About

Imported from joelhooks/joelclaw (skills/langfuse/SKILL.md). Install upstream with npx skills add joelhooks/joelclaw --skill langfuse. Copyright stays with the author.

Langfuse — decommissioned 2026-07-09

Name: langfuse
Author: joelhooks

Langfuse is gone. It was never migrated to Flagg, its traces API 429'd/422'd under real query load (2026-07 backup/self-healing token-drain post-mortem), and every code path was removed from this repo (grep -ri langfuse packages/ apps/ returns zero).

Where usage observability lives now

CLI: joelclaw usage --hours 24 [--source router|agents|all] [--model X] [--machine Y] [--json]
Query layer: packages/system-bus/src/lib/clickhouse-usage-query.ts over ClickHouse joelclaw.otel_events
Router usage: model_router.result events carry a full usage object in metadata_json (fixed by passing --mode json to pi in inference.ts)
Agent sessions: passive tailers (packages/system-bus/src/lib/agent-usage/) parse Pi/Claude Code/Codex transcripts into agent_usage.turn events every 15 min (system/agent-usage.scan)
Pricing: packages/system-bus/src/lib/model-pricing.ts — provider-reported cost wins; OpenRouter public pricing is the benchmark fallback (pricing data only, never an inference path)
Daily report: daily-token-usage-report.ts reads ClickHouse directly

Residue

pi/extensions/langfuse-cost still exists but degrades to disabled telemetry (fails soft, by design). Superseded by the agent-usage tailers; removal is a pending follow-up.
LANGFUSE_* secrets in the secrets store are unused and can be revoked.

Project receipts: .brain/projects/agent-usage-observability-2026-07-09.svx.

Use it

Copy one of these into your project. Installing also returns the manifest and these snippets.

yaml

targets:
  - https://api.opensmartroute.ai/api/v1/registry/joelhooks-joelclaw-langfuse/manifest   # or paste the manifest below

Manifest

An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.

joelhooks-joelclaw-langfuse.ocm.jsonjson

{
  "ocm": "1",
  "id": "joelhooks-joelclaw-langfuse",
  "kind": "skill",
  "name": "langfuse",
  "description": "Langfuse was decommissioned on 2026-07-09 — do not add Langfuse tracing or query Langfuse for usage/cost. Use this skill only to learn where usage observability lives now. Token usage and cost questions route to `joelclaw usage` and ClickHouse otel_events.",
  "publisher": "joelhooks",
  "version": "1.0.0",
  "capabilities": {
    "domains": [
      "data_analysis",
      "math"
    ],
    "tags": [
      "skill-md",
      "observability",
      "decommissioned",
      "skills-sh"
    ],
    "languages": [
      "en"
    ]
  },
  "quality_prior": 0.6,
  "examples": [
    "Langfuse was decommissioned on 2026-07-09 — do not add Langfuse tracing or query Langfuse for usage/cost. Use this skill only to learn where usage observability lives now. Token usage and cost questions route to `joelclaw usage` and ClickHouse otel_events."
  ],
  "primary": false,
  "metadata": {
    "source": {
      "provider": "skills.sh",
      "repository": "https://github.com/joelhooks/joelclaw",
      "path": "skills/langfuse/SKILL.md",
      "ref": "HEAD",
      "url": "https://github.com/joelhooks/joelclaw/blob/HEAD/skills/langfuse/SKILL.md",
      "key": "joelhooks/joelclaw/skills/langfuse/SKILL.md"
    }
  },
  "instructions": "# Langfuse — decommissioned 2026-07-09\n\nLangfuse is gone. It was never migrated to Flagg, its traces API 429'd/422'd under real query load (2026-07 backup/self-healing token-drain post-mortem), and every code path was removed from this repo (`grep -ri langfuse packages/ apps/` returns zero).\n\n## Where usage observability lives now\n\n- **CLI:** `joelclaw usage --hours 24 [--source router|agents|all] [--model X] [--machine Y] [--json]`\n- **Query layer:** `packages/system-bus/src/lib/clickhouse-usage-query.ts` over ClickHouse `joelclaw.otel_events`\n- **Router usage:** `model_router.result` events ",
  "cost": {
    "context_tokens": 376
  }
}

Fetch it by URL: GET /api/v1/registry/joelhooks-joelclaw-langfuse/manifest?version=1.0.0

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