Comparison
mcp-trust-plane vs prismor
Verdict
Pick mcp-trust-plane if mCP Trust Plane is designed for organizations that need to enforce security policies on MCP traffic without modifying core components of the protocol stack; 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 · mcp-trust-plane alternatives · prismor alternatives
GraphCanon updated Sep 20, 2026
9views this month
vs
Trust & integrity
| Signal | mcp-trust-plane | prismor |
|---|---|---|
| Maintenance | Steady (85d since push) As of Sep 13, 2026 · github_public_v1 | Very active (0d since push) As of Sep 11, 2026 · github_public_v1 |
| Provenance | Not a fork · Organization account As of Sep 13, 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
- mcp-trust-plane
- Pluggable security framework for MCP traffic
- prismor
- Runtime firewall for AI agents to prevent rogue tool calls and security breaches
Stars
- mcp-trust-plane
- 100
- prismor
- 343
Forks
- mcp-trust-plane
- 26
- prismor
- 35
Open issues
- mcp-trust-plane
- 0
- prismor
- 46
Language
- mcp-trust-plane
- JavaScript
- prismor
- Python
Adopt for
- mcp-trust-plane
- MCP Trust Plane is designed for organizations that need to enforce security policies on MCP traffic without modifying core components of the protocol stack.
- 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
- mcp-trust-plane
- -
- prismor
- -
Runtime
- mcp-trust-plane
- -
- prismor
- -
License
- mcp-trust-plane
- Apache-2.0
- prismor
- Apache-2.0, permissive open-source license allowing free use and distribution under certain conditions.
Last pushed
- mcp-trust-plane
- Jun 19, 2026
- prismor
- Sep 11, 2026
Categories
- mcp-trust-plane
- AI Agents, Evaluation & Observability
- prismor
- AI Agents, Evaluation & Observability
Trust and health
Maintenance
- mcp-trust-plane
- Steady (60%)
- prismor
- Very active (96%)
Days since push
- mcp-trust-plane
- 85d
- prismor
- 0d
Open issues (now)
- mcp-trust-plane
- 0
- prismor
- 46
Stars delta
- mcp-trust-plane
- +1 (30d)
- prismor
- +63 (30d)
Open issues delta
- mcp-trust-plane
- 0 (30d)
- prismor
- +34 (30d)
OSV dependency advisories
- mcp-trust-plane
- No lockfile (source not queried)
- prismor
- No published findings from this source as of 2026-07-15
Full report
- mcp-trust-plane
- Trust report
- prismor
- Trust report
Choose mcp-trust-plane if…
- mcp-trust-plane is primarily JavaScript; prismor is Python.
- Pricing: MCP Trust Plane is open-source under Apache 2.0, making it available at no cost but provides flexibility to extend commercially through proprietary filter implementations..
- Tags unique to mcp-trust-plane: access-control, data-governance-and-ai, data-security, enterprise-security.
- mcp-trust-plane ships Docker support for self-hosted deployment.
- MCP Trust Plane should be used when you require granular control over tool calls in your MCP-enabled systems, such as enforcing PII redaction or operation blocking.
When NOT to use mcp-trust-plane
- Avoid MCP Trust Plane if your security needs do not require modification of traffic post-response, as it introduces an additional layer of complexity and latency.
- MCP Trust Plane may not be the best choice for environments that strictly enforce language-specific policies since its filters are written in any language and must comply with a strict contract.
Choose prismor if…
- prismor is primarily Python; mcp-trust-plane is JavaScript.
- Pricing: Free with a commercial license for advanced features..
- 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 (abluva-research/mcp-trust-plane) · observed Sep 20, 2026
- GitHub forks (abluva-research/mcp-trust-plane) · observed Sep 20, 2026
- Last push (abluva-research/mcp-trust-plane) · observed Jun 19, 2026
- License file (Apache-2.0) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 15, 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: mcp-trust-plane 100 · prismor 343 (synced Sep 20, 2026).
Common questions
- What is the difference between mcp-trust-plane and prismor?
- mcp-trust-plane: Pluggable security framework for MCP traffic. 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 mcp-trust-plane over prismor?
- Choose mcp-trust-plane over prismor when mcp-trust-plane is primarily JavaScript; prismor is Python; Pricing: MCP Trust Plane is open-source under Apache 2.0, making it available at no cost but provides flexibility to extend commercially through proprietary filter implementations.; Tags unique to mcp-trust-plane: access-control, data-governance-and-ai, data-security, enterprise-security; mcp-trust-plane ships Docker support for self-hosted deployment; MCP Trust Plane should be used when you require granular control over tool calls in your MCP-enabled systems, such as enforcing PII redaction or operation blocking.
- When should I choose prismor over mcp-trust-plane?
- Choose prismor over mcp-trust-plane when prismor is primarily Python; mcp-trust-plane is JavaScript; Pricing: Free with a commercial license for advanced features.; 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 mcp-trust-plane?
- Avoid MCP Trust Plane if your security needs do not require modification of traffic post-response, as it introduces an additional layer of complexity and latency. MCP Trust Plane may not be the best choice for environments that strictly enforce language-specific policies since its filters are written in any language and must comply with a strict contract.
- 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 mcp-trust-plane or prismor more popular on GitHub?
- prismor has more GitHub stars (343 vs 100). Stars measure visibility, not whether either tool fits your constraints.
- Are mcp-trust-plane and prismor open source?
- Yes - both are open-source projects on GitHub (mcp-trust-plane: Apache-2.0, prismor: Apache-2.0).
- Where can I find alternatives to mcp-trust-plane or prismor?
- GraphCanon lists graph-backed alternatives at mcp-trust-plane alternatives and prismor alternatives (mcp-trust-plane 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, mcp-trust-plane or prismor?
- mcp-trust-plane: 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 mcp-trust-plane and prismor?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: mcp-trust-plane trust report; prismor trust report.