{"adoption": {"forks": 114, "observed_at": "2026-08-28T04:03:56.927422+00:00", "stars": 1196}, "canonical_url": "https://ross.abutalabs.com/products/agent-file", "card": {"archived": false, "artifact_type": "library", "description": "Agent File (.af): An open file format for serializing stateful AI agents with persistent memory and behavior. Share, checkpoint, and version control agents across compatible frameworks.", "domain": ["artificial-intelligence", "large-language-models", "developer-tools"], "enriched": true, "function": ["serialization", "agent-framework", "sdk"], "health_score": 64, "homepage": "https://agentfile-directory.vercel.app", "language": "TypeScript", "license": "Apache-2.0", "license_family": "permissive", "maturity": "active", "member_repos": ["letta-ai/agent-file"], "name": "letta-ai/agent-file", "platform": ["python", "cross-platform"], "pushed_at": "2026-03-24T17:18:32+00:00", "repo": "letta-ai/agent-file", "stars": 1196, "tags": ["agent-file-format", "stateful-agents", "agent-portability", "agent-checkpointing", "open-standard", "letta", "ai-agents", "nodejs", "typescript"], "topics": [], "urls": [], "use_cases": ["share AI agents with persistent memory as files", "checkpoint and version control agent state", "transfer agents between compatible frameworks", "import a prebuilt agent into my Letta server", "distribute agents with personality and memory baked in"], "what_it_is": "Agent File (.af) is an open file format for serializing stateful AI agents, packaging system prompts, persistent memory, tool configurations, and LLM settings into a portable file. This repository provides the format specification, example agents, and SDKs for importing and deploying .af files to Letta servers.", "when_to_avoid": ["you need a general agent framework rather than a serialization format", "your framework does not support the .af standard"], "when_to_choose": ["you use Letta or a compatible framework and want portable, checkpointable agent state", "you want to share or version-control agents with memory and tool configs as files"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/agent-file", "repo": "letta-ai/agent-file", "role": "main", "score": 52}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:03:56.927422+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T06:22:03.001344+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9672b5d5cf1f664eaae8fd6540f8010d1d2d59755225cdd37fe5e62925229bc6", "fetched_at": "2026-08-28T04:03:56.927422+00:00", "kind": "readme", "missing": false, "url": "https://github.com/letta-ai/agent-file"}, {"content_hash": "a10f8ecd8fd940976c9c55a8bda3d3d119fb68c513280153c38c6a0a72045f79", "fetched_at": "2026-08-29T12:28:54.686245+00:00", "kind": "homepage", "missing": false, "url": "https://agentfile-directory.vercel.app"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:03:56.927422+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T06:22:03.001344+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9672b5d5cf1f664eaae8fd6540f8010d1d2d59755225cdd37fe5e62925229bc6", "fetched_at": "2026-08-28T04:03:56.927422+00:00", "kind": "readme", "missing": false, "url": "https://github.com/letta-ai/agent-file"}, {"content_hash": "a10f8ecd8fd940976c9c55a8bda3d3d119fb68c513280153c38c6a0a72045f79", "fetched_at": "2026-08-29T12:28:54.686245+00:00", "kind": "homepage", "missing": false, "url": "https://agentfile-directory.vercel.app"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T06:22:03.001344+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9672b5d5cf1f664eaae8fd6540f8010d1d2d59755225cdd37fe5e62925229bc6", "fetched_at": "2026-08-28T04:03:56.927422+00:00", "kind": "readme", "missing": false, "url": "https://github.com/letta-ai/agent-file"}, {"content_hash": "a10f8ecd8fd940976c9c55a8bda3d3d119fb68c513280153c38c6a0a72045f79", "fetched_at": "2026-08-29T12:28:54.686245+00:00", "kind": "homepage", "missing": false, "url": "https://agentfile-directory.vercel.app"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:03:56.927422+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:03:56.927422+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:03:56.927422+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T06:22:03.001344+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9672b5d5cf1f664eaae8fd6540f8010d1d2d59755225cdd37fe5e62925229bc6", "fetched_at": "2026-08-28T04:03:56.927422+00