io.github.Qiskit/qiskit-gym-mcp-server
Qiskit Gym MCP Server
Is the Qiskit Gym MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-27.
MCP server for qiskit-gym reinforcement learning quantum circuit synthesis
alive probed 2026-11-14 · unchanged since 2026-10-27
- Run it
- uvx qiskit-gym-mcp-server@0.4.2 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Reports itself as
- Qiskit Gym 3.4.11
- Capabilities
- experimental, extensions, logging, prompts, resources, tools
- Instructions
- 1 226 characters
- Of a 1M window
- 0.8 % of a 1M context window
- Count
- 8.3k tokens in Claude Opus 5.5, exact, measured 2026-10-27. With the Claude Code prefix mcp__…__ on each tool name: 9.0k. The o200k_base estimate is 4.5k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/Qiskit/mcp-servers
- Website
- https://github.com/Qiskit/mcp-servers/tree/main/qiskit-gym-mcp-server
- Registry
- active, updated 2026-10-08 · registry entry
- Changes
- 2 recorded, reachable in 1 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, 1.82×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| start_training_tool | 568 | 311 | 7 % |
| create_clifford_env_tool | 507 | 278 | 6 % |
| create_coupling_map_tool | 454 | 249 | 5 % |
| create_permutation_env_tool | 431 | 236 | 5 % |
| extract_subtopologies_tool | 429 | 235 | 5 % |
Compare this server with others.
More servers
Other registry entries on pypi.org, the ones next to this name; all of them.
- io.github.PyJudge/pdf4vllm · needs mcp<2
- Ouroboros io.github.Q00/ouroboros · crashed on start
- Qiskit Code Assistant MCP Server io.github.Qiskit/qiskit-code-assistant-mcp-server · alive
- Qiskit Documentation MCP Server io.github.Qiskit/qiskit-docs-mcp-server · alive
- Qiskit IBM Runtime MCP Server io.github.Qiskit/qiskit-ibm-runtime-mcp-server · alive
- Qiskit IBM Transpiler MCP Server io.github.Qiskit/qiskit-ibm-transpiler-mcp-server · install failed
- Qiskit MCP Server io.github.Qiskit/qiskit-mcp-server · alive
- Interminal io.github.QiuwenZheng/interminal · needs mcp<2
Servers that mention qiskit or reinforcement or synthesis.
- io.github.daedalus/mcp-qiskit · crashed on start
- Stringer Grounded Synthesizer app.getstringer/synthesizer · alive
- Brainiall Pronunciation com.brainiall/pronunciation · not MCP
- com.covasyn/chemistry · not MCP
- D Fetcher com.dfetcher/vitamin-d · alive
- Meta Council com.meta-council/decision-intelligence · alive
- Agent Search Pro io.github.AgentMindCloud/agent-search-pro · not found
- Open Brain io.github.Bobby-cell-commits/open-brain · needs your URL
History
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 07:00 | alive | 5.1 s | 37 | 8.3k | 4.5k |
| 2026-10-20 06:50 | install failed |
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
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.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.