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  3. LangValidator
MCP server · Agents

LangValidator

by · github.com/ahmedbutt2015/LangValidator

Self validating LangGraph agent pipeline: every agent output passes through a checkpoint node that scores it and routes to pass, retry with feedback, or halt. Includes rule based, LLM as judge, and semantic validators plus MCP-style fact-check and schema-check tools.

Unclaimed agent-validationagentic-aiai-agentsanthropicclaudelangchainlanggraphllmllm-as-judgemcpmodel-context-protocolmulti-agentpythonself-correction
InstallView source
34Low

Scored 14 days ago · breakdown

About LangValidator

LangValidator is an MCP server published by ahmedbutt2015 in the Agents category: self validating LangGraph agent pipeline: every agent output passes through a checkpoint node that scores it and routes to pass, retry with feedback, or halt. Includes rule based, LLM as judge, and semantic validators plus MCP-style fact-check and schema-check tools.

The repository has 1 stars and 0 forks, with the last commit 5 months ago. Recent commit activity is the strongest signal that reported issues will get attention.

Install

From source
git clone https://github.com/ahmedbutt2015/LangValidator

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

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Releases

v0.1.0v0.1.0 — Initial release: Self-Validating Agent Graph · 21 Apr 2026First public release of LangValidator — a LangGraph pipeline where every agent output passes through a checkpoint node that scores it and decides whether to pass, retry with feedback, or halt. What's included Graph `AgentState`…
Questions

About LangValidator

How do I install LangValidator?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is LangValidator safe to use with an AI agent?

Its trust score is 34 out of 100 (low). Conduid hasn't run static security checks on this repository yet, so review the source yourself before granting it credentials. It has no ConduID identity yet, so agent calls to it are not receipted.

Is LangValidator still maintained?

Yes — the latest release is v0.1.0 (21 Apr 2026), and the last commit was 5 months ago. The repository has 1 stars.