semantic-code-mcp
by huawang1258
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| SCM_TOP_K | No | 向量召回候选数 | 50 |
| SCM_TOP_N | No | 最终返回结果数 | 10 |
| SCM_WATCH | No | 文件监控：`1` 启用（默认），`0` 禁用 | 1 |
| SCM_DB_DIR | No | 索引数据库存放目录 | ~/.semantic-code-mcp |
| HTTPS_PROXY | No | Cohere API 代理（国内需配） | |
| COHERE_API_KEY | No | 可选 rerank 后备后端；默认用 Voyage rerank-2.5，无需此 key | |
| VOYAGE_API_KEY | Yes | Voyage embedding + rerank（同一个 key 双用） | |
| SCM_EMBED_DTYPE | No | 向量精度：`float`（最高精度）/ `int8`（省 71% 存储） | float |
| SCM_EMBED_MODEL | No | Embedding 模型 | voyage-code-3 |
| SCM_RERANK_MODEL | No | 按后端默认：voyage → `rerank-2.5`，cohere → `rerank-v3.5` | |
| SCM_EMBED_BACKEND | No | Embedding 后端：voyage（默认）或 local | voyage |
| SCM_MAX_WORKSPACES | No | 最大同时管理的工作区数（LRU 淘汰） | 8 |
| SCM_RERANK_BACKEND | No | rerank 后端：`auto`（有 VOYAGE key 用 Voyage，其次 Cohere）/ `voyage` / `cohere` / `off` | auto |
| SCM_EMBED_CHAR_BUDGET | No | 单批最大字符数（未绑卡时可调小） | 200000 |
| SCM_EMBED_CONCURRENCY | No | 索引时 embedding 并发请求数（实测 3 路≈提速 3 倍） | 3 |
| SCM_EMBED_MAX_RETRIES | No | API 限流/错误时自动重试次数 | 4 |
| SCM_EMBED_MIN_INTERVAL | No | 请求最小间隔秒数（未绑卡 3 RPM 限制时设 `21`） | 0 |
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 |
|---|---|
| codebase_searchA | 语义检索代码库，返回最相关的代码片段。 Args: information_request: 自然语言查询，例如"用户登录鉴权逻辑在哪里" directory_path: 要检索的代码库绝对路径 top_n: 可选，返回结果数（0 = 用默认值 SCM_TOP_N，默认 10） path_filter: 可选，文件路径过滤；含通配符按 glob 匹配（如 "*.java"、"/service/"）， 否则按路径子串匹配（如 "controller"） include_related: 可选，是否附带 call graph 关联块（调用者/被调用者），默认 True |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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