memtrace-api-topology

分类: 开发与编程 | 上传者: syncable-dev | 下载: 0 | 版本: v1.0（最新）

当用户询问 API 端点、HTTP 路由、服务到服务调用、微服务依赖项、API 拓扑、哪些服务调用哪些服务、跨存储库依赖项或想要了解代码库的 API 表面时使用

更新日志: Source: GitHub https://github.com/syncable-dev/memtrace-public

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当前层级: tree/main/plugins/memtrace-skills/skills/memtrace-api-topology/

📄 SKILL.md 2.6 KB

SKILL.md

---
name: memtrace-api-topology
description: "Use when the user asks about API endpoints, HTTP routes, service-to-service calls, microservice dependencies, API topology, which services call which, cross-repo dependencies, or wants to understand the API surface of a codebase"
---

## Overview

Map the HTTP API surface of a codebase — exposed endpoints, outbound HTTP calls, and cross-repo service-to-service dependency graphs. Supports auto-detection for Express, Encore, NestJS, Axum, FastAPI, Flask, Gin, Spring Boot, and more.

## Quick Reference

| Tool | Purpose |
|------|---------|
| `find_api_endpoints` | All exposed HTTP endpoints (GET /users, POST /orders, etc.) |
| `find_api_calls` | All outbound HTTP calls (fetch, axios, reqwest, etc.) |
| `get_api_topology` | Cross-repo call graph: which service calls which endpoint |
| `link_repositories` | Manually link repos for cross-repo edge detection |

> **Parameter types:** MCP parameters are strictly typed. Numbers (`limit`, `depth`, `min_size`, `last_n`, etc.) must be JSON numbers — not strings. Use `limit: 20`, never `limit: "20"`. Passing a string yields `MCP error -32602: invalid type: string, expected usize`.


## Steps

### 1. Discover endpoints

Use `find_api_endpoints`:
- `repo_id` — required
- Returns: method, path, handler function, framework detected

### 2. Discover outbound calls

Use `find_api_calls`:
- `repo_id` — required
- Returns: target URL/path, HTTP method, calling function, library used (fetch, axios, reqwest, etc.)

### 3. Map service topology

Use `get_api_topology` to see the cross-repo HTTP call graph:
- Which services call which endpoints
- Confidence scores for each detected link
- Service-to-service dependency direction

**Prerequisite:** Multiple repos must be indexed. If cross-repo links aren't appearing, use `link_repositories` to explicitly connect them.

### 4. Deep-dive into an endpoint

For any specific endpoint, use `get_symbol_context` with the endpoint's symbol ID to see:
- Which internal functions handle the request
- Which processes (execution flows) include this endpoint
- Which external services call this endpoint

## Common Mistakes

| Mistake | Reality |
|---------|---------|
| Expecting cross-repo links with only one repo indexed | Index ALL related services first; cross-repo HTTP edges are linked automatically after indexing |
| Missing endpoints from custom frameworks | Memtrace auto-detects major frameworks; for custom routers, the endpoints may appear as regular functions |
| Not using `link_repositories` | If auto-linking missed a connection, use this to manually establish cross-repo edges |

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memtrace-api-topology

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SKILL.md

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