Comparison
promptguard vs prismor
Verdict
Pick promptguard if promptGuard audits prompts for AI agents to ensure safe code generation; pick prismor if prismor is a runtime firewall that safeguards AI frameworks against security breaches like prompt injection attacks and secret leaks. It supports Claude Code and Codex.
Markdown twin · promptguard alternatives · prismor alternatives
GraphCanon updated Sep 20, 2026
7views this month
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Trust & integrity
| Signal | promptguard | prismor |
|---|---|---|
| Maintenance | Steady (51d since push) As of Sep 12, 2026 · github_public_v1 | Very active (0d since push) As of Sep 11, 2026 · github_public_v1 |
| Provenance | Not a fork · Personal account As of Sep 12, 2026 · github_public_v1 | Not a fork · Organization account As of Sep 11, 2026 · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of Jul 15, 2026 · osv@v1 | No published findings from this source as of 2026-07-15 As of Jul 15, 2026 · osv@v1 |
| deps.dev advisories | Not queried deps.dev@v1 | Not queried deps.dev@v1 |
| OpenSSF Scorecard | Not queried openssf-scorecard@v1 | Not queried openssf-scorecard@v1 |
Tagline
- promptguard
- Audits prompts as behavioral contracts for AI agents.
- prismor
- Runtime firewall for AI agents to prevent rogue tool calls and security breaches
Stars
- promptguard
- 86
- prismor
- 343
Forks
- promptguard
- 1
- prismor
- 35
Open issues
- promptguard
- 0
- prismor
- 46
Language
- promptguard
- Python
- prismor
- Python
Adopt for
- promptguard
- PromptGuard audits prompts for AI agents to ensure safe code generation.
- prismor
- Prismor is a runtime firewall that safeguards AI frameworks against security breaches like prompt injection attacks and secret leaks. It supports Claude Code and Codex.
Persona
- promptguard
- -
- prismor
- -
Runtime
- promptguard
- -
- prismor
- -
License
- promptguard
- MIT
- prismor
- Apache-2.0, permissive open-source license allowing free use and distribution under certain conditions.
Last pushed
- promptguard
- Jul 22, 2026
- prismor
- Sep 11, 2026
Categories
- promptguard
- AI Agents, Evaluation & Observability
- prismor
- AI Agents, Evaluation & Observability
Trust and health
Maintenance
- promptguard
- Steady (60%)
- prismor
- Very active (96%)
Days since push
- promptguard
- 51d
- prismor
- 0d
Open issues (now)
- promptguard
- 0
- prismor
- 46
Stars delta
- promptguard
- +5 (30d)
- prismor
- +63 (30d)
Open issues delta
- promptguard
- 0 (30d)
- prismor
- +34 (30d)
Owner type
- promptguard
- User
- prismor
- Organization
OSV dependency advisories
- promptguard
- No lockfile (source not queried)
- prismor
- No published findings from this source as of 2026-07-15
Full report
- promptguard
- Trust report
- prismor
- Trust report
Shared compatibility
- Python · promptguard: Python runtime · prismor: Python runtime
Choose promptguard if…
- License: promptguard is MIT, prismor is Apache-2.0.
- Tags unique to promptguard: audit, prompt-engineering, safety.
- When developing AI agents that generate code and need strict adherence to safety standards
When NOT to use promptguard
- If your project does not involve prompting AI for code generation or execution
- In scenarios where real-time prompt auditing is required as it focuses on post-audit analysis
Choose prismor if…
- License: prismor is Apache-2.0, promptguard is MIT.
- Pricing: Free with a commercial license for advanced features..
- Requirements: Min 1 GB RAM.
- Tags unique to prismor: agent-security, llm-security, prompt-injection, security-tools.
- When you need a dedicated firewall for AI tools to block unauthorized calls.
When NOT to use prismor
- Avoid if you do not use supported frameworks like Claude Code or Codex, as it might lack coverage.
- Not suitable if you prioritize open-source contributions over runtime protection.
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (mturac/promptguard) · observed Sep 20, 2026
- GitHub forks (mturac/promptguard) · observed Sep 20, 2026
- Last push (mturac/promptguard) · observed Jul 22, 2026
- License file (MIT) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
- GitHub stars (PrismorSec/prismor) · observed Sep 20, 2026
- GitHub forks (PrismorSec/prismor) · observed Sep 20, 2026
- Last push (PrismorSec/prismor) · observed Sep 11, 2026
- License file (Apache-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: promptguard 86 · prismor 343 (synced Sep 20, 2026).
Common questions
- What is the difference between promptguard and prismor?
- promptguard: Audits prompts as behavioral contracts for AI agents.. prismor: Runtime firewall for AI agents to prevent rogue tool calls and security breaches. See the comparison table for live GitHub stats and shared categories.
- When should I choose promptguard over prismor?
- Choose promptguard over prismor when License: promptguard is MIT, prismor is Apache-2.0; Tags unique to promptguard: audit, prompt-engineering, safety; When developing AI agents that generate code and need strict adherence to safety standards.
- When should I choose prismor over promptguard?
- Choose prismor over promptguard when License: prismor is Apache-2.0, promptguard is MIT; Pricing: Free with a commercial license for advanced features.; Requirements: Min 1 GB RAM; Tags unique to prismor: agent-security, llm-security, prompt-injection, security-tools; When you need a dedicated firewall for AI tools to block unauthorized calls.
- When should I avoid promptguard?
- If your project does not involve prompting AI for code generation or execution In scenarios where real-time prompt auditing is required as it focuses on post-audit analysis
- When should I avoid prismor?
- Avoid if you do not use supported frameworks like Claude Code or Codex, as it might lack coverage. Not suitable if you prioritize open-source contributions over runtime protection.
- Is promptguard or prismor more popular on GitHub?
- prismor has more GitHub stars (343 vs 86). Stars measure visibility, not whether either tool fits your constraints.
- Are promptguard and prismor open source?
- Yes - both are open-source projects on GitHub (promptguard: MIT, prismor: Apache-2.0).
- Where can I find alternatives to promptguard or prismor?
- GraphCanon lists graph-backed alternatives at promptguard alternatives and prismor alternatives (promptguard markdown twin, prismor markdown twin), ranked by typed relationship edges rather than popularity votes.
- Is there a machine-readable version of this comparison?
- Yes. The markdown twin at this comparison mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers.
- Which is better maintained, promptguard or prismor?
- promptguard: Steady. prismor: Very active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance.
- Where are the full trust reports for promptguard and prismor?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: promptguard trust report; prismor trust report.