Observability plugins

Claude Code and Codex plugins their authors filed under "observability". All categories.

Track Claude Code usage, rejections, and session stats in one dashboard.

hooks

fcakyon/claude-codex-settings 1,209

Search logs, metrics, and traces and build OpenObserve dashboards via curl.

1 skill

fcakyon/claude-codex-settings 1,209

pup

claudecodex

Datadog API CLI with 49 command groups, 300+ subcommands. Skills and domain agents for monitoring, logs, APM, security, and infrastructure.

13 skills · 51 agents

DataDog/pup 1,043

A personal flight recorder for Claude Code quality: records your own per-session failure rate, edit churn, and tokens/task by model version, and flags real shifts when a model changes.

1 skill · hooks

karanb192/claude-code-hooks 581

CLAUDE.md compliance scorecard: tallies which rules Claude actually follows vs ignores as you edit, and flags chronically-ignored rules to promote into a deterministic hook.

1 skill · hooks

karanb192/claude-code-hooks 581

Durable markdown log of every session (cwd, git repo, files touched, secret-redacted bash commands), appended async so logging never blocks Claude.

hooks

karanb192/claude-code-hooks 581

UModel

claude

Use UModel from your agent: read entities, relationships, topology, and the model itself; discover and follow entity-linked RunbookSet Skills; and run model-guided root-cause analysis. Bundles three UModel skills.

3 skills

alibaba/UnifiedModel 458

19 skills: Costs, DORA, SLOs, chaos, scorecards, audits, OPA policies, IDP, SEI analytics and deployment risk insights.

74 skills

harness/harness-skills 134

save-toolkit

claudecodex

Application-engineering and site-reliability agents and reusable skills.

25 skills · 1 command · 9 agents · hooks

using-system/otelyssey 127

oddyssey

claudecodex

CLI toolbox for Observability-Driven Development (ODD): coding agents observe local runs on an OpenTelemetry/Grafana stack - or remote ones on any OpenTelemetry backend - and feed the next spec-driven improvement loop.

9 skills · 7 commands · 4 agents · 1 MCP server · hooks

using-system/otelyssey 127

observe-lens

claudecodex

Read-only investigation skills across CI pipelines (Jenkins, GitHub Actions), CD (Argo CD, Flux, Helm, Kubernetes), databases (PostgreSQL, MySQL, MongoDB) and telemetry (Grafana, Loki, Tempo, Prometheus).

5 skills

using-system/otelyssey 127

vigil

claude

Observability & reliability engineer — monitoring, alerting, SRE, incident response, SLOs

5 skills · 1 agent

tonone-ai/tonone 77

Oncall

claude

Oncall for @Claude Tag in Slack — watches the team's alert channels and sorts signal from noise, investigates incidents and customer-reported problems, posts sitreps and postmortems, runs the rotation handoff, and drafts fixes for a person to approve.

6 skills

anthropics/claude-tag-plugins 77

Datadog

claude

Access Datadog logs, metrics, monitors, dashboards, SLOs, events, traces, and incidents.

1 skill

anthropics/claude-tag-plugins 77

Grafana

claude

Access Grafana dashboards, datasource queries, alerts, annotations, and folders.

1 skill

anthropics/claude-tag-plugins 77

Add Arize AX observability to LLM applications — auto-instrumentation, trace export, dataset management, experiment workflows, prompt optimization, deep linking, and migrations from Langfuse, LangSmith, and Braintrust via the ax CLI.

18 skills

Arize-ai/arize-skills 72

Observability hooks, protocol enforcement, and the thoughtbox CLI

1 MCP server · hooks

Kastalien-Research/thoughtbox 66

Automatic tracing of Claude Code sessions to Arize AX or Phoenix with OpenInference spans

1 skill · hooks

Arize-ai/coding-harness-tracing 64

Observability and platform-engineering extras: Prometheus/Grafana, Kubecost, Velero backup/restore, Karpenter autoscaling, Backstage developer portal, and Kubernetes network policy/zero-trust.

16 skills

selvarajmurugesan90/ops-engineering-skills 44

A Claude plugin to use Datadog directly through its APIs with code generation support

2 skills · 48 agents

DataDog/datadog-api-claude-plugin 42

ac-audit

claude

Tool audit logging - JSONL audit trail and real-time systemMessage display

1 skill · hooks

WaterplanAI/agentic-config 31

opik

claude

All the tooling you need to add observability to Claude Code and your agents

10 skills · 2 commands · 1 agent · hooks

comet-ml/opik-claude-code-plugin 25

Query Langfuse traces for debugging LLM calls, analyzing token usage, and investigating workflow executions

1 skill

alberduris/skills 25

Automatically trace Claude Code conversations to Braintrust. Captures user messages, assistant responses, and tool calls for observability.

hooks

braintrustdata/braintrust-claude-plugin 21

oddyssey

claudecodex

CLI toolbox for Observability-Driven Development (ODD): coding agents observe local runs on an OpenTelemetry/Grafana stack - or remote ones on any OpenTelemetry backend - and feed the next spec-driven improvement loop.

9 skills · 7 commands · 4 agents · 1 MCP server · hooks

using-system/oddyssey 10

forge

claude

Trace Claude Code sessions with CoreWeave Forge AgentLens for observability and debugging

3 skills · hooks

wandb/forge-claude-code 9

forge

claude

Trace every Claude Code session on this machine with CoreWeave Forge AgentLens.

3 skills · hooks

wandb/forge-agent-lens-for-claude-code 9

forge

claude

Trace every Claude Code session on this machine with CoreWeave Forge AgentLens.

3 skills · hooks

coreweave/forge-agent-lens-for-claude-code 9

langfuse

claudecodex

General-purpose Langfuse integration for data exploration, dashboard management, prompt versioning, datasets, and experiments.

28 skills · 5 agents

Alex-Kopylov/zweihander 8

Track Claude Code's 5-hour session usage from local JSONL and pause tool calls before hitting the limit.

1 skill · hooks

Star001-KR/claude-session-budget 8