数据安装
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- 26 条
档案由构建时根据 SKILL.md 与安装命令自动衍生,可能与作者实际意图存在差异。
需要注意: 未限定 allowed-tools,默认拥有全部工具权限。
---
name: agentcore-investigation
description: Investigate Bedrock AgentCore runtime sessions via CloudWatch Logs Insights — resolve session/tr…
category: AI 智能
runtime: 无特殊运行时
---
# agentcore-investigation 输出预览
## PART A: 任务判断
- 适用问题:提示词、Agent 工作流、模型评估或自动化推理。
- 输入要求:目标材料、限制条件、期望输出和验收方式。
- 证据边界:围绕“Reference Files / MCP: / [otel-span-schema.md](references/otel-span-schema.md)”读取原文规则,不把推断写成作者承诺。
## PART B: 执行结果
- **01** 任务判断:确认你的需求是否属于提示词、Agent 工作流、模型评估或自动化推理,并标出输入、限制和预期结果。
- **02** 执行计划:优先按“Reference Files / MCP: / [otel-span-schema.md](references/otel-span-schema.md)”拆成步骤,说明每一步会读取什么、修改什么、产出什么。
- **03** 交付结果:给出可复制的命令、文件改动、检查清单或内容草稿,并说明如何继续迭代。
- **04** 风险边界:结合 读取文件、写入/修改文件、执行终端命令、主要在本地完成、通常不需要额外 API Key 给出执行前确认项。
## Running Rules
- 读取文件、写入/修改文件、执行终端命令;主要在本地完成;通常不需要额外 API Key。
- 先小样例验证,再放大到真实任务。
- 交付时同时给结果、检查口径和下一步迭代建议。 原文出现了 `/aws`、`/pattern`、`/error`、`/tool`、`/input_tokens` 这类斜杠命令;如果你的 Agent 支持命令触发,优先用命令开场,再补充目标和边界。
告诉 Agent 目标文件或材料、期望结果、不可改范围、是否允许联网或执行命令。本 Skill 的权限画像是:读取文件、写入/修改文件、执行终端命令。
先用一个小任务确认它会围绕“Reference Files / MCP: / [otel-span-schema.md](references/otel-span-schema.md)”工作;涉及文件或命令时,先看 diff、日志、预览或测试结果。
检查最终产物是否包含明确结果、必要证据和下一步动作;如果输出泛泛而谈,就补充输入、边界和验收标准后重跑。
---
name: agentcore-investigation
description: Investigate Bedrock AgentCore runtime sessions via CloudWatch Logs Insights — resolve session/tr…
category: AI 智能
source: awslabs/mcp
---
# agentcore-investigation
## 什么时候使用
- 把 AI / Agent方向的常用动作沉淀成 Agent 可调用的技能 适合处理AI Agent、提示词、模型评估与自动化推理,核心价值是把输入、判断、执行、验证和交付边界固定下来,避免 Agent 泛泛回答。 把任务拆成可执行、可检查…
- 面向提示词、Agent 工作流、模型评估或自动化推理,优先处理能明确输入、步骤和验收标准的工作。
## 需要提供什么
- 目标材料、目录范围、期望结果和不可改动内容。
- 是否允许联网、执行命令、读写文件或调用外部服务。
## 执行规则
- 围绕「Reference Files / MCP: / [otel-span-schema.md](references/otel-span-schema.md)」组织步骤,不把推断写成作者事实。
- 读取文件、写入/修改文件、执行终端命令;主要在本地完成;通常不需要额外 API Key。
- 先跑小样例,确认结果可检查后再扩大任务范围。
## 输出要求
- 给出最终产物、关键证据、验证方式和下一步动作。
- 信息不足时标记 unknown,不编造命令、平台或依赖。 作者原文负责流程事实;仓库文件负责来源和命令;流狐只补充适用场景、限制和质量判断。
skill "agentcore-investigation" {
输入层 -> 用户目标 + 目标文件 + 禁止范围 + 验收标准
上下文层 -> Reference Files / MCP: / [otel-span-schema.md](references/otel-span-schema.md)
规则层 -> SKILL.md 触发条件 / 执行顺序 / 输出格式
运行层 -> 无特殊运行时 | 读取文件、写入/修改文件、执行终端命令 | 主要在本地完成
安全层 -> 通常不需要额外 API Key + 小任务验证 + diff / 日志复核
输出层 -> 可复制结果 + 检查清单 + 下一步迭代
} AgentCore Runtime Session Investigation
Investigate AgentCore runtime sessions by querying CloudWatch Logs Insights, filtering OpenTelemetry noise, and producing structured investigation output.
