mcpcost

com.useretainer/tools

Retainer: consulting tools

Free tools for consultants: stakeholder maps, rates, capacity, client profitability, follow-ups.

alive probed 2026-10-05 · HTTP 200

5tools
2.5ktokens in Claude Opus 5.5
2.5ktokens in Claude Code
1.2 %of a 200k context window
1.4ko200k_base estimate
1.2 sto initialize
92 msto list tools
Endpoint
https://useretainer.com/mcp/ (streamable-http)
Host
useretainer.com
Protocol
2025-11-25
Reports itself as
retainer 1.1.0
Capabilities
tools
Instructions
559 characters
Claude count
Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
Website
https://useretainer.com/ai-connector/
Registry
active, updated 2026-10-04 · registry entry
Reachable
2 of the last 2 probes

Most expensive tools

ToolTokens (o200k)Share of this server
calculate_consulting_rate35825 %
map_stakeholders33123 %
check_capacity26118 %
find_neglected_relationships25118 %
rank_client_profitability23016 %

History

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

ProbedResultInitToolsClaudeo200k
2026-10-05 13:49alive1.2 s52.5k1.4k
2026-10-05 00:22alive226 ms51.4k

Badge and feed

mcpcost: alive

[![mcpcost](https://mcpcost.ulehla.dev/badge/com.useretainer/tools.svg)](https://mcpcost.ulehla.dev/s/com.useretainer/tools)

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.