--- title: "Custom agent use cases: 12 real examples" canonical: "https://agenticfeats.com/agents/custom-agent/" receipts: 12 shown: 8 page: 1 pages: 1 --- > From Agentic Feats: sourced examples of AI agents at work. Map of the site for agents: https://agenticfeats.com/llms.txt # Custom agent use cases: 12 real examples Agentic Feats lists 12 sourced examples of Custom agent in real work; 8 link the artifact; most common job types: coding (3), ops and IT (3). Newest first. ## Feats, newest first - [Persistent-identity Claude Code agent](https://agenticfeats.com/c/persistent-identity-claude-code-agent.md) (Claude Code, Custom agent; Shown; 2026-10-13): The author built Instar, a framework giving Claude Code persistent memory, identity and safety gates, so the agent runs jobs and email on its own. Result: Four months in, the agent remembers over 470 people and 51 agents across 13 platforms, and collaborated on an open source project unnoticed. - [Daily planning agent across work tools](https://agenticfeats.com/c/daily-planning-agent-across-work-tools-custom-agent.md) (Custom agent; Shown; 2026-10-13): The author built Plan My Today, a read-only agent and MCP server that pulls tasks from many work tools and prioritizes them for the day. Result: A dashboard and chatbot that merge tasks from calendar, mail, Linear, GitHub, Slack and meeting notes into one scored, prioritized view the author uses daily. - [Agent researches its own competitors](https://agenticfeats.com/c/agent-researches-its-own-competitors-custom-agent.md) (Custom agent; Numbers; 2026-10-13): Daemora, a self-hosted agent, searched Reddit, HN, Twitter and review sites unprompted and wrote a competitor analysis and go-to-market plan from one task. Result: It wrote a 3,000 word document with competitor pain points, 40 named target users, and an outbound playbook. - [Internal sales AI for Cursor reps](https://agenticfeats.com/c/internal-sales-ai-for-cursor-reps-custom-agent.md) (Custom agent; Numbers; 2026-10-13): Cursor's Head of Enterprise Growth built ChatGTM, an internal chat tool that pulls CRM, call, and web data to draft outreach and research accounts. Result: Used across Cursor's 400+ person sales org, it reportedly helps SDRs book 3x more qualified meetings and cuts AE ramp time by over 50%. - [Slack issue triage to Codex fix](https://agenticfeats.com/c/slack-issue-triage-to-codex-fix.md) (Codex, Custom agent; Numbers; 2026-10-13): An internal ops agent triaged a Slack issue, passed it to a Codex agent, and then verified the fix back in Slack. Result: The Codex agent resolved the issue in 40 minutes, and the ops agent confirmed the fix in Slack. - [Pre-deploy release gatekeeper agent](https://agenticfeats.com/c/pre-deploy-release-gatekeeper-agent-custom-agent.md) (Custom agent; Shown; 2026-10-13): The author built SHIPCHECK, a ReAct agent that queries a Sanity Content Lake over MCP to check whether a service upgrade is safe before deploy. Result: On a payment service v2 to v4 test, it caught an outdated SDK, returned DO NOT SHIP YET, then SAFE TO SHIP in simulation. - [Rule-citing AI dungeon master game](https://agenticfeats.com/c/rule-citing-ai-dungeon-master-game-custom-agent.md) (Custom agent; Shown; 2026-10-13): The author built a browser D&D 5e dungeon crawl whose AI Dungeon Master answers rules questions by looking up and citing rules stored in Sanity. Result: A live game with 87 rules, 33 conditions, 14 spells and 15 monsters in two editions, answering rules questions in about 1.3 to 2.2 seconds. - [Agent-orchestrated AI video](https://agenticfeats.com/c/agent-orchestrated-ai-video-custom-agent.md) (Custom agent, Grok Bot; Shown; 2026-10-13): The author's custom agent dimul used Grok through the CLI as an orchestrator, generating clips with Imagine and assembling them into a finished video. Result: The orchestrator produced a complete video with clips, music, and effects, shown in a linked video. - [Self-hosted Matrix agent assistant](https://agenticfeats.com/c/self-hosted-matrix-agent-assistant-custom-agent.md) (Custom agent; Claim; 2026-10-13): The author had Kimi set up a local Matrix server and write a small custom agent loop with sandboxed tools. Result: A working personal agent the author reaches by Matrix from phone, home web app, or CLI agents. - [Hospital-style agent pipeline ships Db2 support](https://agenticfeats.com/c/hospital-style-agent-pipeline-ships-db2-support-custom-agent.md) (Custom agent; Shown; 2026-10-13): Cockroach Labs ran a multi-role coding agent pipeline modeled on a teaching hospital to add Db2 support to its MOLT migration tool. Result: Db2 support shipped in under two days for a $4172 token bill, versus 9 months and about $160K for Oracle; 27 PRs merged. - [Multi-agent stock analysis pipeline](https://agenticfeats.com/c/multi-agent-stock-analysis-pipeline-cursor.md) (ChatGPT agent, Cursor, Custom agent; Shown; 2026-10-13): The author built a LangGraph system where valuation, sentiment and fundamental agents plus a coordinator rate four stocks and backtest the resulting portfolio. Result: A working pipeline that outputs picks, performance metrics and a chart, with a 63-day backtest against an equal-weight benchmark and a test suite. - [AI chat app on Nokia 110](https://agenticfeats.com/c/ai-chat-app-on-nokia-110-codex.md) (Codex, Custom agent; Shown; 2026-10-13): Codex helped the author reverse-engineer a Nokia 110 4G's firmware and build a native AI chat app with a custom agent. Result: A working prototype runs on the handset over mobile data: typed chat via DeepSeek, battery check, torch, calls and alarms, tested on the phone.