Key capabilities:
- Session-to-trace resolution via OTEL span correlation
- Structured and glob-style parse queries for both dedicated and combined log groups
- OpenTelemetry noise filtering with AgentCore-specific heuristics
- Timeline construction with T+offset format
- Error, tool invocation, token usage, and latency analysis
Reference Files
Load these files as needed for detailed guidance:
MCP:
mcp-setup.md
When: ALWAYS load before starting an investigation — ensures CloudWatch and Application Signals MCP servers are configured Contains: MCP server configuration for CloudWatch Logs and Application Signals, with setup instructions for Claude Code, Gemini, Codex, and Kiro CLI
.mcp.json
When: Load when setting up MCP servers for the first time Contains: Sample MCP configuration with both CloudWatch and Application Signals servers
otel-span-schema.md
When: ALWAYS load before querying or filtering OTEL spans Contains: Field extraction priorities, known instrumentation scopes, noise filtering heuristics (DROP/KEEP patterns)
Phase 0: SessionId-to-TraceId Resolution
When the user provides a sessionId, resolve it to traceId(s) first. If user provides traceId directly, skip this phase.
Discovery Query (structured fields)
fields traceId, @timestamp
| filter attributes.session.id = "SESSION_ID"
| stats count(*) as spanCount, min(@timestamp) as firstSeen, max(@timestamp) as lastSeen by traceId
| sort firstSeen asc
Discovery Query (combined log group — glob-style parse)
fields @timestamp, @message
| parse @message '"traceId":"*"' as traceId
| parse @message '"session.id":"*"' as sessionId
| filter sessionId = "SESSION_ID" or @message like "SESSION_ID"
| stats earliest(@timestamp) as firstSeen, latest(@timestamp) as lastSeen, count(*) as spanCount by traceId
| sort firstSeen asc
| limit 50
Latest Interaction Only
fields traceId
| filter attributes.session.id = "SESSION_ID"
| sort @timestamp desc
| limit 1
Store discovered traceId(s) and use them in ALL subsequent queries.
Phase 1: Discover Log Groups
Use describe_log_groups with logGroupNamePrefix /aws/bedrock-agentcore/runtimes to find all runtime log groups.
Log group naming patterns (in priority order):
- /aws/bedrock-agentcore/runtimes/<agent_id>-<endpoint_name>/otel-rt-logs (structured OTEL spans)
- /aws/bedrock-agentcore/runtimes/<agent_id>-<endpoint_name>/[runtime-logs] (stdout/stderr)
- /aws/bedrock-agentcore/runtimes/<agent_id>-<endpoint_name>-DEFAULT (single combined group)
Log Group Layouts
AgentCore runtimes always emit OTEL spans. Some deployments split logs into a dedicated otel-rt-logs sub-group; others write everything into a single combined log group. Both are normal.
| Log Group Layout | Query Strategy |
|---|---|
Dedicated otel-rt-logs exists |
Use structured field queries (traceId, attributes.session.id, etc.) |
| Single combined log group | Try structured fields first — if they return 0 results, use glob-style parse @message |
If a dedicated otel-rt-logs group exists, prefer it for structured queries.
Parse Syntax Guidance
When using parse @message on combined log groups, prefer glob-style parse — it is simpler and avoids escaping issues:
| parse @message '"name":"*"' as spanName
| parse @message '"traceId":"*"' as traceId
| parse @message '"startTimeUnixNano":"*"' as startNano
Regex parse (/pattern/) is valid CloudWatch Logs Insights syntax but requires careful escaping of quotes and special characters inside JSON. If glob-style parse extracts the field you need, use it.
Phase 2: Query CloudWatch Logs Insights
Run all 6 query types for a complete investigation. Each query has a structured version (for dedicated otel-rt-logs) and a glob-style parse version (for combined log groups).
Query Size Limits
Every query MUST include | limit to prevent context window overflow:
- Session overview:
| limit 50 - Span details:
| limit 100 - Errors:
| limit 50 - Tool invocations:
| limit 100 - Token usage:
| limit 50 - Latency outliers:
| limit 20
Query 1: Session Overview
Structured:
fields @timestamp, traceId, spanId, parentSpanId, name, scope.name,
attributes.session.id, attributes.gen_ai.operation.name, attributes.gen_ai.agent.name,
startTimeUnixNano, endTimeUnixNano
| filter traceId = "TRACE_ID"
| sort startTimeUnixNano asc
| limit 50
Combined log group:
fields @timestamp, @message
| filter @message like "TRACE_ID"
| parse @message '"name":"*"' as spanName
| parse @message '"traceId":"*"' as traceId
| parse @message '"spanId":"*"' as spanId
| parse @message '"startTimeUnixNano":"*"' as startNano
| parse @message '"endTimeUnixNano":"*"' as endNano
| sort @timestamp asc
| limit 50
Query 2: Span Details with Duration
Structured:
fields @timestamp, traceId, spanId, parentSpanId, name, scope.name,
