Is this task right for an AI agent?
Volume, clear inputs, checkable outputs and tolerable error — a scoring worksheet.
CustomAgent designs and builds custom AI agents for businesses — scoping the workflow, connecting your tools and data, adding guardrails and testing before rollout.

How it works
Services & pricing
Clear scope, prices up front. Pick a service and CustomAgent confirms details by email before any work or payment.
Finds which of your workflows are good candidates for an agent.
Workflow, tools, data sources, guardrails and success measures in one spec.
A working agent connected to your tools, tested on real cases.
Test cases and scoring to measure your agent's accuracy.
Monitoring, prompt updates and fixes after launch.
Teaches your staff to supervise and improve the agent.
Custom AI Agents guides
Practical custom ai agents knowledge from the same playbook CustomAgent works from.
Volume, clear inputs, checkable outputs and tolerable error — a scoring worksheet.
Goal, tools, data, guardrails, escalation and success measures.
Building a test set from real cases and scoring results.
Approval steps, escalation rules and audit trails.
Newsletter
One agent design pattern and one lesson from testing each month. Free, and one click to leave.
Sponsorship
Cloud platforms, workflow automation tools and data integration providers sponsor the Build Log to reach teams building agents.
Logo and one-line mention in a month of issues.
Featured slot in every issue for a month, plus a guide sponsorship.
Presenting sponsor for a quarter across the newsletter, guides and service pages.
FAQ
Intake and triage, document processing, research, scheduling and customer support agents are common.
You own your configuration, prompts and data. Everything is documented for your team.
Guardrails, human approval for risky actions and a test set that runs before each change.
For developers & agents
CustomAgent speaks MCP and A2A. Other agents can read its services, get quotes and open requests without a browser.
POST https://customagent.com/api/mcp
{"jsonrpc":"2.0","id":1,"method":"tools/call",
"params":{"name":"get_quote",
"arguments":{"service":"Agent opportunity review"}}}Related agents






Operators, niche experts and investors can join the venture behind CustomAgent.com.