AgentAssert: contracts and examples

12 contract templates and 9 Python examples for runtime behavioral checks. Connect your observation fields, adapt the contract and inspect violations.

Choose a task, inspect its requirements and open the linked source before running it. Examples describe declared checks and inputs; they do not certify broader outcomes.

Catalog reviewed 1 October 2026. Source snapshot · Repository

Devtools

Contract template
Code generation
Contract template for code generation; includes declared checks for no secrets in output, no malicious code patterns, license compliance.
```
import agentassert_abc as aa
contract = aa.load("contracts/examples/code-generation.yaml")
```
Requirements
Install agentassert-abc[yaml,math] and download or clone the linked YAML file. Supply the observation fields required by the contract.
Status
Shipped template; adapt before deployment
Scope
Checks evaluate caller-supplied observations. A template does not itself detect PII, hallucinations or medical risk, and does not certify regulatory compliance.
Open source and setup →

Customer Support

Contract template
Customer support
Contract template for customer support; includes declared checks for no pii disclosure, no false commitments, escalation on legal threats.
```
import agentassert_abc as aa
contract = aa.load("contracts/examples/customer-support.yaml")
```
Requirements
Install agentassert-abc[yaml,math] and download or clone the linked YAML file. Supply the observation fields required by the contract.
Status
Shipped template; adapt before deployment
Scope
Checks evaluate caller-supplied observations. A template does not itself detect PII, hallucinations or medical risk, and does not certify regulatory compliance.
Open source and setup →

Ecommerce

Contract template
Ecommerce customer service
Contract template for ecommerce customer service; includes declared checks for no pii disclosure, no unauthorized account changes, no false promises.
```
import agentassert_abc as aa
contract = aa.load("contracts/examples/ecommerce-customer-service.yaml")
```
Requirements
Install agentassert-abc[yaml,math] and download or clone the linked YAML file. Supply the observation fields required by the contract.
Status
Shipped template; adapt before deployment
Scope
Checks evaluate caller-supplied observations. A template does not itself detect PII, hallucinations or medical risk, and does not certify regulatory compliance.
Open source and setup →
Contract template
Ecommerce order management
Contract template for ecommerce order management; includes declared checks for no unauthorized refunds, no price override, order status accuracy.
```
import agentassert_abc as aa
contract = aa.load("contracts/examples/ecommerce-order-management.yaml")
```
Requirements
Install agentassert-abc[yaml,math] and download or clone the linked YAML file. Supply the observation fields required by the contract.
Status
Shipped template; adapt before deployment
Scope
Checks evaluate caller-supplied observations. A template does not itself detect PII, hallucinations or medical risk, and does not certify regulatory compliance.
Open source and setup →
Contract template
Ecommerce product recommendation
Contract template for ecommerce product recommendation; includes declared checks for no competitor products, no false availability, no unauthorized discounts.
```
import agentassert_abc as aa
contract = aa.load("contracts/examples/ecommerce-product-recommendation.yaml")
```
Requirements
Install agentassert-abc[yaml,math] and download or clone the linked YAML file. Supply the observation fields required by the contract.
Status
Shipped template; adapt before deployment
Scope
Checks evaluate caller-supplied observations. A template does not itself detect PII, hallucinations or medical risk, and does not certify regulatory compliance.
Open source and setup →

Finance

Contract template
Financial advisor
Contract template for financial advisor; includes declared checks for no unauthorized trades, suitability requirement, risk disclosure mandatory.
```
import agentassert_abc as aa
contract = aa.load("contracts/examples/financial-advisor.yaml")
```
Requirements
Install agentassert-abc[yaml,math] and download or clone the linked YAML file. Supply the observation fields required by the contract.
Status
Shipped template; adapt before deployment
Scope
Checks evaluate caller-supplied observations. A template does not itself detect PII, hallucinations or medical risk, and does not certify regulatory compliance.
Open source and setup →

