Configure Channel
openclaw/openclaw
Configure and prove a chat channel with non-interactive one-liners; secrets only as SecretRefs.
Configuring CORS allowed-origin patterns for Effect-based Golem HTTP endpoints.
Custom licenceAuto-check passed
Install Golem Add Cors Effect
$ npx skills add golemcloud/golem --skill golem-add-cors-effect -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install golemcloud/golem golem-add-cors-effect --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/golemcloud/golem.git skills-src && mkdir -p .claude/skills && cp -r skills-src/golem-skills/skills/effect/golem-add-cors-effect .claude/skills/golem-add-cors-effect && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "golem-add-cors-effect" agent skill from https://github.com/golemcloud/golem/tree/main/golem-skills/skills/effect/golem-add-cors-effect into .claude/skills/golem-add-cors-effect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "golem-add-cors-effect", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/golemcloud/golem/tree/main/golem-skills/skills/effect/golem-add-cors-effectType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add golemcloud/golem --skill golem-add-cors-effect -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install golemcloud/golem golem-add-cors-effect --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/golemcloud/golem.git skills-src && mkdir -p .agents/skills && cp -r skills-src/golem-skills/skills/effect/golem-add-cors-effect .agents/skills/golem-add-cors-effect && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "golem-add-cors-effect" agent skill from https://github.com/golemcloud/golem/tree/main/golem-skills/skills/effect/golem-add-cors-effect into .agents/skills/golem-add-cors-effect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "golem-add-cors-effect", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add golemcloud/golem --skill golem-add-cors-effect -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install golemcloud/golem golem-add-cors-effect --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/golemcloud/golem.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/golem-skills/skills/effect/golem-add-cors-effect .cursor/skills/golem-add-cors-effect && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "golem-add-cors-effect" agent skill from https://github.com/golemcloud/golem/tree/main/golem-skills/skills/effect/golem-add-cors-effect into .cursor/skills/golem-add-cors-effect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "golem-add-cors-effect", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/golemcloud/golem.git --path golem-skills/skills/effect/golem-add-cors-effect--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add golemcloud/golem --skill golem-add-cors-effect -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install golemcloud/golem golem-add-cors-effect --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/golemcloud/golem.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/golem-skills/skills/effect/golem-add-cors-effect .gemini/skills/golem-add-cors-effect && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "golem-add-cors-effect" agent skill from https://github.com/golemcloud/golem/tree/main/golem-skills/skills/effect/golem-add-cors-effect into .gemini/skills/golem-add-cors-effect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "golem-add-cors-effect", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install golemcloud/golem golem-add-cors-effectInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add golemcloud/golem --skill golem-add-cors-effect -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/golemcloud/golem.git skills-src && mkdir -p .github/skills && cp -r skills-src/golem-skills/skills/effect/golem-add-cors-effect .github/skills/golem-add-cors-effect && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "golem-add-cors-effect" agent skill from https://github.com/golemcloud/golem/tree/main/golem-skills/skills/effect/golem-add-cors-effect into .github/skills/golem-add-cors-effect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "golem-add-cors-effect", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add golemcloud/golem --skill golem-add-cors-effect -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install golemcloud/golem golem-add-cors-effect --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/golemcloud/golem.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/golem-skills/skills/effect/golem-add-cors-effect .opencode/skills/golem-add-cors-effect && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "golem-add-cors-effect" agent skill from https://github.com/golemcloud/golem/tree/main/golem-skills/skills/effect/golem-add-cors-effect into .opencode/skills/golem-add-cors-effect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "golem-add-cors-effect", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
golem-add-cors-effect- GitHub stars
- 1.5k
- Token cost
- ~805 tokens
- SKILL.md length
- 296 words
- Files
- 1
- Skills in repo
- 289
- Repo updated
- First seen
- Licence
- Custom licence
At a glance
Configuring CORS allowed-origin patterns for Effect-based Golem HTTP endpoints.
- Enabling cross-origin requests
- SKILL.md covers Mount-Level CORS, Endpoint-Level CORS, Wildcard Origins and CORS Preflight, plus 1 more section
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
- Adding mount-level
What it does
Golem Add Cors Effect is an agent skill from golemcloud/golem. Configuring CORS allowed-origin patterns for Effect-based Golem HTTP endpoints. Use when enabling cross-origin requests or adding mount-level or endpoint-level CORS in an @golemcloud/effect-golem agent.
Its SKILL.md is about 810 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
The repository describes itself as: Golem Cloud is the agent-native platform for building AI agents and distributed applications that never lose state, never duplicate work, and never require you to build…
When your agent uses it
- Enabling cross-origin requests
- Adding mount-level
- Endpoint-level CORS in an @golemcloud/effect-golem agent
Example prompts
- “/golem-add-cors-effect”
What it can do on your machine
Read from SKILL.md and the folder at commit c6a3029. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are typescript).
