Upload a local file to tmpfiles.org using Python standard library only, then return a direct download link in strict JSON.

Color palette extractor — extract dominant colors from an image (PNG/JPEG/GIF). Use when you need a color palette for design or analysis. Pure stdlib, no LLM.

JWT inspector — decode JSON Web Tokens and inspect header, payload, claims, expiration. Use when you need to debug or audit JWTs. Pure stdlib, no LLM. **No s...

Markdown link auditor — find broken internal links, flag dead external links (HEAD requests), report orphan pages. Use when you maintain docs. Pure stdlib +...

Full-featured X (Twitter) assistant — search, post with media, thread, DM, Lists, bookmarks, trends, articles, block/mute, and more. Pure Python stdlib.

Fetch complete Amazon product data including title, current price, currency, star rating, review count, availability, main image, and product URL. Works from...

CSS specificity calculator — compute (a, b, c) specificity for any CSS selector. Handles :is(), :not(), :where(), combinators, attribute selectors. Use when...

Image metadata stripper — remove EXIF, GPS, camera info, and other metadata from JPEG/PNG/GIF images. Use when you publish photos and want to remove PII. Pur...

Regex visualizer — parse any regex and visualize its structure (groups, quantifiers, anchors, character classes). Use when you need to understand or document...

Formats SQL queries with uppercase keywords, consistent indentation, aligned clauses, and preserved string literals for improved readability.

Normalize URLs by lowercasing host, sorting parameters, stripping tracking, default ports, and normalizing percent-encoding for SEO and comparison.

Local CSV / TSV / JSONL inspection and cleanup toolkit. Profile, validate, deduplicate, diff, preview (head/tail/random sample), filter with a safe predicate...

Local HTTP client + tiny server toolkit for AI agents. GET / POST / PUT / PATCH / DELETE with retries on 5xx/429, gzip decoding, redirect following, --bearer...

Local JSON / JSONL inspection and manipulation toolkit. Inspect deeply nested structures (path tree, types, sample values per path), query with a jq-style pa...

Local log file inspection and analysis toolkit. Parse common log formats (apache-common, apache-combined, nginx-access, syslog, JSON-line) or custom regex wi...

Local text cleanup and inspection toolkit. Extract structured items (URLs, emails, phones, IPs, dates, hashtags, money), redact PII (email/phone/credit-card-...

Analyze agent run logs for errors, token spikes, and failures. Stdlib, offline.

CNexus 2.0 — local personal second brain. 6-step cognitive loop, memory graph, JSON persistence, one-click clear. Python stdlib + static UI.

Validate and diagnose a scheduled-task file for an agent (parse errors, unsafe cmds). Stdlib.

Generate and edit images with Gemini API using pure Python stdlib. Zero dependencies - works on locked-down environments where pip/uv aren't available.

JSON query, validate, diff, transform, format, flatten, and stats toolkit with a jq-like interface. Uses Python stdlib only — no external dependencies. Use w...

Control Lovense toys (Lush, Hush, Nora, Solace, ...) over the local network from the shell. Zero-dependency Python stdlib CLI, Game Mode (LAN), no cloud or A...

Diff two agent capability manifests and report what changed (caps/deps/status). Stdlib.

Lint, check, and auto-fix Markdown files — table of contents, broken links, YAML frontmatter validation, and formatting. Zero dependencies (Python stdlib).

Review coding work for the smallest correct implementation, reuse, stdlib/native features, and dependency restraint.

Lightweight anti-infinite-loop guard for LLM agents — healing > kill, predictive, zero-dep, 9 layers of protection. Standalone package (stdlib + numpy option...

Lightweight anti-infinite-loop guard for LLM agents — healing > kill, predictive, zero-dep, 9 layers of protection. Standalone package (stdlib + numpy option...

Skill dependency checker. Scan Python skills for external dependencies. Verify stdlib-only compliance, check individual files or entire skill directories. No...

Find the LLM call you didn't need — your GPT call is a regex. Static, zero-config linter that flags unnecessary GPT/Claude/AI API calls a regex, the stdlib,...

Lazy senior dev mode for any coding task (write, refactor, fix, review): YAGNI, stdlib first, no unrequested abstractions. Not for non-coding requests.

Audit the whole repo for over-engineering. A ranked list of what to delete, simplify, or replace with stdlib or native features.

Review a diff for over-engineering. Finds what to delete: reinvented stdlib, needless deps, speculative abstractions. One line per finding.

Lint prompts/SKILL.md for quality (role, goal, output format, vague verbs, jailbreak phrases). Stdlib.

Render parameterized prompt templates from a catalog ({{var}} fill). Stdlib.

Composite quality score (A-F) for an OpenClaw/Hermes skill package. Stdlib.

Validate a ClawHub/OpenClaw skill folder before publishing (frontmatter, shape, size). Stdlib.

Fetch and save web content using only Python stdlib with URL and path validation, basic HTML-to-markdown conversion, and no API keys or external dependencies.

IBAN validator — check IBAN format and mod-97 checksum for 100+ countries. Use when you need to validate international bank account numbers. Pure stdlib, no...

iFlytek Image Understanding (图片理解) — analyze and answer questions about images using Spark Vision model. WebSocket API, pure Python stdlib, no pip dependencies.

Generate a Table of Contents from Markdown headings. Pure Python stdlib, no deps.