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MCP server · Agents

Petalflow

by · github.com/petal-labs/petalflow

Lightweight Go workflow graph runtime for building, running, and serving AI agent workflows with LLMs, tools, routing, schedules and webhooks.

Unclaimed agent-workflowsai-agentscligogolanggraph-runtimellmmcporchestrationtool-callingwebhooksworkflow-automationworkflow-engine
InstallView source
34Low

Scored a month ago · breakdown

About Petalflow

Petalflow is an MCP server published by petal-labs in the Agents category: lightweight Go workflow graph runtime for building, running, and serving AI agent workflows with LLMs, tools, routing, schedules and webhooks.

The repository has 2 stars and 0 forks, with the last commit 2 months ago. Recent commit activity is the strongest signal that reported issues will get attention.

Install

From source
git clone https://github.com/petal-labs/petalflow

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

v0.4.0v0.4.0 · 3 Aug 2026Fixed Node panics no longer crash the runtime or daemon.** A panic in any node's `Run` method (including custom `FuncNode`s and tools) is now recovered and converted into a node error that flows through the normal fail / continue-on-error…
v0.3.0v0.3.0 · 31 Jul 2026Added PostgreSQL persistence backends**: Optional Postgres storage alongside SQLite Event store, workflow/schedule store, and tool registration store backends CLI selects SQLite or Postgres automatically by DSN scheme Shared `sqldialect`…
v0.2.0v0.2.0 · 6 Feb 2026Added Iris v0.11.0 Tool Features**: Full support for multi-turn tool use workflows `LLMToolResult` type for representing tool execution results `LLMReasoningOutput` type for capturing model reasoning output `LLMMessage.ToolCalls` field for…
Questions

About Petalflow

How do I install Petalflow?

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

Is Petalflow 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 Petalflow still maintained?

Yes — the latest release is v0.4.0 (3 Aug 2026), and the last commit was 2 months ago. The repository has 2 stars.