:00", "kind": "readme", "missing": false, "url": "https://github.com/letta-ai/agent-file"}, {"content_hash": "a10f8ecd8fd940976c9c55a8bda3d3d119fb68c513280153c38c6a0a72045f79", "fetched_at": "2026-08-29T12:28:54.686245+00:00", "kind": "homepage", "missing": false, "url": "https://agentfile-directory.vercel.app"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:03:56.927422+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:03:56.927422+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T06:22:03.001344+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9672b5d5cf1f664eaae8fd6540f8010d1d2d59755225cdd37fe5e62925229bc6", "fetched_at": "2026-08-28T04:03:56.927422+00:00", "kind": "readme", "missing": false, "url": "https://github.com/letta-ai/agent-file"}, {"content_hash": "a10f8ecd8fd940976c9c55a8bda3d3d119fb68c513280153c38c6a0a72045f79", "fetched_at": "2026-08-29T12:28:54.686245+00:00", "kind": "homepage", "missing": false, "url": "https://agentfile-directory.vercel.app"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:03:56.927422+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:03:56.927422+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:03:56.927422+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T06:22:03.001344+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9672b5d5cf1f664eaae8fd6540f8010d1d2d59755225cdd37fe5e62925229bc6", "fetched_at": "2026-08-28T04:03:56.927422+00:00", "kind": "readme", "missing": false, "url": "https://github.com/letta-ai/agent-file"}, {"content_hash": "a10f8ecd8fd940976c9c55a8bda3d3d119fb68c513280153c38c6a0a72045f79", "fetched_at": "2026-08-29T12:28:54.686245+00:00", "kind": "homepage", "missing": false, "url": "https://agentfile-directory.vercel.app"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:03:56.927422+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:03:56.927422+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T06:22:03.001344+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9672b5d5cf1f664eaae8fd6540f8010d1d2d59755225cdd37fe5e62925229bc6", "fetched_at": "2026-08-28T04:03:56.927422+00:00", "kind": "readme", "missing": false, "url": "https://github.com/letta-ai/agent-file"}, {"content_hash": "a10f8ecd8fd940976c9c55a8bda3d3d119fb68c513280153c38c6a0a72045f79", "fetched_at": "2026-08-29T12:28:54.686245+00:00", "kind": "homepage", "missing": false, "url": "https://agentfile-directory.vercel.app"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T06:22:03.001344+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9672b5d5cf1f664eaae8fd6540f8010d1d2d59755225cdd37fe5e62925229bc6", "fetched_at": "2026-08-28T04:03:56.927422+00:00", "kind": "readme", "missing": false, "url": "https://github.com/letta-ai/agent-file"}, {"content_hash": "a10f8ecd8fd940976c9c55a8bda3d3d119fb68c513280153c38c6a0a72045f79", "fetched_at": "2026-08-29T12:28:54.686245+00:00", "kind": "homepage", "missing": false, "url": "https://agentfile-directory.vercel.app"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T06:22:03.001344+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9672b5d5cf1f664eaae8fd6540f8010d1d2d59755225cdd37fe5e62925229bc6", "fetched_at": "2026-08-28T04:03:56.927422+00:00", "kind": "readme", "missing": false, "url": "https://github.com/letta-ai/agent-file"}, {"content_hash": "a10f8ecd8fd940976c9c55a8bda3d3d119fb68c513280153c38c6a0a72045f79", "fetched_at": "2026-08-29T12:28:54.686245+00:00", "kind": "homepage", "missing": false, "url": "https://agentfile-directory.vercel.app"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T06:22:03.001344+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "9672b5d5cf1f664eaae8fd6540f8010d1d2d59755225cdd37fe5e62925229bc6", "fetched_at": "2026-08-28T04:03:56.927422+00:00", "kind": "readme", "missing": false, "url": "https://github.com/letta-ai/agent-file"}, {"content_hash": "a10f8ecd8fd940976c9c55a8bda3d3d119fb68c513280153c38c6a0a72045f79", "fetched_at": "2026-08-29T12:28:54.686245+00:00", "kind": "homepage", "missing": false, "url": "https://agentfile-directory.vercel.app"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 73, "longevity": 37, "rhythm": 35}, "computed_at": "2026-09-03T02:20:16.233290+00:00", "flags": ["no_releases"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 528, "days_push": 162, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 52, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}