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Golem Add Cors Effect loads about 805 tokens when it runs. Until then it costs about 56 tokens; SKILL.md has 296 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 296 words (~805 tokens).
“Effect Golem agents publish CORS as HTTP route metadata through the Http namespace from @golemcloud/effect-golem. The Golem host applies the policy and handles browser preflight; do not add application-side middleware or manually construct CORS responses.”
- name
- golem-add-cors-effect
Files
Just SKILL.md in golem-skills/skills/effect/golem-add-cors-effect of golemcloud/golem.
Open the folder on GitHubat commit c6a3029
Compare with similar skills
Golem Add Cors Effect next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Golem Add Cors Effect this skillgolemcloud/golem | 1.5k | — | ~805 | Automated safety check: Pass | Custom licence | |
| Configure Channelopenclaw/openclaw | 392k | — | ~946 | Automated safety check: Pass | MIT | |
| Golem Configure Durability Effectgolemcloud/golem | 1.5k | — | ~1.6k | Automated safety check: Pass | Custom licence | |
| Golem Add Cors Moonbitgolemcloud/golem | 1.5k | — | ~505 | Automated safety check: Pass | Custom licence | |
| Golem Add Config Effectgolemcloud/golem | 1.5k | — | ~1.3k | Automated safety check: Pass | Custom licence | |
| Golem Retry Policies Effectgolemcloud/golem | 1.5k | — | ~2.8k | Automated safety check: Pass | Custom licence |
Similar skills
Golem Configure Durability Effect
golemcloud/golem
Choosing durable or ephemeral agent modes and scoped persistence levels in an Effect-based Golem project.
Golem Add Cors Moonbit
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Configuring CORS allowed origins for HTTP endpoints in MoonBit Golem agents.
Golem Add Config Effect
golemcloud/golem
Adding typed configuration to an Effect-based Golem agent. An agent skill from golemcloud/golem.
Golem Retry Policies Effect
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Configures Golem host-operation retry policies for Effect-based agents and distinguishes them from Effect typed failures and Schedule retries.
Golem Quota Effect
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Adding resource quotas to an Effect-based Golem agent. An agent skill from golemcloud/golem.
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Questions about Golem Add Cors Effect
What does Golem Add Cors Effect do?
Configuring CORS allowed-origin patterns for Effect-based Golem HTTP endpoints. Golem Add Cors Effect is an agent skill from golemcloud/golem. Configuring CORS allowed-origin patterns for Effect-based Golem HTTP endpoints.
When should I use Golem Add Cors Effect?
Golem Add Cors Effect fits situations like: enabling cross-origin requests; adding mount-level; endpoint-level CORS in an @golemcloud/effect-golem agent.
How do I install Golem Add Cors Effect in Claude Code?
Run `npx skills add golemcloud/golem --skill golem-add-cors-effect -a claude-code`. Or copy the skill folder (golem-skills/skills/effect/golem-add-cors-effect in golemcloud/golem) into .claude/skills/golem-add-cors-effect in your project. Claude Code loads it when a task matches its description.
How do I install Golem Add Cors Effect in Codex?
Run `npx skills add golemcloud/golem --skill golem-add-cors-effect -a codex`. Or copy the skill folder (golem-skills/skills/effect/golem-add-cors-effect in golemcloud/golem) into .agents/skills/golem-add-cors-effect in your project. Codex loads it when a task matches its description.
Can I use Golem Add Cors Effect in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add golemcloud/golem --skill golem-add-cors-effect -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/golem-add-cors-effect, .gemini/skills/golem-add-cors-effect, .github/skills/golem-add-cors-effect and .opencode/skills/golem-add-cors-effect in your project.
What does Golem Add Cors Effect need to run?
SKILL.md names no scripts, command-line tools or credentials: Golem Add Cors Effect is instructions for the agent only.
Does Golem Add Cors Effect access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Golem Add Cors Effect safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Golem Add Cors Effect use?
Golem Add Cors Effect has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.
How many tokens does Golem Add Cors Effect use?
About 805 tokens (SKILL.md is roughly 3.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Golem Add Cors Effect?
Skills that share tags, products or a category with Golem Add Cors Effect: Configure Channel (openclaw/openclaw, 392k stars), Golem Configure Durability Effect (golemcloud/golem, 1.5k stars), Golem Add Cors Moonbit (golemcloud/golem, 1.5k stars) and Golem Add Config Effect (golemcloud/golem, 1.5k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Golem Add Cors Effect?
golemcloud (a GitHub organization) maintains it in golemcloud/golem, which has 1,507 GitHub stars. The repository holds 289 skills in this directory. The repository was last updated on October 8, 2026.
Source: golemcloud/golem on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.