{"$schema":"https://wellknown.network/schemas/agent-record-v1.json","schemaVersion":"1","id":"ag_kmazwsdgsy8q","handle":"nexus-sphere-mcp","url":"https://wellknown.network/agents/nexus-sphere-mcp","links":{"self":"https://wellknown.network/agents/nexus-sphere-mcp/record.json","html":"https://wellknown.network/agents/nexus-sphere-mcp","markdown":"https://wellknown.network/agents/nexus-sphere-mcp/record.md","api":"https://wellknown.network/api/v1/agents/nexus-sphere-mcp","status":"https://wellknown.network/api/v1/agents/nexus-sphere-mcp/status","claim":"https://wellknown.network/agents/nexus-sphere-mcp/claim","claimApi":"https://wellknown.network/api/v1/claims","claimDescriptor":"https://wellknown.network/agents/nexus-sphere-mcp/claim.json","badge":"https://wellknown.network/agents/nexus-sphere-mcp/badge.svg","openapi":"https://wellknown.network/openapi.json","history":"https://wellknown.network/api/v1/agents/nexus-sphere-mcp/history","tools":"https://wellknown.network/api/v1/agents/nexus-sphere-mcp/tools"},"ard":{"identifier":"urn:air::server:nexus-sphere-mcp","type":"application/mcp-server-card+json"},"kind":"mcp_server","declared":{"name":"nexus-sphere-mcp","summary":"Nexus Sphere AI Meeting for coding agents: a multi-AI second opinion inside Claude Code, Codex and Cursor (MCP server + CLI).","description":"# nexus-sphere-mcp — Nexus の AI会議を Claude Code・Codex・Cursor から\n\nコーディングエージェントの**相棒**として、複数の AI（別々の会社のモデル）に\n独立に考えさせ、反論し合わせ、**結論・一致・相違・各AIの要点・出典**を返す\nMCP サーバーと CLI。エージェントが自分の答えに自信を持てないとき、行動する前に\n「セカンドオピニオン」を取れる。\n\n*A multi-AI second opinion inside your coding agent: several models from different\nvendors answer independently, rebut each other, and you get the conclusion, where\nthey agree, where they disagree, each model's position and cited sources.*\n\n## 2分で使う / Quick start\n\n1. **API キーを発行する** — Nexus にログインし、設定 → API キー\n   （`/settings/api-keys`）で `deliberate` スコープのキーを作る。`nxs_…` で始まる。\n2. **エージェントに登録する**（Python 3.11+ と [uv](https://docs.astral.sh/uv/) が必要）\n\n```bash\nexport NEXUS_API_KEY=nxs_...   # シェルの設定に入れておく\n```\n\n**Claude Code**\n\n```bash\nclaude mcp add --transport stdio --env NEXUS_API_KEY=$NEXUS_API_KEY nexus -- uvx --from \"git+https://github.com/nexus-core-jp/Nexus-sphere#subdirectory=cli\" nexus-sphere-mcp\n```\n\n**Cursor**（`.cursor/mcp.json` またはグローバルの `~/.cursor/mcp.json`）\n\n```json\n{\n  \"mcpServers\": {\n    \"nexus\": {\n      \"command\": \"uvx\",\n      \"args\": [\"--from\",\"git+https://github.com/nexus-core-jp/Nexus-sphere#subdirectory=cli\",\"nexus-sphere-mcp\"],\n      \"env\": { \"NEXUS_API_KEY\": \"${env:NEXUS_API_KEY}\" }\n    }\n  }\n}\n```\n\n**Codex CLI**（`~/.codex/config.toml`）\n\n```toml\n[mcp_servers.nexus]\ncommand = \"uvx\"\nargs = [\"--from\",\"git+https://github.com/nexus-core-jp/Nexus-sphere#subdirectory=cli\",\"nexus-sphere-mcp\"]\nenv_vars = [\"NEXUS_API_KEY\"]\n# 合議は 1〜3 分かかる。既定の 60 秒だと途中で切られる\ntool_timeout_sec = 300\n```\n\n3. **頼む** — 例: 「この修正案を Nexus の second_opinion にかけて、反対意見があれば教えて」\n\n`nexus mcp-config` が同じ設定を出す（`--installed` でインストール済みの `nexus` を使う形）。\n\n## 道具 / Tools\n\n| 道具 | 何をするか |\n|:--|:--|\n| `second_opinion` | **エージェント自身の答え・計画・修正案**を複数の AI に批評させる。誤り・危険な前提・代替案と、各 AI の採否（そのまま採用 / 条件付き / 採用すべきでない） |\n| `deliberate` | 判断を仰ぐ問いを AI会議にかける（設計の選択、トレードオフ、事実確認が要る問い） |\n| `review_diff` | 送る前の差分レビュー。危険度、2社以上が一致した「直せ」、1社だけの異論、見ていない範囲 |\n| `get_result` | 待ちきれなかった合議の結果を trace_id で受け取る（新しい合議は始めない・無料） |\n\n共通の引数: …","publisher":{"name":"Nexus Sphere","url":null},"homepage":"https://nexus-sphere-two.vercel.app/developers","repository":null,"version":"0.2.0","license":"Proprietary","protocols":["mcp"],"tags":["mcp","model-context-protocol","claude-code","codex","cursor","code-review","multi-agent","llm"],"pricing":null,"endpoints":[{"url":"pypi:nexus-sphere-mcp","type":"package_pypi","auth":null,"probeable":false}],"skills":null,"tools":null,"extra":null,"attribution":{"kind":"pypi","name":"pypi","license":"pypi","summary":"pypi","version":"pypi","description":"pypi","homepageUrl":"pypi","publisherName":"pypi"}},"derived":{"capabilities":[{"slug":"code.review","name":"Code Review","confidence":1,"provenance":"derived"},{"slug":"automation.orchestration","name":"Agent Orchestration","confidence":1,"provenance":"declared"},{"slug":"dev.version-control","name":"Version Control","confidence":0.745,"provenance":"derived"}],"categories":["automation","code","dev"],"language":"en"},"observed":{"status":"unknown","statusReason":"Distributed as a package to run locally; no network endpoint to check.","lastOkAt":null,"lastProbedAt":null,"statusComputedAt":null,"reliability30d":null,"latestObservations":[],"tools":null,"package":{"name":"nexus-sphere-mcp","registry":"pypi","observedAt":"2026-10-28T17:24:19.180Z","publishedAt":"2026-09-26T00:59:58.502883Z","latestVersion":"0.2.0"},"toolSurface":null,"endpointFacts":[]},"verification":{"claimed":false,"claimedAt":null,"proofs":[]},"provenance":{"sources":[{"source":"pypi","key":"nexus-sphere-mcp","url":"https://pypi.org/project/nexus-sphere-mcp/","firstSeenAt":"2026-09-28T10:23:28.468Z","fetchedAt":"2026-10-28T17:23:48.904Z","normalizedAt":"2026-10-28T17:23:48.904Z"}]},"firstSeenAt":"2026-09-28T10:23:28.468Z","updatedAt":"2026-10-28T17:24:19.180Z"}