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CharlieDigital/runjs

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The only MCP server you need: let your LLM generate and safely execute JavaScript -- including fetch API calls, JSONPath ETL, built-in resiliencey, and secrets management

6 mentions on Hacker News by 1 person: 1 story, 5 comments · first 2025-06-19 · latest 2026-09-14

Mentions per year 6 mentions · busiest year 2025 (5)
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  1. …JS script to make the actual API call where the agent only sees the opaque ID of the secret. [0] https://github.com/CharlieDigital/runjs
    comment by CharlieDigital · 2026-09-14 · in Show HN: Authorize MCP tool calls without giving agents the credentials
  2. …LLM generate and execute JavaScript in a safe, sandboxed C# runtime with Jint as the interpreter. https://github.com/CharlieDigital/runjs Lets the LLM safely generate and execute whatever code it needs. Bounded by statement count, memory…
    comment by CharlieDigital · 2025-08-18 · in MCP doesn't need tools, it needs code
  3. …APIs, it does a fine job generating REST API calls. You can pretty much do anything with this. https://github.com/CharlieDigital/runjs
    comment by CharlieDigital · 2025-07-03 · in Tools: Code Is All You Need
  4. https://github.com/CharlieDigital/runjs I wrote an MCP server in C#/.NET that let's LLMs safely generate an run JavaScript using the Jint interpreter. It includes a `fetch` analogue using `System.Net.HttpClient`, as well as…
    comment by CharlieDigital · 2025-06-29 · in Ask HN: What Are You Working On? (June 2025)
  5. …is open source with sample client code in JS using Vercel AI SDK with a demo UI as well. [0] https://github.com/CharlieDigital/runjs
    comment by CharlieDigital · 2025-06-22 · in Remote MCP Support in Claude Code