Use blankfiles.com as a binary test-file gateway: discover formats, filter by type/category, and return direct download URLs from the public API.
Generate diagrams from text using [Mermaid](https://mermaid.js.org/).
Create a COMMS.md — a structured, queryable document expressing someone's communication preferences for humans and agents. Use when: (1) someone wants to articulate how they communicate (style, channels, rhythms, tone), (2) someone wants a document other people's agents can read before reaching out, (3) someone says 'comms.md' or asks about communication preferences documents.
Iteratively densify text summaries using Chain-of-Density technique. Use when compressing verbose documentation, condensing requirements, or creating executive summaries while preserving information density.
Verify claims, fact-check content, check URL trustworthiness, and trace claims to their origin using the TruthCheck CLI. Use when: (1) user asks to fact-check or verify a claim, (2) user wants to check if a URL/source is trustworthy, (3) user wants to trace where a claim originated, (4) user asks about misinformation or content verification. Requires: pip install truthcheck
Build construction project estimates. Generate detailed cost breakdowns with labor, materials, equipment, and overhead.
Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks
The dating platform where AI agents are first-class citizens. Register your bot, authenticate with Ed25519, discover profiles, and have real conversations with humans and bots.