Comparison
mcp-trust-plane vs fast-llm-security-guardrails
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 fast-llm-security-guardrails if fast-llm-security-guardrails, also known as ZenGuard, is designed for the rapid deployment of security measures into AI agent systems to ensure they operate within defined trust constraints.
Markdown twin · mcp-trust-plane alternatives · fast-llm-security-guardrails alternatives
GraphCanon updated Sep 20, 2026
8views this month
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Trust & integrity
| Signal | mcp-trust-plane | fast-llm-security-guardrails |
|---|---|---|
| Maintenance | Steady (85d since push) As of Sep 13, 2026 · github_public_v1 | Slowing (222d since push) As of Sep 14, 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 14, 2026 · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of Jul 15, 2026 · osv@v1 | Published findings 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
- fast-llm-security-guardrails
- The fastest Trust Layer for AI Agents
Stars
- mcp-trust-plane
- 100
- fast-llm-security-guardrails
- 155
Forks
- mcp-trust-plane
- 26
- fast-llm-security-guardrails
- 21
Open issues
- mcp-trust-plane
- 0
- fast-llm-security-guardrails
- 0
Language
- mcp-trust-plane
- JavaScript
- fast-llm-security-guardrails
- 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.
- fast-llm-security-guardrails
- fast-llm-security-guardrails, also known as ZenGuard, is designed for the rapid deployment of security measures into AI agent systems to ensure they operate within defined trust constraints.
Persona
- mcp-trust-plane
- -
- fast-llm-security-guardrails
- -
Runtime
- mcp-trust-plane
- -
- fast-llm-security-guardrails
- -
License
- mcp-trust-plane
- Apache-2.0
- fast-llm-security-guardrails
- MIT
Last pushed
- mcp-trust-plane
- Jun 19, 2026
- fast-llm-security-guardrails
- Feb 3, 2026
Categories
- mcp-trust-plane
- AI Agents, Evaluation & Observability
- fast-llm-security-guardrails
- AI Agents, Evaluation & Observability
Trust and health
Maintenance
- mcp-trust-plane
- Steady (60%)
- fast-llm-security-guardrails
- Slowing (36%)
Days since push
- mcp-trust-plane
- 85d
- fast-llm-security-guardrails
- 222d
OSV dependency advisories
- mcp-trust-plane
- No lockfile (source not queried)
- fast-llm-security-guardrails
- Published findings
Full report
- mcp-trust-plane
- Trust report
- fast-llm-security-guardrails
- Trust report
Choose mcp-trust-plane if…
- mcp-trust-plane is primarily JavaScript; fast-llm-security-guardrails is Python.
- License: mcp-trust-plane is Apache-2.0, fast-llm-security-guardrails is MIT.
- 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..
- Requirements: Min 1 GB RAM.
- 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 fast-llm-security-guardrails if…
- fast-llm-security-guardrails is primarily Python; mcp-trust-plane is JavaScript.
- License: fast-llm-security-guardrails is MIT, mcp-trust-plane is Apache-2.0.
- Tags unique to fast-llm-security-guardrails: agentic-ai, ai-agent, ai-runtime, cx-agent.
- Fast integration of privacy and security guardrails in environments where real-time evaluation and observability are critical.
When NOT to use fast-llm-security-guardrails
- If your project requires a more customizable solution than what fast-llm-security-guardrails offers in its out-of-the-box configurations.
- For teams that operate without established runtime environments like LangChain or LlamaIndex, as this may necessitate significant adaptation of ZenGuard.
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 (ZenGuard-AI/fast-llm-security-guardrails) · observed Sep 20, 2026
- GitHub forks (ZenGuard-AI/fast-llm-security-guardrails) · observed Sep 20, 2026
- Last push (ZenGuard-AI/fast-llm-security-guardrails) · observed Feb 3, 2026
- License file (MIT) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: mcp-trust-plane 100 · fast-llm-security-guardrails 155 (synced Sep 20, 2026).
Common questions
- What is the difference between mcp-trust-plane and fast-llm-security-guardrails?
- mcp-trust-plane: Pluggable security framework for MCP traffic. fast-llm-security-guardrails: The fastest Trust Layer for AI Agents. See the comparison table for live GitHub stats and shared categories.
- When should I choose mcp-trust-plane over fast-llm-security-guardrails?
- Choose mcp-trust-plane over fast-llm-security-guardrails when mcp-trust-plane is primarily JavaScript; fast-llm-security-guardrails is Python; License: mcp-trust-plane is Apache-2.0, fast-llm-security-guardrails is MIT; 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.; Requirements: Min 1 GB RAM; 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 fast-llm-security-guardrails over mcp-trust-plane?
- Choose fast-llm-security-guardrails over mcp-trust-plane when fast-llm-security-guardrails is primarily Python; mcp-trust-plane is JavaScript; License: fast-llm-security-guardrails is MIT, mcp-trust-plane is Apache-2.0; Tags unique to fast-llm-security-guardrails: agentic-ai, ai-agent, ai-runtime, cx-agent; Fast integration of privacy and security guardrails in environments where real-time evaluation and observability are critical.
- 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 fast-llm-security-guardrails?
- If your project requires a more customizable solution than what fast-llm-security-guardrails offers in its out-of-the-box configurations. For teams that operate without established runtime environments like LangChain or LlamaIndex, as this may necessitate significant adaptation of ZenGuard.
- Is mcp-trust-plane or fast-llm-security-guardrails more popular on GitHub?
- fast-llm-security-guardrails has more GitHub stars (155 vs 100). Stars measure visibility, not whether either tool fits your constraints.
- Are mcp-trust-plane and fast-llm-security-guardrails open source?
- Yes - both are open-source projects on GitHub (mcp-trust-plane: Apache-2.0, fast-llm-security-guardrails: MIT).
- Where can I find alternatives to mcp-trust-plane or fast-llm-security-guardrails?
- GraphCanon lists graph-backed alternatives at mcp-trust-plane alternatives and fast-llm-security-guardrails alternatives (mcp-trust-plane markdown twin, fast-llm-security-guardrails 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 fast-llm-security-guardrails?
- mcp-trust-plane: Steady. fast-llm-security-guardrails: Slowing. 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 fast-llm-security-guardrails?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: mcp-trust-plane trust report; fast-llm-security-guardrails trust report.