Comparison
AgentGuard vs pydantic-ai-shields
Verdict
Pick AgentGuard if agentGuard is a budget-conscious observer for real-time token spending by AI agents and LLMs, integrating with major providers like OpenAI and Anthropic; pick pydantic-ai-shields if pydantic-ai-shields is specialized to enforce safety guardrails for Pydantic AI tools with features like cost tracking, prompt injection detection, PII filtering, secret redaction, tool permissions, and async guardrails.
Markdown twin · AgentGuard alternatives · pydantic-ai-shields alternatives
GraphCanon updated Sep 20, 2026
10views this month
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Trust & integrity
| Signal | AgentGuard | pydantic-ai-shields |
|---|---|---|
| Maintenance | Dormant (407d since push) As of Sep 12, 2026 · github_public_v1 | Very active (2d since push) As of Sep 13, 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 13, 2026 · github_public_v1 |
| OSV dependency advisories | Published findings As of Jul 15, 2026 · osv@v1 | No lockfile (source not queried) 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
- AgentGuard
- Real-time guardrail that monitors token spend and manages LLM/agent loops in real time
- pydantic-ai-shields
- Guardrail capabilities for Pydantic AI
Stars
- AgentGuard
- 173
- pydantic-ai-shields
- 93
Forks
- AgentGuard
- 11
- pydantic-ai-shields
- 11
Open issues
- AgentGuard
- 2
- pydantic-ai-shields
- 3
Language
- AgentGuard
- JavaScript
- pydantic-ai-shields
- Python
Adopt for
- AgentGuard
- AgentGuard is a budget-conscious observer for real-time token spending by AI agents and LLMs, integrating with major providers like OpenAI and Anthropic.
- pydantic-ai-shields
- pydantic-ai-shields is specialized to enforce safety guardrails for Pydantic AI tools with features like cost tracking, prompt injection detection, PII filtering, secret redaction, tool permissions, and async guardrails.
Persona
- AgentGuard
- -
- pydantic-ai-shields
- -
Runtime
- AgentGuard
- -
- pydantic-ai-shields
- -
License
- AgentGuard
- MIT
- pydantic-ai-shields
- MIT
Last pushed
- AgentGuard
- Jul 31, 2025
- pydantic-ai-shields
- Sep 10, 2026
Categories
- AgentGuard
- Evaluation & Observability, Inference & Serving
- pydantic-ai-shields
- Evaluation & Observability
Trust and health
Maintenance
- AgentGuard
- Dormant (18%)
- pydantic-ai-shields
- Very active (96%)
Days since push
- AgentGuard
- 407d
- pydantic-ai-shields
- 2d
Open issues (now)
- AgentGuard
- 2
- pydantic-ai-shields
- 3
Open issues delta
- AgentGuard
- +1 (30d)
- pydantic-ai-shields
- +2 (30d)
Owner type
- AgentGuard
- User
- pydantic-ai-shields
- Organization
OSV dependency advisories
- AgentGuard
- Published findings
- pydantic-ai-shields
- No lockfile (source not queried)
Full report
- AgentGuard
- Trust report
- pydantic-ai-shields
- Trust report
Choose AgentGuard if…
- AgentGuard is primarily JavaScript; pydantic-ai-shields is Python.
- Tags unique to AgentGuard: anthropic, cost-monitoring, observability.
- Also covers Inference & Serving.
- When you need precise control over spend and want live updates on token prices
When NOT to use AgentGuard
- If you prioritize a different language for your project and cannot use JavaScript
- In cases requiring more elaborate fallback mechanisms than what AgentGuard offers
Choose pydantic-ai-shields if…
- pydantic-ai-shields is primarily Python; AgentGuard is JavaScript.
- Tags unique to pydantic-ai-shields: ai-guardrails, ai-safety, input-validation, pydantic.
- When you need type-safe integrations with Pydantic and want built-in capabilities via pydantic-ai's native API
When NOT to use pydantic-ai-shields
- If your project already relies on a different framework that does not integrate well with Pydantic
- When you require detailed content moderation functionalities beyond simple PII filtering and secret redaction
Explore
Sources
Every stat on this page traces to a dated GitHub sync, license file, enrichment field, or trust scan.
- GitHub stars (dipampaul17/AgentGuard) · observed Sep 20, 2026
- GitHub forks (dipampaul17/AgentGuard) · observed Sep 20, 2026
- Last push (dipampaul17/AgentGuard) · observed Jul 31, 2025
- License file (MIT) · observed Sep 20, 2026
- Decision facts (enrichment) · observed Jul 17, 2026
- Trust scan (lockfile / OSV) · observed Jul 15, 2026
- GitHub stars (vstorm-co/pydantic-ai-shields) · observed Sep 20, 2026
- GitHub forks (vstorm-co/pydantic-ai-shields) · observed Sep 20, 2026
- Last push (vstorm-co/pydantic-ai-shields) · observed Sep 10, 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: AgentGuard 173 · pydantic-ai-shields 93 (synced Sep 20, 2026).
Common questions
- What is the difference between AgentGuard and pydantic-ai-shields?
- AgentGuard: Real-time guardrail that monitors token spend and manages LLM/agent loops in real time. pydantic-ai-shields: Guardrail capabilities for Pydantic AI. See the comparison table for live GitHub stats and shared categories.
- When should I choose AgentGuard over pydantic-ai-shields?
- Choose AgentGuard over pydantic-ai-shields when AgentGuard is primarily JavaScript; pydantic-ai-shields is Python; Tags unique to AgentGuard: anthropic, cost-monitoring, observability; Also covers Inference & Serving; When you need precise control over spend and want live updates on token prices.
- When should I choose pydantic-ai-shields over AgentGuard?
- Choose pydantic-ai-shields over AgentGuard when pydantic-ai-shields is primarily Python; AgentGuard is JavaScript; Tags unique to pydantic-ai-shields: ai-guardrails, ai-safety, input-validation, pydantic; When you need type-safe integrations with Pydantic and want built-in capabilities via pydantic-ai's native API.
- When should I avoid AgentGuard?
- If you prioritize a different language for your project and cannot use JavaScript In cases requiring more elaborate fallback mechanisms than what AgentGuard offers
- When should I avoid pydantic-ai-shields?
- If your project already relies on a different framework that does not integrate well with Pydantic When you require detailed content moderation functionalities beyond simple PII filtering and secret redaction
- Is AgentGuard or pydantic-ai-shields more popular on GitHub?
- AgentGuard has more GitHub stars (173 vs 93). Stars measure visibility, not whether either tool fits your constraints.
- Are AgentGuard and pydantic-ai-shields open source?
- Yes - both are open-source projects on GitHub (AgentGuard: MIT, pydantic-ai-shields: MIT).
- Where can I find alternatives to AgentGuard or pydantic-ai-shields?
- GraphCanon lists graph-backed alternatives at AgentGuard alternatives and pydantic-ai-shields alternatives (AgentGuard markdown twin, pydantic-ai-shields 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, AgentGuard or pydantic-ai-shields?
- AgentGuard: Dormant. pydantic-ai-shields: 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 AgentGuard and pydantic-ai-shields?
- GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: AgentGuard trust report; pydantic-ai-shields trust report.