capsem Skill
capsem is a Rust AI agent skill for Codex with uvx/pip, docker. capsem is an open-source AI agent skill for agent skills.
How to use capsem Skill
Install or run
uv run capsem-builder validate guest/Client configuration
[
{
"namespaced_name": "fetch_http",
"original_name": "fetch_http",
"description": "Fetch a URL and return its content. In 'markdown' mode (default), HTML is converted to clean markdown preserving headings, links, lists, bold/italic, and code blocks. In 'content' mode, HTML is stripped to plain text with newlines at block boundaries. In 'raw' mode, the response body is returned unchanged. Output starts with metadata lines (URL, Domain, Content length) followed by the page content. Use start_index and max_length for pagination -- if the response is truncated, a 'Remaining' line shows the next start_index value to continue. The URL's domain must be allowed by network policy; blocked or unknown domains return an error. Errors: domain blocked by policy, invalid URL, HTTP request failed.",
"input_schema": {
"properties": {
"format": {
"description": "Output format: 'markdown' (default) converts HTML to markdown preserving structure (headings, links, lists, code). 'content' strips to plain text. 'raw' returns the response body unchanged.",
"enum": [
"markdown",
"content",
"raw"
],
"type": "string"
},
"max_length": {
"description": "Maximum characters to return (default: 5000). If the content exceeds this, a 'Remaining' line indicates how to fetch the rest.",
"type": "integer"
},
"start_index": {
"description": "Character offset to start reading from (default: 0). Use the value from the 'Remaining' line in a previous response to continue paginating.",
"type": "integer"
},
"url": {
"description": "The URL to fetch. The domain must be allowed by network policy or the request wCompatible clients
What is capsem Skill?
capsem is a Rust AI agent skill for Codex with uvx/pip, docker. capsem is an open-source AI agent skill for agent skills. This profile combines repository metadata with install, compatibility, and usage signals so developers can quickly decide whether it fits their agent workflow before opening the source repository.
Automated repository signals based on public metadata such as recency, license, installation evidence, and adoption. These are not a security audit or endorsement.
Key capabilities
- Reusable instructions support
- Includes SKILL.md support
- Shell commands support
- Document generation support
- Anthropic provider support
- Google provider support
- pyproject.toml config support
Available tools
Technical details
Install or run capsem using uvx/pip. Check google/capsem for the latest setup command.
- Built for Rust
- Built for Python
- Install or run with uvx/pip
- Install or run with docker
- Works with Codex
- Uses SSE transport
- API key required
- Local files
Requirements and access
Security and permissions
Review permissions before connecting any MCP server to an agent. Pay special attention to whether it can read local files, write data, call external services, or perform destructive actions.
When to use capsem Skill
- Use it for reusing agent instructions, scripts, and references.
- Use it for agent skills workflows.
- Use it for coding workflows.
- Use it for data workflows.
- Use it for codex users.
Built with
Explore related resources
Frequently asked questions
What is capsem?
capsem is a Rust AI agent skill for Codex with uvx/pip, docker. google/capsem is an open-source Skills candidate discovered from GitHub.
Who is capsem best for?
capsem is best for reusing agent instructions, scripts, and references, agent skills workflows, coding workflows, data workflows, codex users.
How do I install capsem?
Install or run capsem using uvx/pip. Check capsem for the latest setup command.
Is capsem actively maintained?
capsem may need a closer maintenance check before production use.
Auto-fetched from GitHub.