Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| GITHUB_TOKEN | No | GitHub token used for content fetching or other integrations within the Horizon pipeline. | |
| HORIZON_PATH | No | Path to the Horizon repository. The server uses this to locate the Horizon implementation and its data/config.json. If not provided, the server will attempt to discover it in default locations like ./Horizon or ../Horizon. | |
| OPENAI_API_KEY | No | OpenAI API key used for AI-driven tools such as scoring (hz_score_items), enrichment (hz_enrich_items), and summary generation (hz_generate_summary). |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": false
} |
| prompts | {
"listChanged": false
} |
| resources | {
"subscribe": false,
"listChanged": false
} |
| experimental | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| hz_validate_config | 校验 Horizon 配置和关键环境变量。 |
| hz_fetch_items | 抓取并去重内容，写入 run 的 raw 阶段。 |
| hz_score_items | 对指定阶段内容执行 AI 打分，写入 scored 阶段。 |
| hz_filter_items | 按阈值过滤并做主题去重，写入 filtered 阶段。 |
| hz_enrich_items | 对高分内容执行背景富化，写入 enriched 阶段。 |
| hz_generate_summary | 从某阶段内容生成 Markdown 摘要。 |
| hz_run_pipeline | 一键执行抓取->打分->过滤->富化->摘要。 |
| hz_list_runs | 列出最近运行记录与阶段状态。 |
| hz_get_run_meta | 读取指定 run 的元数据。 |
| hz_get_run_stage | 读取指定 run 的某一阶段内容。 |
| hz_get_run_summary | 读取指定 run 的摘要内容。 |
| hz_get_metrics | 读取服务内存指标。 |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
| r_server_info | Server metadata resource. |
| r_metrics | In-memory metrics snapshot. |
| r_runs | Recent run list. |
| r_effective_config | Effective default config resolved from local Horizon path. |