Browser-Native Utilities

Stack

The stack I reach for: stateless, browser-native utilities to design schemas, audit changes, package directories, and compile flowcharts offline. Lean on the plate and Hero of Alexandria will explain the oldest automation trick in the book.

Plate · hero_automataLIVE
He programmed in string and pegs.
hover to listen
Figure · hero_automata

A program written in gears, pegs, and string. Wind the drum, and the little cart moves itself along its track. The oldest automation there is, running on nothing but patience and brass.

MODULE // 01Live · Tessera

Secret Shape Scanner

Detect secrets by shape, not just by key name, and redact them in place. A browser preview of the Tessera config pack.

100% Client-Side
Launch Console ➔
pip install tesserakit-config
MODULE // 02Live · Tessera

SQL Migration Safety

Catch DELETE and UPDATE without WHERE, DROP without IF EXISTS, and unsafe NOT NULL columns. Preview of the Tessera sql pack.

100% Client-Side
Launch Console ➔
pip install tesserakit-sql
MODULE // 03Live · Tessera

GitHub Actions Linter

Find the pull_request_target RCE combo, unpinned actions, write-all tokens, and script injection. Preview of the Tessera gha pack.

100% Client-Side
Launch Console ➔
pip install tesserakit-gha
MODULE // 04Live · Tessera

API Surface Mapper

Map curl commands and HTTP traces into a clean endpoint surface, with tokens and auth headers redacted first. Preview of the Tessera api pack.

100% Client-Side
Launch Console ➔
pip install tesserakit-api
MODULE // 05Live · Tessera

OpenAPI Linter

Catalog every operation and catch missing or duplicate operationIds, undocumented endpoints, and missing success responses. Pairs with API Surface Mapper: curl traces in, spec quality out. Preview of the Tessera openapi pack.

100% Client-Side
Launch Console ➔
pip install tesserakit-openapi
MODULE // 06Live · Tessera

Dependency Auditor

Flag unpinned versions, open ranges, duplicates, and version conflicts across pip, npm, cargo, and go manifests in one report. Preview of the Tessera deps pack.

100% Client-Side
Launch Console ➔
pip install tesserakit-deps
MODULE // 07Live · Tessera

Workflow Governance Check

Validate a JobPack workflow's review gates, recursion fence, and evidence policy against Tessera's governance schema, the same TOCTOU and promotion-without-review checks a real deploy gate would run.

100% Client-Side
Launch Console ➔
pip install tesserakit-workflow
MODULE // 08Live · Tessera

Skill Catalog Validator

Catalog SKILL.md files and catch missing triggers, name collisions, and description overlap that would cause a silent misfire under an agent.

100% Client-Side
Launch Console ➔
pip install tesserakit-skills
MODULE // 09Live · Tessera

Recipe Dependency Graph

Validate a multi-step recipe's dependency graph for cycles, dangling references, and unreachable steps, then compute the topological execution order.

100% Client-Side
Launch Console ➔
pip install tesserakit-recipes
MODULE // 010Live · Tessera

Repo Hygiene Map

Map a file listing into a language breakdown and flag missing README, LICENSE, tests, or CI config. Distinct from Repo ➔ Context Pack below, this audits hygiene rather than aggregating content.

100% Client-Side
Launch Console ➔
pip install tesserakit-repo
MODULE // 011PyPI · v0.4.0

Terminology Drift

Extracts a project's vocabulary from its docs and flags terminology drift. Ships as a CLI pack, not a browser demo.

pip install tesserakit-glossary
View on PyPI ➔
MODULE // 012PyPI · v0.4.0

Prompt Pack Validator

Compiles a messy prompt collection into validated, reviewable assets. Ships as a CLI pack, not a browser demo.

pip install tesserakit-prompts
View on PyPI ➔
MODULE // 013PyPI · v0.4.0

RAG Corpus Validator

Validates a corpus + queries pairing into a retrieval eval dataset: structural checks only, no LLM calls, no execution. Ships as a CLI pack, not a browser demo.

pip install tesserakit-rag
View on PyPI ➔
MODULE // 014Live Demo

Prompt ➔ JSON Schema

Convert raw prose specifications into typed, structured output JSON schemas and matching examples.

100% Client-Side
Launch Console ➔
MODULE // 015Local Prototype

Change ➔ HITL Checklist

Analyze codebase modifications to estimate risks, touchpoints, and output review check checklists.

100% Client-Side
Launch Console ➔
MODULE // 016Local Prototype

CSV ➔ Eval Dataset

Convert tabular query-response CSV outputs into RAG assertion evaluation packets. A browser preview of the Tessera evals pack.

100% Client-Side
Launch Console ➔
pip install tesserakit-evals
MODULE // 017Local Prototype

Notes ➔ PDF Brief

Format messy chat history or your stream of thought into structured briefs for printing.

100% Client-Side
Launch Console ➔
MODULE // 018Local Prototype

Repo ➔ Context Pack

Aggregate multi-file configurations and source blocks into structured XML contexts.

100% Client-Side
Launch Console ➔
MODULE // 019Live Demo

Workflow ➔ Diagram

Compile transition actions and process steps into dynamically rendered Mermaid flowcharts.

100% Client-Side
Launch Console ➔
MODULE // 020Live · LanguageOps

AI Writing Pattern Check

Check a draft against LanguageOps' free deterministic registry for formulaic, AI-associated writing patterns. Nothing is rewritten.

Live Network Call
Launch Console ➔