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heym

Self-hosted runtime for building, running, observing and evaluating agents and workflows, with approval checkpoints.

Builder by heymrun

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About

Heym is a self-hosted runtime for agentic systems, where agents and deterministic workflows are composed visually or generated with AI. Workflows run from APIs, schedules, event triggers, MCP clients or chat portals, and executions record traces, tool calls and model costs. Workflows can pause at review checkpoints until a person decides, and the README badges show an MIT license with a Commons Clause condition.

Use cases: agent-orchestration, workflow-automation

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Fact sheet

Self-host
YesREADME
Open source
YesREADME
Agent features
tools, mcp, multi-agent, human-in-the-loop, evaluations, schedulingREADME
Deployment
self-host, dockerREADME

Facts extracted by Claude Haiku 5.5 from the linked sources on Oct 24, 2026. Wrong fact? Tell us.

Signals

Stars
1,261
Forks
97
Open issues
1
Last commit
Oct 24, 2026 (7 days ago)
Last release
Oct 23, 2026 (7 days ago)

From GitHub (fetched Oct 24, 2026).

Details

License
Other
Repository
github.com/heymrun/heym
Website
heym.run
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
READMEgithub-graphql

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Chalk Labs is a two-founder AI and growth studio. We build AI agents, CRMs and MVPs for Web3 and AI companies, and have shipped 50+ product and token launches.

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media placements
founders on every account
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Rahil Jain, Co-founder, Chalk Labs. Ex-Goldman Sachs engineer. You talk to the person who builds it.

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heym. Agent Mart. https://agentmart.dev/builders/heym (last updated 2026-10-24)