Open Source
Caliper
Run your real agent with and without your skills, MCPs, and rules. See which ones actually help, and what they cost in tokens. Supports Claude Code, Codex, Pi, and Hermes.
Our verdict
We have not reviewed Caliper yet
No one at Enterprise DNA has checked this listing against its sources. The description comes from public listings gathered automatically. Any fact below shows where it came from and when it was last checked.
From the listing
About Caliper
Caliper runs your real agent with and without your skills, MCPs, and rules, so you can see which ones actually help and what they cost in tokens. It supports Claude Code, Codex, Pi, and Hermes. The tool is implemented in Python.
Best for
Python-based agent builders who want empirical answers about what skills actually pay off
Use cases
- Compare agent runs with and without specific skills
- Measure token costs of MCPs and rules
- Evaluate agent configurations across Claude Code, Codex, Pi, and Hermes
Notes
212 stars on GitHub. Last updated 2026-10-16. Licensed MIT.
Pros
- Uses real agent runs rather than synthetic tests
- Shows token cost impact of each addition
- Supports multiple agent frameworks
Cons
- Community project with limited adoption (212 stars)
- Requires Python environment to run
- No built-in visualization or dashboard mentioned
Key facts
What we have checked
- Days since the last commit
- 1
- GitHub forks
- 25
- GitHub stars
- 228
- Days to a first reply on issues
- 29.1
- Open issues
- 12
- Releases in the last 90 days
- 16
Each value shows when we last confirmed it and where it came from. Values we have not confirmed are left out, never guessed.
Stars and usage
How Caliper is growing
212 to 228
Health and security
Is Caliper looked after, and what do its setup files show
Health score
57 out of 100
| Part | Points | What we saw |
|---|---|---|
| Recent activity | 30 of 30 | Last push 1 days ago |
| Releases | 15 of 15 | 16 releases in 90 days |
| Issue replies | 0.6 of 20 | First reply in 29.1 days (median) |
| Maintainer | 0 of 15 | Owned by a single user |
| Official source | Not counted | MCP servers only |
Sources
Where this comes from
- GitHubRegistry
A source shows what was published when we checked it. It does not certify security, performance or a working installation. Read our method.
Changelog
What changed
No changes recorded yet. Releases, price changes and deprecations appear here, with their dates, once we track them for this record.
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