Claude Agent SDK
By Anthropic
What it is
The Claude Agent SDK is Anthropic's library for building AI agents in Python and TypeScript. It gives developers the same tools, agent loop and context management that power Claude Code, including built-in file, command and web tools, hooks, subagents, connections to outside tools and data through MCP, permission controls and sessions.
Description based on code.claude.com, checked Oct 19, 2026. Features and pricing change, so check the vendor's site for current details.
Listed because contractors in our entries used it. Not an endorsement. Commissions and sponsorships never change which tools or entries are listed or their order. Read our disclosure.
Use cases with Claude Agent SDK (1)
Process thousands of utility permit emails with AI agents
Freedom Forever
Freedom Forever, which handles about 5,000 residential solar permits a month, built AI agents to read and act on the flood of utility and municipal permit emails (inspection notices, payment requirements, correction requests, approvals). The agent processed about 19,000 permit emails in its first month and fully handled about 71% without a human, at $0.20-$0.35 per run. A backfill turned up emails that had sat unprocessed for an average of three weeks, which got stalled projects moving again. A second agent validates uploaded utility bills, including photos of paper bills.