---
title: "Inspect D1 availability, project counts, and sync freshness."
method: GET
path: "/api/health"
---

# Inspect D1 availability, project counts, and sync freshness.

`GET /api/health`

## Request

- Base URL: `https://git.top`
- URL: `https://git.top/api/health`
- Auth: none declared

## Response `200`

Health response

- HealthResponse: Health and source-preflight response. Agents should inspect db, metadata.source, sync_freshness, and project counts before trusting recommendations.
  - `ok` boolean, required
  - `db` 'available' | 'missing' | 'error', required
  - `project_count` integer, required
  - `raw_project_count` integer, required
  - `knowledge_ready_project_count` integer, required
  - `sync_health` string, required
  - `sync_freshness` string, required
  - `last_successful_sync_at` string, date-time, nullable
  - `hours_since_successful_sync` number, nullable
  - `operational_storage` object
    - `status` 'healthy' | 'warning' | 'critical' | 'unknown'
    - `github_cache_entries` integer
    - `github_cache_body_bytes` integer
    - `github_cache_max_entries` integer
    - `github_cache_retention_entries` integer
    - `github_cache_body_budget_bytes` integer
    - `utilization` number
    - `star_snapshot_count` integer
    - `sync_run_count` integer
    - `governance_run_count` integer
    - `project_change_count` integer
    - `feedback_proposal_count` integer
  - `metadata` Metadata, required: Common provenance envelope for agent-facing responses. Agents should require source=d1 for high-confidence production claims and disclose seed fallback.
    - `source` 'd1' | 'seed'
    - `reason` string
    - `project_count` integer
    - `generated_at` string, date-time
    - `snapshot_id` string: Stable identity for the corpus snapshot used by this response.
    - `latest_synced_at` string, date-time, nullable
    - `schema_version` 'git-top.knowledge.v1'
    - `loaded_project_limit` integer: Maximum D1 knowledge or search-candidate rows loaded into the bounded ranking set when present.
    - `truncated` boolean: Whether the D1-backed ranking or candidate set reached its limit and may omit additional matching rows.
    - `candidate_retrieval` 'd1_first': Search-only marker indicating that deterministic filters and broad query matching ran in D1 before TypeScript ranking.
    - `candidate_count` integer: Number of D1 search candidates passed to the authoritative TypeScript filter and ranking stage.
    - `candidate_limit` integer: Maximum number of D1 search candidates passed to the ranking stage.
    - `warnings` string[]: Fallback, count, freshness, or trust caveats that agents should account for before citing results.

---

[API](https://skmtc.dev/git/apis/git-top-agent-api.md) · [All operations](https://skmtc.dev/git/apis/git-top-agent-api/llms.txt) · [OpenAPI document](https://skmtc.dev/git/apis/git-top-agent-api/revisions/c9ebf661ef6d?raw)