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RAGMedium 12 min· claude-opus-4-1

Re-ranker layer

Adds Cohere rerank between retrieval and generation.

Read the full RAG build guide →
NOT DEPLOYEDNOT DEPLOYED
0169ms
Trigger
cron(0 7 * * *) fired · every day · 07:00
021189ms
Agent
claude-opus-4-1 · in 1689 tok · out 728 tok
03179ms
Tools
postgres-mcp/anthropic:messages.create → 200 OK · 69ms
0459ms
Verify
schema check · zod v3 passed
0589ms
Output
12 chunks embedded · pgvector upsert
0649ms
Notify
audit log written · runbook link attached
SUCCESS
0%
0 runs
P50
0ms
median
P95
0ms
tail
AVG COST
per run
LAST OK
never
LAST FAIL
never
none
Latency · last 30 runs0 samples
no runs yet
Latest output · what your users see
RAG index · helpdesk-2026
chunks
37
faithfulness
0.97
recall
0.89
Q: How do I rotate a secret without restarting the loop?
A: Call `locker rotate <name>` — running loops pick up the new value on their next tick via the signed refresh channel.
// press Test to run once · Watch live to keep streaming · Deploy to make it real
The problem

Naive RAG embarrasses you in front of users — irrelevant chunks, no citations, drift.

The outcome

A measurable, evaluable RAG pipeline with cited answers and a quality dashboard.

Ingredients & skills

Secrets
  • ANTHROPIC_API_KEY
  • DATABASE_URL
Providers
  • Anthropic
  • Lovable Cloud
MCP servers
  • postgres-mcp
  • fetch-mcp
#rag#embeddings#rerank

How it works

Adds Cohere rerank between retrieval and generation.

Step 1

1 — Index

Chunk → embed → upsert into pgvector with a metadata JSON column.

Step 2

2 — Retrieve

Top-k vector + filter on metadata. Optional rerank pass.

Step 3

3 — Answer

Claude answers using only retrieved chunks. Empty retrieval ⇒ 'I don't know'.

One-line deploy

The button above runs the same command with your saved config. This is the raw CLI form.

bash
npx claudeloops deploy re-ranker-layer

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