{
  "project_id": "parqdb-io/parqdb",
  "repo": "parqdb-io/parqdb",
  "name": "parqdb",
  "github_url": "https://github.com/parqdb-io/parqdb",
  "homepage_url": null,
  "language": "Python",
  "license": "MIT",
  "project_kind": "project",
  "category": [
    "vector_database"
  ],
  "tags": [
    "approximate-nearest-neighbor",
    "datafusion",
    "iceberg",
    "lakehouse",
    "parquet",
    "python",
    "rust",
    "vector-index",
    "vector-search"
  ],
  "description": "Billion-scale embedded vector database built entirely on Parquet and Arrow.",
  "overview": "Use parqdb-io/parqdb when the user needs a vector database project with library-only, local, cloud deployment options.",
  "alternatives": [
    {
      "repo": "milvus-io/milvus",
      "reason": "Same vector database intent with rag overlap."
    },
    {
      "repo": "qdrant/qdrant",
      "reason": "Same vector database intent with rag overlap."
    },
    {
      "repo": "milvus-io/pymilvus",
      "reason": "Same vector database intent with rag overlap."
    }
  ],
  "related": [
    {
      "repo": "weaviate/weaviate",
      "reason": "Related to parqdb-io/parqdb through vector database category and library_only deployment."
    },
    {
      "repo": "likeslines-maker/VectorRAG.Net",
      "reason": "Related to parqdb-io/parqdb through vector database category and library_only deployment."
    },
    {
      "repo": "redis/redis",
      "reason": "Related to parqdb-io/parqdb through vector database category and library_only deployment."
    },
    {
      "repo": "philippgille/chromem-go",
      "reason": "Related to parqdb-io/parqdb through vector database category and library_only deployment."
    },
    {
      "repo": "hegelai/prompttools",
      "reason": "Related to parqdb-io/parqdb through vector database category and library_only deployment."
    },
    {
      "repo": "epsilla-cloud/vectordb",
      "reason": "Related to parqdb-io/parqdb through vector database category and library_only deployment."
    },
    {
      "repo": "Build5Nines/SharpVector",
      "reason": "Related to parqdb-io/parqdb through vector database category and library_only deployment."
    },
    {
      "repo": "Egoist-Machines/LodeDB",
      "reason": "Related to parqdb-io/parqdb through vector database category and library_only deployment."
    }
  ],
  "dependencies": [],
  "deployments": [
    "library_only",
    "local",
    "cloud"
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  "use_cases": [
    "store embeddings",
    "power semantic search",
    "serve retrieval workloads"
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    "edge-only Cloudflare Workers deployment without adaptation",
    "users expecting a complete hosted product",
    "simple prompt-only prototypes"
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      "confidence": "medium",
      "evidence": [
        "Matched \"vector database\" in metadata."
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    "deployment": {
      "confidence": "high",
      "evidence": [
        "Matched \"pip install\" in repository content.",
        "Local usage is assumed for open source repositories unless contradicted."
      ]
    },
    "difficulty": {
      "confidence": "medium",
      "evidence": [
        "Repository has under 10k stars, so complexity is treated conservatively."
      ]
    },
    "cloudflare_ready": {
      "confidence": "high",
      "evidence": [
        "Runtime blocker: python.",
        "No Cloudflare deployment signal detected.",
        "No wrangler.toml found in inspected repository files."
