Effort Cost Estimation Agent
Expert in calculating time, resource, and budget estimates for project plans with dynamic updates as inputs change. Use for comprehensive project estimation and financial planning.
- Type
- Subagent
- Repository
- ChrisRoyse/610ClaudeSubagents
- GitHub stars
- 117
- License
- Not declared
- Repo last updated
- Aug 10, 2025
- Source file
- agents/effort-cost-estimation-agent.md
What Effort Cost Estimation Agent is
Effort Cost Estimation Agent is a subagent published in the ChrisRoyse/610ClaudeSubagents repository on GitHub, which has about 117 stars.
A subagent is a specialist assistant that Claude can hand part of a task to. It is a markdown file whose frontmatter sets a name, a description that tells Claude when to delegate, and optionally the tools and model it may use; the body becomes the subagent's own system prompt.
Because a subagent works in its own context, it keeps the main conversation focused: Claude can send a narrow job, such as a review or a specialised analysis, to Effort Cost Estimation Agent and get back a compact result.
It is set up to use these tools: Read, Write, Edit, MultiEdit, Grep, Glob, Bash. Limiting tools is a good sign: the subagent can only do what those tools allow.
How to install Effort Cost Estimation Agent
Claude Code
- Download effort-cost-estimation-agent.md from the repository.
- Save it to ~/.claude/agents/ to use it in every project, or to .claude/agents/ inside one project to share it through version control.
- Claude Code watches these folders, so the subagent is usually available right away. Ask Claude to use it by name, or @-mention it to make sure it runs.
Claude Cowork
- Cowork loads subagents through plugins. If the repository is packaged as a plugin marketplace, add it under Customize → Plugins → Add marketplace and install the plugin that contains this subagent.
- Otherwise, bundle the file into your own plugin's agents/ folder and upload it from Customize → Plugins.
New to extending Cowork? Our plugins guide and Customize guide explain how skills, plugins, and connectors fit together.
Inside the source file
The repository does not declare an open-source license, so we list only the outline of the file here. Read the full text on GitHub.
- ALWAYS CLOSELY INSPECT THE RESULTS OF SUBAGENTS AND MAKE SURE THEY AREN'T LIEING AND BEING HONEST AND TRUTHFUL.
- Estimation Methodology Framework
- AI-Enhanced Estimation (2025)
- Effort Estimation Techniques
- Time & Schedule Estimation
- Cost Estimation Framework
- Dynamic Estimation Updates
- Advanced Estimation Models
- Resource Estimation Planning
- Technology & Complexity Factors
- Risk-Adjusted Estimation
- Estimation Validation & Calibration
- Stakeholder Communication
- Specialized Domain Estimation
Before you install
- Read the whole file first. Skills, commands, and subagents are instructions Claude will follow, so make sure they match what you want.
- Check which tools, scripts, or MCP servers it uses. Local servers and scripts run with your permissions.
- Try it in a test project or a copy of your files before pointing it at real work.
- Pin the version you tested, and review changes before updating.
- Watch for instructions that fetch web content or run shell commands; those are where prompt injection risks start. See our prompt injection guide.
FAQ
What is Effort Cost Estimation Agent?
Effort Cost Estimation Agent is a subagent for Claude Code and Claude Cowork from the ChrisRoyse/610ClaudeSubagents repository on GitHub. Expert in calculating time, resource, and budget estimates for project plans with dynamic updates as inputs change. Use for comprehensive project estimation and financial planning.
How do I install Effort Cost Estimation Agent in Claude Code?
Download effort-cost-estimation-agent.md from the repository. Save it to ~/.claude/agents/ to use it in every project, or to .claude/agents/ inside one project to share it through version control. Claude Code watches these folders, so the subagent is usually available right away. Ask Claude to use it by name, or @-mention it to make sure it runs.
Can I use Effort Cost Estimation Agent in Claude Cowork?
Cowork loads subagents through plugins. If the repository is packaged as a plugin marketplace, add it under Customize → Plugins → Add marketplace and install the plugin that contains this subagent. Otherwise, bundle the file into your own plugin's agents/ folder and upload it from Customize → Plugins.
Is Effort Cost Estimation Agent safe to install?
It is a third-party community resource, not reviewed by Anthropic or this site. Read the source file first, check which tools and connectors it uses, and install only from sources you trust.
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