{"id":"rjkaes-trueline-mcp","name":"trueline-mcp","homepage":null,"repo_url":"https://github.com/rjkaes/trueline-mcp","category":"devtools","subcategories":[],"tags":["mcp","agentic-coding","developer-tools","code-editing","hash-verification","tree-sitter","ast","token-optimization"],"what_it_does":"trueline-mcp is an MCP plugin for AI coding agents that performs hash-verified, targeted file reads and edits. It reduces token usage by using AST-based outlines and range reads/search, and prevents silent corruption by requiring content hashes and rejecting edits when the target content or line ranges don't match what was read.","use_cases":["Agent-assisted code modifications with reduced context/token usage","Verified automated refactors using AST outlines and semantic change summaries","Safe multi-file editing sessions with atomic batched edits","Guardrails against hallucinated edits via checksum-based verification"],"not_for":["Use cases that require an HTTP/REST API service for remote invocation","Environments where agents cannot install or run an MCP plugin","Workflows needing server-side hosting of the tool (this appears to be a client/agent-side plugin)"],"best_when":"When an AI coding agent must make accurate edits across larger files or multiple files, where minimizing token spend and avoiding edit corruption are critical.","avoid_when":"When only small, non-critical edits are needed and the overhead of MCP round trips/verification is undesirable, or when your environment cannot run MCP tooling.","alternatives":["MCP-based file editing tools without hash verification","Tree-sitter/AST assisted refactor tools run locally without agent integration","VCS-based edit workflows (apply patches/PRs) with external patch validation"],"af_score":65.9,"security_score":40.8,"reliability_score":45.0,"package_type":"mcp_server","discovery_source":["github"],"priority":"high","status":"evaluated","version_evaluated":null,"last_evaluated":"2026-03-30T15:41:11.352959+00:00","interface":{"has_rest_api":false,"has_graphql":false,"has_grpc":false,"has_mcp_server":true,"mcp_server_url":null,"has_sdk":true,"sdk_languages":["TypeScript","JavaScript"],"openapi_spec_url":null,"webhooks":false},"auth":{"methods":[],"oauth":false,"scopes":false,"notes":"No authentication mechanism is described for the MCP plugin itself. It likely relies on the host agent/platform’s connection and local filesystem access patterns rather than an external auth layer."},"pricing":{"model":null,"free_tier_exists":false,"free_tier_limits":null,"paid_tiers":[],"requires_credit_card":false,"estimated_workload_costs":null,"notes":"No pricing information present in the provided content; appears to be open-source tooling."},"requirements":{"requires_signup":false,"requires_credit_card":false,"domain_verification":false,"data_residency":[],"compliance":[],"min_contract":null},"agent_readiness":{"af_score":65.9,"security_score":40.8,"reliability_score":45.0,"mcp_server_quality":75.0,"documentation_accuracy":70.0,"error_message_quality":null,"error_message_notes":"Likely returns structured failures when hashes/ranges don't match, but specific message formats, codes, and retryability guidance are not shown.","auth_complexity":95.0,"rate_limit_clarity":5.0,"tls_enforcement":40.0,"auth_strength":20.0,"scope_granularity":30.0,"dependency_hygiene":65.0,"secret_handling":60.0,"security_notes":"Strong safety design at the edit layer: hash verification and rejection when content/line targets don’t match, plus concurrent-change detection. Authentication/scoping details are not described (likely local/tooling context). TLS and secret-handling specifics are not evidenced in the provided content. Dependencies include tree-sitter/web-tree-sitter/zod; no CVE status or pinning/lockfile details provided.","uptime_documented":0.0,"version_stability":60.0,"breaking_changes_history":50.0,"error_recovery":70.0,"idempotency_support":"true","idempotency_notes":"Hash-verified edits and rejection on mismatch make repeat attempts safer; exact idempotency semantics for writes are not explicitly documented, but atomic batched application and verification strongly reduce unintended duplicate mutations.","pagination_style":"none","retry_guidance_documented":false,"known_agent_gotchas":["Agents must follow the plugin’s hash-verified edit workflow (echoing old text is blocked when hooks are available).","Edits may be rejected if the file changed between read/search and edit (concurrent edits or build steps).","Without platform hooks/instructions-only setups, compliance is lower (~60% claimed), increasing the chance of tool misuse and subsequent failures."]}}