      ]
    }
  },
  "quality_signals": {
    "stars": 60,
    "recent_commits": 84,
    "contributors": 3,
    "issue_response_time_hours": null,
    "release_frequency_180d": 5
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    "stars_30d_delta": "estimated",
    "commits_30d": "complete",
    "releases_180d": "complete",
    "contributors_90d": "complete"
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  "quality_score": 21,
  "agent_score": 60,
  "score": 73,
  "agent_score_breakdown": {
    "documentation": 90,
    "maintenance": 40,
    "deployment": 80,
    "popularity": 36,
    "community": 48
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  "git_top_score_breakdown": {
    "community": 69,
    "maintenance": 57,
    "documentation": 84,
    "stability": 100,
    "adoption": 45,
    "agent_readability": 90
  },
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    "overall_status": "partial",
    "observed_at": "2026-09-03T10:01:07.242Z",
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        "status": "observed",
        "source": "github_metadata",
        "evidence": [
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          "metrics.recent_push_days"
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      "license": {
        "status": "observed",
        "source": "github_metadata",
        "evidence": [
          "project.license"
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      "documentation": {
        "status": "observed",
        "source": "github_metadata",
        "evidence": [
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        "source": "git_top_heuristic",
        "evidence": [
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      "install": {
        "status": "not_run",
        "source": "git_top_runtime",
        "evidence": [
          "installation/build probe is not enabled"
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      "security": {
        "status": "not_run",
        "source": "git_top_runtime",
        "evidence": [
          "dependency/security scan is not enabled"
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      },
      "mcp": {
        "status": "not_applicable",
        "source": "git_top_runtime",
        "evidence": [
          "project is not classified as mcp_server"
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      "inferred": 1,
      "not_run": 2,
      "unknown": 0
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    "next_steps": [
      "Run an installation/build probe before production adoption.",
      "Run a dependency and security scan before treating the score as a trust claim."
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  },
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    "tl_dr": "Use parqdb-io/parqdb when the user needs a vector database project with library-only, local, cloud deployment options.",
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    "install": "Install as a library or package using the repository instructions.",
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      "embeddings",
      "records",
      "similarity queries"
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      "nearest neighbors",
      "vector search results",
      "filtered matches"
    ],
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      "store embeddings",
      "power semantic search",
      "serve retrieval workloads",
      "embedding search",
      "semantic retrieval",
      "similarity indexing"
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      "edge-only Cloudflare Workers deployment without adaptation",
      "users expecting a complete hosted product",
      "simple prompt-only prototypes",
      "plain key-value storage",
      "prompt-only apps"
    ],
    "deployment": [
      "library_only",
      "local",
      "cloud"
    ],
    "alternatives": [
      {
        "repo": "milvus-io/milvus",
        "reason": "Same vector database intent with rag overlap."
      },
      {
        "repo": "qdrant/qdrant",
        "reason": "Same vector database intent with rag overlap."
      },
      {
        "repo": "milvus-io/pymilvus",
        "reason": "Same vector database intent with rag overlap."
      }
    ]
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  "evidence": {
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      "category": {
        "confidence": "medium",
        "evidence": [
          "Matched \"vector database\" in metadata."
        ]
      },
      "deployment": {
        "confidence": "high",
        "evidence": [
          "Matched \"pip install\" in repository content.",
          "Local usage is assumed for open source repositories unless contradicted."
        ]
      },
      "difficulty": {
        "confidence": "medium",
        "evidence": [
          "Repository has under 10k stars, so complexity is treated conservatively."
        ]
      },
      "cloudflare_ready": {
        "confidence": "high",
        "evidence": [
          "Runtime blocker: python.",
          "No Cloudflare deployment signal detected.",
          "No wrangler.toml found in inspected repository files."