Healthcare

Contract template
Healthcare triage
Contract template for healthcare triage; includes declared checks for no diagnosis, emergency detection mandatory, no medication dosage advice.
```
import agentassert_abc as aa
contract = aa.load("contracts/examples/healthcare-triage.yaml")
```
Requirements
Install agentassert-abc[yaml,math] and download or clone the linked YAML file. Supply the observation fields required by the contract.
Status
Shipped template; adapt before deployment
Scope
Checks evaluate caller-supplied observations. A template does not itself detect PII, hallucinations or medical risk, and does not certify regulatory compliance.
Open source and setup →

Mcp

Contract template
Mcp tool server
Contract template for mcp tool server; includes declared checks for tool schema compliance, no unauthorized resource access, input validation required.
```
import agentassert_abc as aa
contract = aa.load("contracts/examples/mcp-tool-server.yaml")
```
Requirements
Install agentassert-abc[yaml,math] and download or clone the linked YAML file. Supply the observation fields required by the contract.
Status
Shipped template; adapt before deployment
Scope
Checks evaluate caller-supplied observations. A template does not itself detect PII, hallucinations or medical risk, and does not certify regulatory compliance.
Open source and setup →

Rag

Contract template
Rag agent
Contract template for rag agent; includes declared checks for no hallucination beyond context, source citation required, chunk relevance threshold.
```
import agentassert_abc as aa
contract = aa.load("contracts/examples/rag-agent.yaml")
```
Requirements
Install agentassert-abc[yaml,math] and download or clone the linked YAML file. Supply the observation fields required by the contract.
Status
Shipped template; adapt before deployment
Scope
Checks evaluate caller-supplied observations. A template does not itself detect PII, hallucinations or medical risk, and does not certify regulatory compliance.
Open source and setup →

Research

Contract template
Research assistant
Contract template for research assistant; includes declared checks for source attribution required, no fabricated citations, no plagiarism.
```
import agentassert_abc as aa
contract = aa.load("contracts/examples/research-assistant.yaml")
```
Requirements
Install agentassert-abc[yaml,math] and download or clone the linked YAML file. Supply the observation fields required by the contract.
Status
Shipped template; adapt before deployment
Scope
Checks evaluate caller-supplied observations. A template does not itself detect PII, hallucinations or medical risk, and does not certify regulatory compliance.
Open source and setup →

Retail

Contract template
Retail shopping assistant
Contract template for retail shopping assistant; includes declared checks for no counterfeit promotion, price accuracy, return policy compliance.
```
import agentassert_abc as aa
contract = aa.load("contracts/examples/retail-shopping-assistant.yaml")
```
Requirements
Install agentassert-abc[yaml,math] and download or clone the linked YAML file. Supply the observation fields required by the contract.
Status
Shipped template; adapt before deployment
Scope
Checks evaluate caller-supplied observations. A template does not itself detect PII, hallucinations or medical risk, and does not certify regulatory compliance.
Open source and setup →

Telecom

Contract template
Telecom customer support
Contract template for telecom customer support; includes declared checks for no unauthorized plan changes, billing accuracy, no pii exposure.
```
import agentassert_abc as aa
contract = aa.load("contracts/examples/telecom-customer-support.yaml")
```
Requirements
Install agentassert-abc[yaml,math] and download or clone the linked YAML file. Supply the observation fields required by the contract.
Status
Shipped template; adapt before deployment
Scope
Checks evaluate caller-supplied observations. A template does not itself detect PII, hallucinations or medical risk, and does not certify regulatory compliance.
Open source and setup →

