mcpcost

dev.mcpnav/directory

mcpnav directory

Search a directory of MCP servers and get connect configs. Data is CC0/MIT-licensed.

alive probed 2026-10-05 · HTTP 200

4tools
875tokens in Claude Opus 5.5
903tokens in Claude Code
0.4 %of a 200k context window
512o200k_base estimate
532 msto initialize
406 msto list tools
Endpoint
https://mcp.mcpnav.dev/mcp (streamable-http)
Host
mcp.mcpnav.dev
Protocol
2025-11-25
Reports itself as
mcpnav 1.0.0
Capabilities
tools
Instructions
308 characters
Claude count
Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
Website
https://mcpnav.dev
Registry
active, updated 2026-09-24 · registry entry
Reachable
6 of the last 6 probes

Most expensive tools

ToolTokens (o200k)Share of this server
search_servers19638 %
get_connect_config15129 %
get_server11422 %
list_groups5110 %

History

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

ProbedResultInitToolsClaudeo200k
2026-10-05 13:59alive532 ms4875512
2026-10-05 00:24alive220 ms4512
2026-10-04 10:00alive457 ms4512
2026-10-04 07:53alive412 ms4512
2026-10-03 20:33alive377 ms4512
2026-10-03 17:50alive583 ms4512

Badge and feed

mcpcost: alive

[![mcpcost](https://mcpcost.ulehla.dev/badge/dev.mcpnav/directory.svg)](https://mcpcost.ulehla.dev/s/dev.mcpnav/directory)

An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.