io.github.capsolver-ai/capsolver-mcp
capsolver
MCP Server for CapSolver - captcha-solving capabilities for AI agents
alive probed 2026-10-15
5tools
2.4ktokens in Claude Opus 5.5
2.5ktokens in Claude Code
1.2 %of a 200k context window
1.4ko200k_base estimate
3.1 sto initialize
6 msto list tools
- Run it
- uvx capsolver-mcp==0.1.3 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- capsolver 1.30.0
- Capabilities
- experimental, prompts, resources, tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/capsolver-ai/capsolver-mcp
- Website
- https://capsolver.com
- Registry
- active, updated 2026-09-18 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| solve_captcha | 736 | 53 % |
| solve_on_page | 323 | 23 % |
| detect_captchas | 177 | 13 % |
| get_balance | 95 | 7 % |
| get_supported_captchas | 66 | 5 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.capsolver-ai/capsolver-mcp)
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.