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lampepfl / tacit

TACIT — Tracked Agent Capabilities In Types

Why this job: works in the areas we cover, but does not say which job it does

TACIT Framework Overview

What it does

  • Scala 3 compiler. Agent-submitted code is validated and type-checked with capture checking enabled in *safe mode*, which enforces a capability-safe language subset.
  • Scala REPL. A local REPL instance executes compiled code and manages state across interactions. Supports both stateless one-shot execution and stateful sessions.
  • Capability safety library. A typed API that serves as the sole gateway through which agent code interacts with the real world: file system, process execution, network, and sub-agents. The library is extensible: add new capabilities by modif
  • No / in pattern. matches against any path component (basename matching)
  • Relative pattern with /. anchored to the filesystem root; supports *, , ?, […]

Get started

No single install command. Read the steps in the README (opens in new tab)

Maintenance
Active
Last commit 28 days ago
Stars
147
+2 this week
Licence
Apache-2.0
Allows business use
Downloads for
None listed
No release files
Latest version
0.2.3
Released 28 days ago
Built with
Scala
87% of the code

Is it looked after?

Contributors
2
Last 90 days
Issues
0% closed
1 still open
Pull requests
10 merged
1 waiting
Releases
11
11 in the last year
  • No contributing guide
  • No security policy
  • No code of conduct

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More: languages, topics and project record

Languages

  • Scala 87%
  • Shell 13%

Topics

  • agent
  • capability
  • mcp
  • safety
  • scala

Project record

  • JobOther AI tools
  • StatusListed
  • Commits101
  • Forks19
  • Watching8
  • Stars in 28 days+30
  • CreatedJan 29, 2026
  • First seen by usNov 7, 2026
  • CheckedNov 7, 2026

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