Sidereon MCP Server
GNSS positioning and astrodynamics in Rust, with first-class interfaces in Python, C, Go, WebAssembly, and Elixir. Reference-validated, and bit-exact to public oracles where it counts.
People who need web framework tools inside Claude, Cursor, VS Code, or another MCP client. The project is written in Rust.
VERIFIED ACTIVE
LAST COMMIT 2026-09-17 · ★ 18 · #42 OF 55 MAINTAINED WEB FRAMEWORK · VERIFIED 2026-09-18
MIT · Rust servers · how we verify → /methodology
01 · Install Sidereon
Claude Desktop
Settings → Extensions → Install, then select the https://github.com/neilberkman/sidereon/releases/download/v2.1.0/sidereon_2.1.0.mcpb .mcpb bundle02 · Evidence
Security posture
What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.
runs as Claude Desktop extension (.mcpb bundle)
license MIT - declared in the repository
registry namespace io.github.neilberkman is GitHub-verified and matches the repo owner
03 · What Sidereon can do
Prose above is summarized from the project's README and registry record - no invented capabilities.
Latest releases
v2.1.0 · 2026-09-06
carry a week borrow that rounds back to a full week · sp3: report the interpolator's run-edge reach, not the centered one · sp3, time: close the holes a review found in the last two fixes · 2.1.0
v2.0.0 · 2026-09-03
Lane A: manifest, documentation, build hygiene · Lane C: JulianDate accessors and code-derived documentation · Lane G: refactor the OMM parser and SP3 merge into named stages · Lane B: typed errors and parser panic…
v1.4.1 · 2026-08-31
04 · Who maintains Sidereon
Sidereon is maintained by neilberkman. We track 3 MCP servers from neilberkman - 3 actively maintained, 393 combined GitHub stars, oldest repo from Jul 2025. Full record: all servers from neilberkman.
05 · Facts
- repository
- github.com/neilberkman/sidereon
- website
- https://sidereon.dev/
- category
- web framework - ranked #42 of 55 actively-maintained web framework servers as of 2026-09-18.
- release cadence
- 10+ releases in the last 90 days (latest 2026-09-06)
- registry
- io.github.neilberkman/sidereon (active, first published 2026-08-05 · 19 versions)
- packages
- mcpb:https://github.com/neilberkman/sidereon/releases/download/v2.1.0/sidereon_2.1.0.mcpb
06 · Sidereon FAQ
What is Sidereon?
GNSS positioning and astrodynamics in Rust, with first-class interfaces in Python, C, Go, WebAssembly, and Elixir. Reference-validated, and bit-exact to public oracles where it counts.
Is Sidereon still maintained?
Yes - as of 2026-09-18, its last commit was 2026-09-17 and it shipped 10+ releases in the last 90 days. We re-verify nightly.
07 · Alternatives to Sidereon
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