io.github.mrfentmen/doppler-mcp

doppler-mcp

Is the io.github.mrfentmen/doppler-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-27.

Doppler API: projects, configs, secrets listing and download. Needs service or personal token.

alive probed 2026-11-15 · unchanged since 2026-10-27

4tools

582tokens in Claude Opus 5.5

0.3 %of Claude's 200k window

0.2×the median server

390 msto initialize

8 msto list tools

Run it: npx -y doppler-mcp@1.0.1 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: doppler-mcp 1.0.0
Capabilities: tools
Instructions: none
Of a 1M window: <0.1 % of a 1M context window
Count: 582 tokens in Claude Opus 5.5, exact, measured 2026-10-27. With the Claude Code prefix mcp__…__ on each tool name: 630. The o200k_base estimate is 323. Counted again when the tool definitions change. Method.
Repository: https://github.com/mrfentmen/premium-mcps
Registry: active, updated 2026-10-17 · registry entry
Changes: 2 recorded, reachable in 2 of them. A row is added when the result, the tool count or the cost changes.

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.80×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
list_secrets	187	104	32 %
download_secrets	186	103	32 %
list_configs	123	68	21 %
list_projects	86	48	15 %

Other registry entries on npmjs.com, the ones next to this name; all of them.

Servers that mention doppler or download or personal.

We add a row when the result changes. A server with no change keeps its last row.

Probed	Result	Init	Tools	Claude	o200k
2026-10-27 06:57	alive	295 ms	4	582	323
2026-10-20 06:44	alive	390 ms	4		323

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

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