# CaliberAPI (caliberapi.com)

Looks up which red dot optics fit a given pistol model, with each compatibility claim tied to a cited source.

- Atlas card: https://inite.ai/en/atlas/caliberapi.com
- Site: https://caliberapi.com
- For: Pistol owners choosing a red dot optic that mounts on their pistol.
- Use not measured/100 · alive 100/100

## Used for

- check which red dot optics fit a specific pistol
- compare direct-mount and adapter plate paths for an optic
- confirm optic fitment against a cited compatibility source

## Price

Not read yet.

## For developers

- MCP server: com.caliberapi/pistol-optics (namespace; open on 2026-10-27, 5 tools)
- Read 2026-10-27

## MCP server, measured daily

Server: https://mcp.caliberapi.com/mcp, checked every day since 2026-10-27 (1 checks).

- Answered: measuring, 1 daily checks so far
- Median first answer: 180 ms
- Sign-in: none
- Context its tool definitions take: about 955 tokens (5 tools)
- Tool definitions: A, 100/100
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-27

---

Source: INITE Atlas, https://inite.ai/en/atlas/caliberapi.com. JSON: https://inite.ai/api/atlas/caliberapi.com. MCP: https://inite.ai/api/mcp (atlas_lookup).