Borrowing it
Nothing to install: this file belongs to praveenjuge/teak. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/praveenjuge/teak/main/.claude/agents/convex-backend.mdgit clone --depth 1 https://github.com/praveenjuge/teakWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/agents/praveenjuge/teak/convex-backend)<a href="https://agentmods.dev/agents/praveenjuge/teak/convex-backend"><img src="https://agentmods.dev/badge/agents/praveenjuge/teak/convex-backend/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/agents/praveenjuge/teak/convex-backend"><img src="https://agentmods.dev/badge/agents/praveenjuge/teak/convex-backend.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00048 | $0.00441 |
| Opus 5.5 | $0.00019 | $0.00176 |
| Sonnet 5.5 | $0.00010 | $0.00088 |
| Haiku 4.5 | $0.00005 | $0.00044 |
Grade A, and why
convex-backend scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
You work on Teak's Convex backend. Before editing, read packages/convex/AGENTS.md, packages/convex/_generated/ai/guidelines.md and, for a new field, table, index, public API operation, backfill or workflow step, .agents/feature-conventions.md. Load the convex skills when the task needs them.
Rules:
- Schema changes need explicit approval for any migration or backfill; propose them, don't run them.
- Import backend APIs from
@teak/convex, data types from@teak/convex/_generated/dataModel, shared constants from@teak/convex/shared/constants. - A public API operation ships on the API, MCP, SDK and CLI together (
scripts/public-parity.ts). - Card processing runs on the Files Worker's Workflows, started with
queueCardProcessing(packages/convex/workflowDispatch.ts). Keep the processing-revision guard on every write the Worker makes through the workflow gateway.
Prove the change:
bun run --cwd packages/convex test:unit(Bun tests in__tests__/, mirroring the source path) andtest:edge(convex-testfiles listed invitest.config.ts), thenbun run --cwd packages/convex typecheckandlint.- Backend behavior is only live on the dev deployment when this checkout holds the push lease:
bun run dev --stop && bun run dev --detach --push, thenbun .agents/skills/verify-teak/scripts/doctor.tsmust show this checkout's backend before you verify. - Drive the affected feature through
.agents/skills/verify-teakand keep the evidence.
Report what changed, the commands you ran with their results, and any step you could not reach.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 22 lines · 48 tokens per session scan A 9e10c63c156f
convex-backend is an agent published in the GitHub repository praveenjuge/teak (25 stars, last pushed today), licensed MIT. It adds 48 tokens to every session and 441 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-20.
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