mcpcost

io.github.prometheus/prometheus-mcp

Prometheus MCP Server

Is the Prometheus MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-03.

An API-complete MCP server to manage Prometheus-compatible backends.

alive probed 2026-11-14 · unchanged since 2026-11-03

30tools
5.2ktokens in Claude Opus 5.5
2.6 %of Claude's 200k window
2.1×the median server
2.4 sto initialize
3 msto list tools
Run it
docker run -i --rm docker.io/prom/prometheus-mcp:v0.19.0-rc.0 (stdio, probed in a container with the network off)
Host
docker.io
Reports itself as
prometheus-mcp (version=0.19.0-rc.0, branch=HEAD, revision=7c35348e536816c4b793366b0268825dc66b05b1)
Capabilities
extensions, logging, prompts, resources, tools
Instructions
1 979 characters
Of a 1M window
0.5 % of a 1M context window
Count
5.2k tokens in Claude Opus 5.5, exact, measured 2026-11-03. With the Claude Code prefix mcp__…__ on each tool name: 5.6k. The o200k_base estimate is 3.1k. Counted again when the tool definitions change. Method.
Repository
https://github.com/prometheus/prometheus-mcp
Website
https://github.com/prometheus/prometheus-mcp
Registry
active, updated 2026-11-02 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.69×.

Tool≈ Claude tokenso200k estimateShare of this server
range_query52631110 %
label_values4922919 %
delete_series4562709 %
label_names4562709 %
exemplar_query4532689 %

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mcpcost: alive

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

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A mail when this server changes

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.

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