Python examples

Python example
Synthetic structured-signal proof; no network or agent framework required.
Demonstrates the API usage in the linked Python example.
```
python examples/00_quick_proof.py
```
Requirements
Install agentassert-abc[yaml,math], clone the source, and review this example's imports and adapter setup before running.
Status
Shipped Python example; requirements vary
Scope
An example demonstrates its declared observations and API path. Framework integrations can need additional packages; these listings do not claim every example was executed in this website build.
Open source and setup →
Python example
Example 01: Basic Contract Monitoring.
Demonstrates the API usage in the linked Python example.
```
python examples/01_basic_monitoring.py
```
Requirements
Install agentassert-abc[yaml,math], clone the source, and review this example's imports and adapter setup before running.
Status
Shipped Python example; requirements vary
Scope
An example demonstrates its declared observations and API path. Framework integrations can need additional packages; these listings do not claim every example was executed in this website build.
Open source and setup →
Python example
Example 02: E-Commerce Product Recommendation – Full Session.
Demonstrates the API usage in the linked Python example.
```
python examples/02_ecommerce_session.py
```
Requirements
Install agentassert-abc[yaml,math], clone the source, and review this example's imports and adapter setup before running.
Status
Shipped Python example; requirements vary
Scope
An example demonstrates its declared observations and API path. Framework integrations can need additional packages; these listings do not claim every example was executed in this website build.
Open source and setup →
Python example
Example 03: Drift Detection – JSD-Based Behavioral Drift.
Demonstrates the API usage in the linked Python example.
```
python examples/03_drift_detection.py
```
Requirements
Install agentassert-abc[yaml,math], clone the source, and review this example's imports and adapter setup before running.
Status
Shipped Python example; requirements vary
Scope
An example demonstrates its declared observations and API path. Framework integrations can need additional packages; these listings do not claim every example was executed in this website build.
Open source and setup →
Python example
Example 04: synthetic SPRT demonstration
Explore sequential testing through the synthetic observations in the linked example.
```
python examples/04_sprt_certification.py
```
Requirements
Install agentassert-abc[yaml,math], clone the source, and review this example's imports and adapter setup before running.
Status
Shipped Python example; requirements vary
Scope
This synthetic example demonstrates an API and statistical test. It does not certify a production agent or measure deployed reliability.
Open source and setup →
Python example
Example 05: LangGraph Integration – Contract Middleware.
Demonstrates the API usage in the linked Python example.
```
python examples/05_langgraph_middleware.py
```
Requirements
Install agentassert-abc[yaml,math], clone the source, and review this example's imports and adapter setup before running.
Status
Shipped Python example; requirements vary
Scope
An example demonstrates its declared observations and API path. Framework integrations can need additional packages; these listings do not claim every example was executed in this website build.
Open source and setup →
Python example
Example 06: CrewAI Integration – Task Guardrails.
Demonstrates the API usage in the linked Python example.
```
python examples/06_crewai_integration.py
```
Requirements
Install agentassert-abc[yaml,math], clone the source, and review this example's imports and adapter setup before running.
Status
Shipped Python example; requirements vary
Scope
An example demonstrates its declared observations and API path. Framework integrations can need additional packages; these listings do not claim every example was executed in this website build.
Open source and setup →
Python example
Example 07: Compositional Pipeline – Multi-Agent Safety Bounds.
Demonstrates the API usage in the linked Python example.
```
python examples/07_composition_pipeline.py
```
Requirements
Install agentassert-abc[yaml,math], clone the source, and review this example's imports and adapter setup before running.
Status
Shipped Python example; requirements vary
Scope
An example demonstrates its declared observations and API path. Framework integrations can need additional packages; these listings do not claim every example was executed in this website build.
Open source and setup →
Python example
Example 08: MCP Tool Server Monitoring.
Demonstrates the API usage in the linked Python example.
```
python examples/08_mcp_tool_monitoring.py
```
Requirements
Install agentassert-abc[yaml,math], clone the source, and review this example's imports and adapter setup before running.
Status
Shipped Python example; requirements vary
Scope
An example demonstrates its declared observations and API path. Framework integrations can need additional packages; these listings do not claim every example was executed in this website build.
Open source and setup →

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