Agent Stack — Development skill for Claude Code
The Agent Reliability Stack: fit, guard, snap, vet, cast.
How to install Agent Stack
This entry records only its repository, not the path inside it, so there is no
exact command to give. Open MukundaKatta/agent-stack and copy the folder into
~/.claude/skills/, or the file into ~/.claude/agents/.
What Agent Stack does
The Agent Reliability Stack: fit, guard, snap, vet, cast. One landing page for all 11 npm + 6 PyPI packages.
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README
agent-stack
Six small, single-concern reliability libraries for production LLM agents — TypeScript, Python, and MCP servers. Zero runtime dependencies. Adopt one or all.
[](https://doi.org/10.5281/zenodo.20074702) [](https://doi.org/10.57967/hf/8720) [](#license) [](https://huggingface.co/spaces/mukunda1729/agent-stack-demo)
**Landing page:** https://mukundakatta.github.io/agent-stack/ **Paper:** [Six Reliability Primitives for LLM Agents: An Artifact Pattern for Stackable, Single-Concern Libraries](https://doi.org/10.5281/zenodo.20074702) **HuggingFace Hub:** [mukunda1729/agent-stack](https://huggingface.co/mukunda1729/agent-stack)
The six primitives
| Library | Concern |
|---|---|
| AgentFit | Token-aware context-window fitting |
| AgentGuard | Network egress allowlist for tool calls |
| AgentSnap | Snapshot tests for tool-call traces |
| AgentVet | Tool-arg validation with retry hints |
| AgentCast | Structured-output validate-and-retry for LLM JSON |
| AgentBudget | Per-run token + dollar caps |
Each ships in three forms: TypeScript on npm, Python on PyPI, MCP-server variant.
Install
# TypeScript
npm i @mukundakatta/agentfit @mukundakatta/agentguard @mukundakatta/agentsnap \
@mukundakatta/agentvet @mukundakatta/agentcast @mukundakatta/agentbudget
# Python
pip install agentfit agentguard agentsnap agentvet agentcast agentbudget// MCP server (Claude Desktop config)
{
"mcpServers": {
"agentvet": { "command": "npx", "args": ["-y", "@mukundakatta/agentvet-mRelated Skills
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