{"id":51529644,"url":"https://github.com/skar-software/open-contract-spec","last_synced_at":"2026-07-09T01:30:40.982Z","repository":{"id":368340491,"uuid":"1272881265","full_name":"skar-software/open-contract-spec","owner":"skar-software","description":"Executable contracts for APIs, MCPs, workflows, and AI agents. Generate docs, tests, workflows, observability, and agent tools from a single contract. Cursor MCP sync. Supercontracts from apilabs.ai ","archived":false,"fork":false,"pushed_at":"2026-07-05T16:07:26.000Z","size":25,"stargazers_count":4,"open_issues_count":0,"forks_count":0,"subscribers_count":0,"default_branch":"main","last_synced_at":"2026-07-05T17:14:16.832Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"https://supercontracts.dev","language":null,"has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"apache-2.0","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/skar-software.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null}},"created_at":"2026-06-18T02:44:01.000Z","updated_at":"2026-07-05T16:07:29.000Z","dependencies_parsed_at":null,"dependency_job_id":null,"html_url":"https://github.com/skar-software/open-contract-spec","commit_stats":null,"previous_names":["skar-software/supercontracts","skar-software/opencontractspec"],"tags_count":null,"template":false,"template_full_name":null,"purl":"pkg:github/skar-software/open-contract-spec","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/skar-software%2Fopen-contract-spec","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/skar-software%2Fopen-contract-spec/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/skar-software%2Fopen-contract-spec/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/skar-software%2Fopen-contract-spec/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/skar-software","download_url":"https://codeload.github.com/skar-software/open-contract-spec/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/skar-software%2Fopen-contract-spec/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":35283905,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-05-26T15:22:16.424Z","status":"online","status_checked_at":"2026-07-08T02:00:06.796Z","response_time":61,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2026-07-09T01:30:40.373Z","updated_at":"2026-07-09T01:30:40.973Z","avatar_url":"https://github.com/skar-software.png","language":null,"funding_links":[],"categories":[],"sub_categories":[],"readme":"# Open Contract Spec\n\n**An open executable contract format for APIs, MCP tools, AI agents, workflows, approvals, tests, and guardrails.**\n\nOpen Contract Spec defines how software systems should be called, tested, secured, approved, and executed — in a format humans, tools, and AI agents can understand.\n\nTraditional API specs describe endpoints.\n\n**Open Contract Spec describes execution, policy, and safety.**\n\n---\n\n## Why\n\nAPI operations are fragmented.\n\n* **OpenAPI** documents endpoints.\n* **Postman\u003csup\u003eTM\u003c/sup\u003e** tests requests.\n* **CI** validates changes.\n* **Workflow tools** automate actions.\n* **Security tools** enforce policies.\n* **Jira\u003csup\u003eTM\u003c/sup\u003e, Slack\u003csup\u003eTM\u003c/sup\u003e, and email** handle approvals.\n* **Logs** capture audits.\n\nThe result is drift, duplicated work, weak governance, and unclear ownership.\n\nThat was inefficient for developers.\nWith AI agents and MCP tools executing real actions, it becomes a security risk.\n\nAgents can touch money, data, code, infrastructure, and customer operations. Without guardrails, they can trigger unauthorized access, destructive changes, privilege misuse, prompt-injection exploits, or unapproved production actions.\n\n**Open Contract Spec\u003csup\u003eTM\u003c/sup\u003e brings docs, tests, workflows, approvals, guardrails, and audit trails into one executable contract.**\n\n\n---\n\n## What It Covers\n\n* APIs and MCP tools\n* Auth and environments\n* Workflows and tests\n* Approvals and guardrails\n* AI-agent permissions\n* Runtime evidence\n\n---\n\n## Use Cases \u0026 Code Recipes\n\n### 1. API Workflow Testing\n\nDefine API behavior and expected results in the same contract.\n\n```yaml\ncontract:\n  name: user-api-test\n  version: 0.1.0\n\naction:\n  name: get_user\n  method: GET\n  path: /users/{user_id}\n\ntest:\n  name: get_user_returns_200\n  input:\n    user_id: \"123\"\n  expect:\n    status: 200\n    response:\n      id: \"123\"\n```\n\n---\n\n### 2. Production Action Approval\n\nRequire human approval before high-risk production actions.\n\n```yaml\ncontract:\n  name: stripe-refund\n  version: 0.1.0\n\naction:\n  name: refund_order\n  method: POST\n  path: /v1/refunds\n\nguardrails:\n  - rule: amount \u003c= 100\n    action: allow\n\n  - rule: amount \u003e 100\n    action: require_approval\n    approver: finance\n\nevidence:\n  retain:\n    - request\n    - response\n    - approval_id\n    - actor\n    - timestamp\n```\n\n---\n\n### 3. MCP Tool Safety\n\nControl what MCP tools can and cannot do.\n\n```yaml\ncontract:\n  name: github-mcp-guardrails\n  version: 0.1.0\n\nmcp:\n  server: github\n\ntools:\n  create_pull_request:\n    allowed: true\n\n  push_to_main:\n    allowed: false\n\n  merge_pull_request:\n    requires_approval: true\n    approver: engineering-lead\n```\n\n---\n\n### 4. AI Agent Guardrails\n\nGive agents clear permissions before they touch real systems.\n\n```yaml\ncontract:\n  name: support-agent-policy\n  version: 0.1.0\n\nagent:\n  name: support_agent\n\npermissions:\n  allow:\n    - read_orders\n    - draft_refund\n    - request_approval\n\n  deny:\n    - delete_customer\n    - issue_refund_without_policy\n    - send_sensitive_email_without_approval\n```\n\n---\n\n### 5. Workflow Execution\n\nDefine multi-step workflows with dependencies.\n\n```yaml\ncontract:\n  name: refund-workflow\n  version: 0.1.0\n\nworkflow:\n  name: customer_refund_flow\n\n  steps:\n    - id: lookup_order\n      action: orders.get\n\n    - id: check_policy\n      action: policy.evaluate\n      depends_on:\n        - lookup_order\n\n    - id: request_approval\n      action: approvals.create\n      when: refund.amount \u003e 100\n      depends_on:\n        - check_policy\n\n    - id: issue_refund\n      action: stripe.refund\n      depends_on:\n        - check_policy\n        - request_approval\n```\n\n---\n\n### 6. Runtime Evidence\n\nCapture what happened during execution.\n\n```yaml\ncontract:\n  name: evidence-capture\n  version: 0.1.0\n\nevidence:\n  retain:\n    - actor\n    - action\n    - input\n    - policy_result\n    - approval_id\n    - request\n    - response\n    - timestamp\n    - trace_id\n```\n\n---\n\n## Implementation\n\nOpen Contract Spec is being implemented in **SuperContracts from [apilabs.ai](https://apilabs.ai)**.\n\nSuperContracts turns open contracts into executable API, MCP, and AI-agent workflows with runtime guardrails, approvals, testing, and evidence capture. Further, SuperContracts is deeply integrated via MCP in AI IDE tools like Cursor.\n\n---\n\n## Status\n\nOpen Contract Spec is in early public development.\n\nThe goal is to create a neutral, open format for safe API, MCP, and AI-agent execution.\n\n---\n\n## Website\nDeveloper website with code recipes, playground and demos \n[supercontracts.dev](https://supercontracts.dev)\n\n---\n\n## License\n\nApache-2.0\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fskar-software%2Fopen-contract-spec","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fskar-software%2Fopen-contract-spec","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fskar-software%2Fopen-contract-spec/lists"}