Comparison
pi-mcp-adapter vs fast-llm-security-guardrails
Verdict
Pick pi-mcp-adapter if pi-mcp-adapter is a TypeScript-based MCP adapter tailored for efficient token usage with Pi, an AI coding assistant; 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 · pi-mcp-adapter alternatives · fast-llm-security-guardrails alternatives
GraphCanon updated 2w
vs
Trust & integrity
| Signal | pi-mcp-adapter | fast-llm-security-guardrails |
|---|---|---|
| Maintenance | Very active (1d since push) As of 4w · github_public_v1 | Slowing (187d since push) As of 2w · github_public_v1 |
| Provenance | Not a fork · Personal account As of 4w · github_public_v1 | Not a fork · Organization account As of 2w · github_public_v1 |
| OSV dependency advisories | No lockfile (source not queried) As of 1mo · osv@v1 | Published findings As of 1mo · 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
- pi-mcp-adapter
- Token-efficient MCP adapter for Pi coding agent
- fast-llm-security-guardrails
- The fastest Trust Layer for AI Agents
Stars
- pi-mcp-adapter
- 1.1k
- fast-llm-security-guardrails
- 154
Forks
- pi-mcp-adapter
- 221
- fast-llm-security-guardrails
- 21
Open issues
- pi-mcp-adapter
- 4
- fast-llm-security-guardrails
- 0
Language
- pi-mcp-adapter
- TypeScript
- fast-llm-security-guardrails
- Python
Adopt for
- pi-mcp-adapter
- pi-mcp-adapter is a TypeScript-based MCP adapter tailored for efficient token usage with Pi, an AI coding assistant.
- 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
- pi-mcp-adapter
- -
- fast-llm-security-guardrails
- -
Runtime
- pi-mcp-adapter
- -
- fast-llm-security-guardrails
- -
License
- pi-mcp-adapter
- Licensed under MIT
- fast-llm-security-guardrails
- MIT
Last pushed
- pi-mcp-adapter
- Jul 25, 2026
- fast-llm-security-guardrails
- Feb 3, 2026
Categories
- pi-mcp-adapter
- AI Agents
- fast-llm-security-guardrails
- AI Agents, Evaluation & Observability
Trust and health
Maintenance
- pi-mcp-adapter
- Very active (96%)
- fast-llm-security-guardrails
- Slowing (36%)
Days since push
- pi-mcp-adapter
- 1d
- fast-llm-security-guardrails
- 187d
Open issues (now)
- pi-mcp-adapter
- 4
- fast-llm-security-guardrails
- 0
Owner type
- pi-mcp-adapter
- User
- fast-llm-security-guardrails
- Organization
OSV dependency advisories
- pi-mcp-adapter
- No lockfile (source not queried)
- fast-llm-security-guardrails
- Published findings
Full report
- pi-mcp-adapter
- Trust report
- fast-llm-security-guardrails
- Trust report
Choose pi-mcp-adapter if…
- pi-mcp-adapter is primarily TypeScript; fast-llm-security-guardrails is Python.
- Requirements: pi-mcp-adapter operates in a TypeScript environment and requires that the project already supports TypeScript..
- Tags unique to pi-mcp-adapter: ai, claude, coding-agent, extension.
- pi-mcp-adapter ships an MCP server manifest.
- Use when working with Pi, the AI coding assistant, to optimize token efficiency within Model Context Protocol environments.
When NOT to use pi-mcp-adapter
- Avoid if your project does not align with TypeScript or the Model Context Protocol framework as pi-mcp-adapter is specifically tailored for these contexts.
- Do not use when working on projects that do not involve Pi coding assistant, as its functionalities are directly tied to this specific AI tool.
Choose fast-llm-security-guardrails if…
- fast-llm-security-guardrails is primarily Python; pi-mcp-adapter is TypeScript.
- Tags unique to fast-llm-security-guardrails: agentic-ai, ai-agent, ai-agents, ai-runtime.
- Also covers Evaluation & Observability.
- 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 (nicobailon/pi-mcp-adapter) · observed Jul 27, 2026
- GitHub forks (nicobailon/pi-mcp-adapter) · observed Jul 27, 2026
- Last push (nicobailon/pi-mcp-adapter) · observed Jul 25, 2026
- License file (MIT) · observed Jul 27, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 11, 2026
- GitHub stars (ZenGuard-AI/fast-llm-security-guardrails) · observed Aug 10, 2026
- GitHub forks (ZenGuard-AI/fast-llm-security-guardrails) · observed Aug 10, 2026
- Last push (ZenGuard-AI/fast-llm-security-guardrails) · observed Feb 3, 2026
- License file (MIT) · observed Aug 10, 2026
- Decision facts (enrichment) · observed Jul 16, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
GitHub stars on cards: pi-mcp-adapter 1.1k · fast-llm-security-guardrails 154 (synced Jul 27, 2026).
Common questions
- What is the difference between pi-mcp-adapter and fast-llm-security-guardrails?
- pi-mcp-adapter: Token-efficient MCP adapter for Pi coding agent. 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 pi-mcp-adapter over fast-llm-security-guardrails?
- Choose pi-mcp-adapter over fast-llm-security-guardrails when pi-mcp-adapter is primarily TypeScript; fast-llm-security-guardrails is Python; Requirements: pi-mcp-adapter operates in a TypeScript environment and requires that the project already supports TypeScript.; Tags unique to pi-mcp-adapter: ai, claude, coding-agent, extension; pi-mcp-adapter ships an MCP server manifest; Use when working with Pi, the AI coding assistant, to optimize token efficiency within Model Context Protocol environments.
- When should I choose fast-llm-security-guardrails over pi-mcp-adapter?
- Choose fast-llm-security-guardrails over pi-mcp-adapter when fast-llm-security-guardrails is primarily Python; pi-mcp-adapter is TypeScript; Tags unique to fast-llm-security-guardrails: agentic-ai, ai-agent, ai-agents, ai-runtime; Also covers Evaluation & Observability; Fast integration of privacy and security guardrails in environments where real-time evaluation and observability are critical.
- When should I avoid pi-mcp-adapter?
- Avoid if your project does not align with TypeScript or the Model Context Protocol framework as pi-mcp-adapter is specifically tailored for these contexts. Do not use when working on projects that do not involve Pi coding assistant, as its functionalities are directly tied to this specific AI tool.
- 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 pi-mcp-adapter or fast-llm-security-guardrails more popular on GitHub?
- pi-mcp-adapter has more GitHub stars (1,072 vs 154). Stars measure visibility, not whether either tool fits your constraints.
- Are pi-mcp-adapter and fast-llm-security-guardrails open source?
- Yes - both are open-source projects on GitHub (pi-mcp-adapter: MIT, fast-llm-security-guardrails: MIT).
- Where can I find alternatives to pi-mcp-adapter or fast-llm-security-guardrails?
- GraphCanon lists graph-backed alternatives at pi-mcp-adapter alternatives and fast-llm-security-guardrails alternatives (pi-mcp-adapter 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, pi-mcp-adapter or fast-llm-security-guardrails?
- pi-mcp-adapter: Very active. 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 pi-mcp-adapter and fast-llm-security-guardrails?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: pi-mcp-adapter trust report; fast-llm-security-guardrails trust report.