startTimeUnixNano, endTimeUnixNano,
(endTimeUnixNano - startTimeUnixNano) / 1000000 as durationMs,
status.code, attributes.gen_ai.operation.name
| filter traceId = "TRACE_ID"
| filter ispresent(startTimeUnixNano)
| sort startTimeUnixNano asc
| limit 100
Combined log group:
fields @timestamp, @message
| filter @message like "TRACE_ID"
| parse @message '"name":"*"' as spanName
| parse @message '"spanId":"*"' as spanId
| parse @message '"parentSpanId":"*"' as parentSpanId
| parse @message '"startTimeUnixNano":"*"' as startNano
| parse @message '"endTimeUnixNano":"*"' as endNano
| parse @message '"statusCode":"*"' as statusCode
| sort @timestamp asc
| limit 100
Query 3: Errors
Structured:
fields @timestamp, traceId, spanId, name, status.code, status.message,
attributes.error.message, attributes.exception.message, attributes.exception.type
| filter traceId = "TRACE_ID"
| filter status.code = 2 OR ispresent(attributes.error.message) OR ispresent(attributes.exception.message)
| sort @timestamp asc
| limit 50
Combined log group:
fields @timestamp, @message
| filter @message like "TRACE_ID"
| filter @message like /ERROR|exception|Exception|fault|STATUS_CODE_ERROR/
| parse @message '"name":"*"' as spanName
| parse @message '"statusCode":"*"' as statusCode
| parse @message '"startTimeUnixNano":"*"' as startNano
| sort @timestamp asc
| limit 50
Query 4: Tool Invocations
Structured:
fields @timestamp, traceId, spanId, name, scope.name,
attributes.gen_ai.operation.name, attributes.tool.name,
startTimeUnixNano, endTimeUnixNano,
(endTimeUnixNano - startTimeUnixNano) / 1000000 as durationMs
| filter traceId = "TRACE_ID"
| filter attributes.gen_ai.operation.name = "execute_tool" OR ispresent(attributes.tool.name) OR name like /tool/
| sort startTimeUnixNano asc
| limit 100
Combined log group:
fields @timestamp, @message
| filter @message like "TRACE_ID"
| filter @message like /tool|execute_tool|function_call/
| parse @message '"name":"*"' as spanName
| parse @message '"startTimeUnixNano":"*"' as startNano
| parse @message '"endTimeUnixNano":"*"' as endNano
| parse @message '"statusCode":"*"' as statusCode
| sort @timestamp asc
| limit 100
Query 5: Token Usage
Structured:
fields @timestamp, traceId, spanId, name,
attributes.gen_ai.usage.input_tokens, attributes.gen_ai.usage.output_tokens,
attributes.gen_ai.usage.total_tokens, attributes.gen_ai.agent.name
| filter traceId = "TRACE_ID"
| filter ispresent(attributes.gen_ai.usage.total_tokens)
| sort @timestamp asc
| limit 50
Combined log group:
fields @timestamp, @message
| filter @message like "TRACE_ID"
| filter @message like /input_tokens|output_tokens|usage/
| parse @message '"name":"*"' as spanName
| parse @message '"gen_ai.usage.input_tokens"' as hasTokens
| sort @timestamp asc
| limit 50
Query 6: Latency Outliers
Structured:
fields @timestamp, traceId, spanId, name,
(endTimeUnixNano - startTimeUnixNano) / 1000000 as durationMs
| filter traceId = "TRACE_ID"
| filter ispresent(endTimeUnixNano)
| sort durationMs desc
| limit 20
Combined log group:
fields @timestamp, @message
| filter @message like "TRACE_ID"
| parse @message '"name":"*"' as spanName
| parse @message '"startTimeUnixNano":"*"' as startNano
| parse @message '"endTimeUnixNano":"*"' as endNano
| sort @timestamp asc
| limit 50
Queries are async — use get_logs_insight_query_results to poll until status is Complete.
Phase 3: Filter OTEL Noise
See otel-span-schema.md for extraction rules, known scopes, and DROP/KEEP heuristics.
After retrieving query results:
- Count total results received
- Remove entries matching DROP patterns (count removed)
- Keep entries matching KEEP patterns
- Log: "Filtered: {total} → {kept} spans ({removed} noise entries dropped)"
Phase 4: Build Timeline
Compute relative offsets from the earliest span's startTimeUnixNano:
[T+0ms] Session started — traceId: abc123
[T+45ms] LLM inference — model: anthropic.claude-v3 — 1,200ms
[T+1,250ms] Tool call: search_documents — 340ms
[T+1,600ms] Tool result: 3 documents found
[T+1,650ms] LLM inference — model: anthropic.claude-v3 — 890ms
[T+2,550ms] Response generated — 200 OK
[T+2,600ms] Session ended — total: 2,600ms
Error Handling
| Situation | Action |
|---|---|
| No log groups found | Ask user for log group name or AWS region |
| Query returns 0 results | Widen time range to ±24h, retry. If still empty, try alternate ID fields |
| Session ID not found | Try filtering by requestId, invocationId, traceId variants |
| Query timeout | Use cancel_logs_insight_query, reduce time range, retry |
| Partial results | Note in output, suggest narrower time window |
| Structured field queries return 0 results | Switch to glob-style parse @message queries (see Parse Syntax Guidance) |
先判断是否适合
作者设计意图
作者的方法与取舍
边界和复核