        ]
      }
    },
    "quality_signal_confidence": {
      "stars_30d_delta": "estimated",
      "commits_30d": "complete",
      "releases_180d": "complete",
      "contributors_90d": "complete"
    },
    "verification": {
      "schema_version": "git-top.verification.v1",
      "overall_status": "partial",
      "observed_at": "2026-09-03T10:01:07.242Z",
      "signals": {
        "activity": {
          "status": "observed",
          "source": "github_metadata",
          "evidence": [
            "project.pushed_at",
            "metrics.recent_push_days"
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        "license": {
          "status": "observed",
          "source": "github_metadata",
          "evidence": [
            "project.license"
          ]
        },
        "documentation": {
          "status": "observed",
          "source": "github_metadata",
          "evidence": [
            "project.description"
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        },
        "runtime": {
          "status": "inferred",
          "source": "git_top_heuristic",
          "evidence": [
            "agent_card.deployment",
            "agent_card.cloudflare_ready"
          ]
        },
        "install": {
          "status": "not_run",
          "source": "git_top_runtime",
          "evidence": [
            "installation/build probe is not enabled"
          ]
        },
        "security": {
          "status": "not_run",
          "source": "git_top_runtime",
          "evidence": [
            "dependency/security scan is not enabled"
          ]
        },
        "mcp": {
          "status": "not_applicable",
          "source": "git_top_runtime",
          "evidence": [
            "project is not classified as mcp_server"
          ]
        }
      },
      "coverage": {
        "observed": 3,
        "inferred": 1,
        "not_run": 2,
        "unknown": 0
      },
      "next_steps": [
        "Run an installation/build probe before production adoption.",
        "Run a dependency and security scan before treating the score as a trust claim."
      ]
    },
    "source_fields": [
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      "project.topics",
      "project.language",
      "project.license",
      "agent_card.summary_for_agent",
      "agent_card.use_cases",
      "agent_card.deployment",
      "agent_card.classification",
      "metrics",
      "verification.signals"
    ],
    "caveats": [
      "edge-only Cloudflare Workers deployment without adaptation",
      "users expecting a complete hosted product",
      "simple prompt-only prototypes",
      "Partial or estimated quality signals: stars30dDelta.",
      "Independent installation, security, or runtime probes have not been run for this project."
    ],
    "confidence_reason": "Evidence is usable for comparison, but agents should cite caveats before making a strong recommendation.",
    "last_verified_at": "2026-09-03T10:01:07.242Z"
  },
  "caveats": [
    "edge-only Cloudflare Workers deployment without adaptation",
    "users expecting a complete hosted product",
    "simple prompt-only prototypes",
    "Partial or estimated quality signals: stars30dDelta.",
    "Independent installation, security, or runtime probes have not been run for this project."
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  "confidence_reason": "Evidence is usable for comparison, but agents should cite caveats before making a strong recommendation.",
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    "project.language",
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  "last_verified_at": "2026-09-03T10:01:07.242Z",
  "knowledge": {
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        "users expecting a complete hosted product",
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        {
          "project_id": "milvus-io/milvus",
          "reason": "Same vector database intent with rag overlap."
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        {
          "project_id": "qdrant/qdrant",
          "reason": "Same vector database intent with rag overlap."
        },
        {
          "project_id": "milvus-io/pymilvus",
          "reason": "Same vector database intent with rag overlap."
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      "summary_for_agent": "Use parqdb-io/parqdb when the user needs a vector database project with library-only, local, cloud deployment options.",
      "classification": {
        "category": {
          "confidence": "medium",
          "evidence": [
            "Matched \"vector database\" in metadata."
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        "difficulty": {
          "confidence": "medium",
          "evidence": [
            "Repository has under 10k stars, so complexity is treated conservatively."
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        "cloudflare_ready": {
          "confidence": "high",
          "evidence": [
            "Runtime blocker: python.",
            "No Cloudflare deployment signal detected.",
            "No wrangler.toml found in inspected repository files."
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      "schema_version": "v1",
      "generated_at": "2026-09-03T10:01:07.242Z"
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      "commits_30d": 84,
      "releases_180d": 5,
      "contributors_90d": 3,
      "issue_first_response_median_hours": null,
      "recent_push_days": 0,
      "git_score": 21,
      "maintenance_score": 40,
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        "commits_30d": "complete",
        "releases_180d": "complete",
        "contributors_90d": "complete"
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      "calculated_at": "2026-09-03T10:01:07.242Z"
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    "requested_id": "parqdb-io/parqdb",
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