# Helio (slim) > Helio, an MCP server by helio.so, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Open-source governance for MCP agents: useful autonomy without unlimited authority - Full: https://www.anchorterminal.com/tools/helio.md (~450 tokens) · this version ~380 tokens · JSON https://www.anchorterminal.com/tools/helio.json · canonical https://www.anchorterminal.com/tools/helio - Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-05 # Helio > Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/ - Kind: MCP server, by helio.so (https://www.helio.so) - Listed because: It's published in the registry under helio.so, a namespace the registry only gives to whoever proves they control that domain. - What the official MCP registry says: Open-source governance for MCP agents: useful autonomy without unlimited authority ## Facts - MCP registry: `so.helio/helio` 0.15.0 - Package: npm `@gethelio/proxy` (streamable-http) - Source: https://github.com/gethelio/helio - Website: https://www.helio.so - npm downloads a week: 51 - GitHub stars: 13 - Registry entry updated: 2026-10-02 - JSON: https://www.anchorterminal.com/api/v1/tools/helio.json - Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming