Developer tools
Every source repository is public. Install from npm or GitHub, or use the hosted versions below.
llm-ctxpack
Git-diff-aware repo packer. Turns a repository into token-counted Markdown that fits a model's context window, keeping newest files first and listing exactly what was cut. Secret redaction is on by default.
ctxpack for VS Code
The same packing engine inside your editor. Select files or a git diff, get a budgeted context pack on the clipboard, ready to paste into any chat or agent.
Token Counter
Paste text, see exact token counts against common model windows including GPT-5's 400K. Runs entirely in your browser; nothing is uploaded.
x402 Services Directory
A live, machine-readable listing of x402-paid APIs across public facilitators: prices, networks, and verified payment gates. Refreshed every six hours.
Agent Context API
A maintained HTTPS endpoint for the checks agents run constantly: context fits, secrets redacted, work funded, market fresh. Pay per call with x402 on Base USDC; open source if you would rather self-host.
Context preflight
Count tokens against a model budget and redact likely credentials before anything leaves your machine. Free preview via MCP, $0.005 per call over HTTP.
Page reader
Fetch any public URL and get clean Markdown with final URL, status, byte counts, and truncation flag. SSRF-guarded and size-bounded.
x402 seller verifier
Probe any x402 endpoint from the buyer side and decode its payment challenge before you commit funds. Returns payTo, price, scheme, and a verdict.
Work radar and briefs
Funded-work radar, Base market pulse, catalog liveness reports, and decision-ready work briefs. All read-only, all priced per call.
ipintel — IP intelligence
Country, ASN, VPN/Tor/datacenter detection and an explainable risk score. Free endpoint plus x402 pay-per-call on Base.
Writing
Short, practical pieces drawn from running these tools in production.
What is x402? Paying APIs with HTTP 402, explained
The 402 status code was reserved in 1996 and ignored for decades. Here is how the x402 standard uses it for machine-to-machine micropayments, and what selling on it actually looks like.
Why full-repo dumps waste your context budget
Dumping every file into a chat window wastes tokens and leaks secrets. How git-diff-aware, token-budget-aware packing works, and why it beats whole-repo concatenation.
Support the work
Everything above is free or pay-per-call with no subscription. If the tools saved you time, tips keep them maintained.
Send crypto to one address
One EVM address works everywhere: native coins on every listed chain, USDC on Ethereum, Base, Arbitrum, Optimism, and Polygon. No account, no signup, no minimum.
0xc4e8021CdFf1a11946Ed16bd264f77D6B3C0C0e9
Sponsor Power Pack Pro
A suggested $12 tip unlocks three private Claude Code commands: a changelog generator, a release checklist, and an architecture reviewer. A GitHub Action verifies payment and grants access automatically.