Agent-ready build and test tooling
315 verified build and test tooling sites, 152 of them transactable — every one probed live, with the date it was checked. Figures generated 27 Sep 2026 06:32 UTC
Checks passed across the 344 probed hosts: Markdown negotiation 274 · Markdown twin at a predictable URL 235 · llms.txt 317 · API catalog 57 · MCP server card answers 280.
✓Recursive Language Model (RLM) hotcopy.ai
HotCopy.ai offers a managed recursive AI coding CLI with parallel agent swarms, no context limits, and persistent memory for coding tasks.
✓rstream rstream.io
rstream provides a connectivity stack for private environments with outbound tunnels, identity, access policy, and connection logs managed at the edge.
✓Tool Index toolindex.net
Tool Index is a quality-gated directory offering searchable catalogs, comparisons, and editorial guides for AI, SaaS, and developer tools.
✓Nylas CLI cli.nylas.com
Nylas CLI is a free, open-source command-line tool for managing email, calendars, contacts, and AI agent inboxes across multiple providers.
✓Hacktron Docs docs.hacktron.ai
Hacktron provides AI-powered security code reviews with per-PR and whitebox scan modes, plus a REST API for programmatic access.
✓Tembo Docs docs.tembo.io
Documentation for Tembo, a tool to run coding agents across repos, tickets, and tools with full visibility.
✓All Tools Hub all-tools.app
A collection of free browser-based developer utilities with REST API endpoints and agent protocol support.
✓Flare api.docs.flare.io
Flare API documentation provides guides, SDKs, CLI tools, and references for accessing search, monitoring, and event export features.
✓Zapster API developer.zapsterapi.com
Zapster API documentation provides guides on sending messages, configuring webhooks, CLI usage, and API concepts including tokens and rate limits.
✓0 Finance Docs docs.0.finance
Documentation for 0 Finance CLI, a programmable bank account for managing finances via command line.
✓Agentkube docs.agentkube.com
Agentkube is an AI-powered Kubernetes IDE that automates cluster management and simplifies operations for developers and DevOps teams.
✓Agentset docs.agentset.ai
Documentation site for Agentset, a RAG-as-a-service platform for developers building AI applications.
✓ascii docs.ariana.dev
Documentation for installing Box CLI, onboarding, and starting a cloud sandbox with a free trial.
✓ascii docs.ascii.dev
Documentation for installing Box CLI, onboarding, creating cloud sandboxes, and using the ascii.dev API.
✓Blocks Documentation docs.blocks.team
Documentation for Blocks, a software factory integrating coding agents into developer tools like GitHub, GitLab, Slack, and Linear.
✓Bugster docs.bugster.dev
Documentation for Bugster CLI, an AI-powered tool for generating and maintaining automated tests for Next.js and React applications.
✓bunny.net Documentation docs.bunny.net
Technical documentation providing quickstarts, API references, CLI guides, integrations, and platform-specific developer resources for bunny.net services.
✓CodeCrafters docs.codecrafters.io
CodeCrafters provides documentation on challenges, CLI usage, billing, forum access, and profile management.
✓CodeRabbit docs.coderabbit.ai
Documentation for CodeRabbit providing AI code reviews, triage, security scans, and integrations with IDEs, CLI, Slack, and Git platforms.
✓Cogniscape docs.cogniscape.app
Documentation for Cogniscape, a knowledge graph capturing development workflow data from multiple sources via webhooks and CLI.
✓CoreStory Docs docs.corestory.ai
CoreStory Documentation provides guides and playbooks for using AI to reverse-engineer specifications from source code and make codebases queryable.
✓T3 Foundation docs.deneyapkart.org
Documentation site for T3 Deneyap Kart development boards, IDE, block coding, projects, and modules with community resources.
TR✓Devin Docs docs.devin.ai
Documentation for Devin, an AI software engineer that writes, runs, and tests code to assist engineering teams.
✓Devin Docs docs.devinenterprise.com
Devin Docs provides documentation for Devin, an AI software engineer that automates coding tasks and integrates with developer workflows.
✓Diversion Documentation docs.diversion.dev
Documentation for Diversion, a version control system designed for large-scale projects with massive binary files, supporting installation, CLI, and collaboration workflows.
More in Developer APIs & infrastructure: payments · e-signatures · AI agents · conversational and voice AI · generative media · blockchain and web3 · email and messaging · search and data APIs · analytics and observability · databases and storage · cloud and hosting · security and identity · extensions and plugins · embedded devices and firmware · programming languages and frameworks · SDKs and API clients · developer platforms · ecommerce infrastructure