratio and misses, and what the next message re-caches once it has gone cold

by HolyGrail · Plugin bundle

Listed on: Community GitHub marketplaces · Describes nearly the same job
cache-keepalive

Keep Claude Code's prompt cache warm across idle pauses. A Stop hook stamps activity and a background Monitor pings the session only after it has been idle long enough (default 50…

by demouo · Plugin bundle

Listed on: Community GitHub marketplaces · Describes nearly the same job
CacheBash

Let your AI sessions talk to each other — messaging, tasks, sessions, and alerts

by feelgreatfoodie · MCP server

Listed on: Official MCP Registry · Describes nearly the same job
SuperLocalMemory

Local-first agent memory + reversible context compression and KV cache, as an MCP server, with optional pictures, PDFs and bot messaging. Serves the 58-tool full profile by…

by Qualixar · Plugin bundle

Listed on: Community GitHub marketplaces · Describes nearly the same job
context-management

Context persistence, restoration, and long-running conversation management

by Seth Hobson · Plugin bundle

Listed on: Community GitHub marketplaces · Describes nearly the same job
smart-compact

Save structured session context before /clear and auto-restore it next session. Smart Compact captures what was done, why, decisions made, problems solved, and next steps — so you…

by Omacatl94 · Plugin bundle

Listed on: Claude Code: claude-plugins-community · Describes nearly the same job

Its card, with similar plugins by marketplace

What each says it does

keepalive

In its own words, on Community GitHub marketplaces:

A prompt cache bar and dashboard for every conversation, subagent and teammate, per-conversation TTLs, and upkeep that keeps an idle cache warm or compacts it.

Prometheus MCP Server

In its own words, on Official MCP Registry:

MCP server providing Prometheus metrics access and PromQL query execution for AI assistants

How to run each

keepalive

No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.

Prometheus MCP Server As a local MCP server: Docker image

Claude Code

claude mcp add --env "PROMETHEUS_PASSWORD=<YOUR_PROMETHEUS_PASSWORD>" --env "PROMETHEUS_TOKEN=<YOUR_PROMETHEUS_TOKEN>" --env "PROMETHEUS_URL=<YOUR_PROMETHEUS_URL>" --transport stdio prometheus-mcp-server -- docker run -i --rm -e PROMETHEUS_PASSWORD -e PROMETHEUS_TOKEN -e PROMETHEUS_URL ghcr.io/pab1it0/prometheus-mcp-server:1.6.2

Requires: PROMETHEUS_PASSWORD (secret), PROMETHEUS_TOKEN (secret), PROMETHEUS_URL

Commands built only from what the marketplaces declare; the full set for every client is on each card.

Tools each declares

The marketplaces of keepalive publish no list of tools, so we do not compare tools.

Settings each asks for

The marketplaces of keepalive publish no settings it asks for, so we do not compare settings.

What it can do: keepalive · What it can do: Prometheus MCP Server · Compare two other plugins

Data comes from public marketplace files in GitHub repositories of their authors. Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Data comes from the Docker MCP Catalog (desktop.docker.com/mcp/catalog) and Docker Hub. Figures come from our own regular passes over the marketplaces, last read on 2026-10-28. We publish no contact details for plugin publishers.